SRM NumberNIST SRM NameUnit of IssueCertificate Date
 1dLimestone, Argillaceous70 g2/18/2005
 4lCast Iron150 g6/1/1990
 5mCast Iron150 g1/3/1997
 6gCast Iron150 g11/9/1970
 8kBessemer Steel (Simulated) 0.1 % Carbon (chip form)150 g7/19/2017
 12hBasic Open-Hearth Steel, 0.4% Carbon150 g3/7/1966
 13g0.6% Carbon Steel150 g4/30/1974
 14gCarbon Steel (AISI 1078)150 g3/6/1990
 16fBasic Open-Hearth Steel, 1% Carbon (chip form)150 g9/2/2017
 17fSucrose Optical Rotation60 g3/29/2013
 19hBasic Electric Steel, 0.2% Carbon150 g9/10/1987
 20gAISI 1045 Steel150 g10/23/1970
 25dManganese Ore60 g5/26/2010
 30fCr-V Steel (SAE 6150)150 g3/31/1992
 32eCarbon Low Alloy Steel (SAE 3140) (chip form)150 g10/20/2016
 33eNickel Steel150 g3/15/1995
 39jBenzoic Acid (Calorimetric Standard)30 g10/18/2007
 45dCopper Secondary Freezing Point450 g4/12/1990
 46hPortland Cement Fineness Standard10 vials x 5 g8/30/2016
 49eLead Secondary Freezing Point Standard600 g4/5/1990
 50cTungsten-Chromium-Vanadium Steel150 g2/17/2011
 53eLead-Base Bearing Metal (84Pb-10Sb-6Sn)150 g1/20/1970
 54dBearing Metal (Tin Base)75 g9/20/1957
 57bSilicon Metal40 g4/28/2015
 58aFerrosilicon (73% Si Regular Grade)75 g8/6/2009
 59aFerrosilicon50 g11/6/1969
 64cFerrochromium, High Carbon100 g2/20/1992
 68cHigh-Carbon Ferromanganese100 g2/20/1992
 69bBauxite (Arkansas)60 g1/2/1991
 70bPotassium Feldspar1 bottle x 40g12/31/2013
 72gLow Alloy Steel (AISI 4130)150 g6/4/1981
 76aBurnt Refractory (Al203-40%)75 g3/20/1992
 77aBurnt Refractory (Al203-60%)75 g3/20/1992
 78aBurnt Refractory (Al203-70%)75 g3/20/1992
 79aFluorspar120 g1/8/1980
 80aSoda-Lime Glass (Beads)45 g12/15/2015
 81aGlass Sand75 g1/1/1978
 82bNickel-Chromium Cast Iron150 g4/12/1966
 84lPotassium Hydrogen Phthalate60 g2/1/2010
 87aSilicon-Aluminum Alloy75 g1/24/1991
 88bDolomitic Limestone75 g5/20/1994
 89Glass, Lead Barium45 g12/20/1990
 90Ferrophosphorus75 g3/20/2010
 92Soda-Lime Glass, Low Boron (Powder)45 g12/15/2015
 93aBorosilicate Glass1 wafer9/10/1991
 94cZinc-Base Alloy (Die Casting)150 g12/16/1994
 97bFlint Clay60 g4/21/1988
 98bPlastic Clay60 g4/21/1988
 99bSoda Feldspar40 g10/7/2011
 100bManganese Steel 150 g8/18/1959
 101g18 Cr-10 Ni Steel (AISI 304L) (powder form)100 g8/13/1986
 107cCast Iron (Ni-Cr-Mo)150 g5/16/1983
 114qPortland Cement Fineness Standard20 vials8/30/2016
 115aCopper-Nickel-Chromium Cast Iron 150 g4/19/1962
 122iCast Iron150 g9/30/1992
 123cStainless Steel, Cr-Ni-Nb (AISI 348)150 g10/1/1981
 125bLA Steel, High Silicon100 g4/14/2011
 126cHigh-Nickel Steel (Nominal Mass Fraction 36 % Ni) (chip form)150 g6/22/2017
 127bSolder (40Sn — 60Pb)150 g8/24/1990
 129cLA Steel, High Sulfur (SAE 112)150 g8/7/1973
 131hRefined Cast Iron100 g1/22/2016
 132bTool Steel (AISI M2)150 g8/1/1995
 133bChromium-Molybdenum Steel150 g9/22/2014
 134aMolybdenum-Tungsten-Chromium-Vanadium Steel150 g5/6/1957
 136fPotassium Dichromate (Oxidimetric Standard)60 g4/10/2008
 139bChromium-Nickel-Molybdenum Steel150 g6/22/1993
 141eAcetanilide2 g5/8/2017
 143dCystine (L-Cystine)2 g2/24/2017
 148Nicotinic Acid2 g12/12/1994
 152aBasic Open-Hearth Steel 0.5% Carbon (Tin Bearing)150 g10/11/1965
 155Chromium-Tungsten Steel150 g10/1/1946
 160bStainless Steel (Cr 18-Ni 12-Mo 2) (AISI 316)150 g11/9/2012
 163Chromium Steel100 g1/11/1968
 165aGlass Sand 75 g11/9/1992
 166cLow-Carbon Stainless Steel (AISI 316L) (chip form)100 g7/19/2017
 173cTitanium Alloy UNS R56400 (chip form)50 g11/16/2016
 1780.4C Basic Oxygen Furnace Steel150 g7/14/1969
 179LA Steel, High Silicon150 g5/3/1994
 180Fluorspar, High Grade120 g8/17/1986
 182Lithium Ore (Petalite)45 g10/1/1981
 183Lithium Ore (Lepidolite)45 g10/1/1981
 185iPotassium Hydrogen Phthalate, pH Standard60 g8/8/2013
 187fSodium Tetraborate Decahydrate (Borax), pH Standard30 g8/29/2017
 188Potassium Hydrogen Tartrate (pH Standard)60 g5/18/1987
 193Potassium Nitrate90 g11/5/1991
 194aAmmonium Dihydrogen Phosphate90 g3/12/2014
 195Ferrosilicon (75% Si-High-Purity Grade)75 g10/22/2009
 196Ferrochromium, (Low-Carbon)100 g11/9/1970
 198Silica Brick45 g1/6/1960
 199Silica Brick45 g1/28/1991
 200bPotassium Dihydrogen Phosphate (Fertilizer Standard)90 g1/26/2017
 211dToluene Liquid Densit- Extended Range4 x 5 mL8/12/2009
 277Tungsten Concentrate1 bottle x 100 g1/18/2013
 278Obsidian Rock35 g3/27/1992
 291Cr-Mo Steel (ASTM A-213)150 g10/1/1975
 293Cr-Ni-Mo (AISI 8620)150 g3/27/1975
 330aCopper Ore Mill Heads1 bottle x 90 g11/9/2010
 331aCopper Ore Mill Tails40 g10/20/2017
 333aMolybdenum Sulfide Concentrate1 pouch x 50 g2/16/2018
 334Gray Cast Iron 150 g3/30/1982
 33917 Chromium-9 Nickel-0.2 Selenium Steel150 g7/21/1965
 341Ductile Cast Iron150 g3/26/1962
 342aNodular Cast Iron150 g9/1/1999
 343aStainless Steel (AISI 431)150 g6/10/1994
 34415 Chromium-7 Nickel Steel (Mo Precipitation Hardening)150 g10/2/1963
 345bFe-Cr-Ni Alloy UNS J92180 (chip form)150 g7/13/2016
 346aValve Steel150 g2/20/1992
 349aWaspaloy150 g1/7/1997
 350cBenzoic Acid (Acidimetric Standard)30 g12/1/2015
 351aSodium Carbonate (Acidimetric Standard)50 g2/6/2017
 360bZirconium (Sn-Fe-Cr) Alloy100 g10/20/2014
 361AISI 4340 Steel (chip form)150 g9/22/2016
 363Chromium-Vanadium Steel (Modified)150 g4/3/2012
 368Carbon Steel (AISI 1211) (chip form)150 g7/31/2017
 399Unalloyed Copper – Cu VI 50 g7/21/1993
 400Unalloyed Copper – Cu VII50 g4/10/1986
 423Molybdenum Oxide Concentrate (Powder Form)1 pouch x 60 g1/10/2018
 454Unalloyed Copper XI (chips)35 g4/10/1986
 457Unalloyed Copper IV (solid)rod2/20/2013
 458Beryllium-Copper (17510)50 g9/30/1992
 459Beryllium-Copper (17200)50 g9/30/1992
 460Beryllium-Copper Alloy50 g9/30/1992
 480Tungsten 20 % – Molybdenum Alloy Electron Microprobe Standarddisk11/22/1968
 481Gold-Silver Wires for Microprobe Analysisset (6)2/14/1969
 482Gold-Copper Wires for Microprobe Analysisset (6)8/25/1988
 494Unalloyed Copper I (solid)rod4/10/1986
 495Unalloyed Copper II (solid)rod10/9/1987
 498Unalloyed Copper V (solid)rod5/17/1993
 499Unalloyed Copper VI (solid)rod3/24/1986
 500Unalloyed Copper – Cu VIIrod3/24/1986
 600Bauxite, Australian-Darling Range90 g1/2/1991
 606Trace Elements in Basalt Glasscylinder mounted in epoxy5/4/2018
 607Potassium Feldspar5 g5/21/1973
 610Trace Elements in Glass4 wafers4/6/2012
 611Trace Elements in Glass4 wafers4/6/2012
 612Trace Elements in Glass4 wafers4/6/2012
 613Trace Elements in Glass4 wafers4/6/2012
 614Trace Elements in Glass4 wafers4/6/2012
 616Trace Elements in Glass4 wafers4/6/2012
 617Trace Elements in Glass4 wafers4/6/2012
 620Soda Lime, Flat3 platelets1/13/1982
 622Soda-Lime-Silica Glass2.2 kg3/19/1976
 624Lead-Silica Glass for dc Volume Resistivity200 g10/25/1977
 625Zinc-Base Die-Casting Alloy A (block form)block10/19/2016
 626Zinc-Base Die-Casting Alloy B (block form)block10/19/2016
 627Zinc-Base Die-Casting Alloy C (block form)block10/19/2016
 628Zinc-Base Die-Casting Alloy D (block form)block10/19/2016
 629Zinc-Base Die-Casting Alloy E (block form)block10/19/2016
 630Zinc-Base Die-Casting Alloy F (block form)block10/19/2016
 631Spectrographic Zinc Spelter (Modified)block2/6/1995
 633aPortland Cement4 vials x 5 g10/26/2012
 634aPortland Cement100 g4/28/2015
 635aPortland Cement (Blended with Slag)5 vials x 5 g3/15/2017
 640eLine Position and Line Shape Standard for Powder Diffraction (Silicon Powder)7.5 g10/29/2015
 641Spectroscopic Titanium-Base Standards Titanium Alloy, 8 Mn (A)disk10/15/1981
 642Spectroscopic Titanium-Base Standards Titanium Alloy, 8 Mn (B)disk10/15/1981
 643Spectroscopic Titanium-Base Standards Titanium Alloy, 8 Mn (C)disk10/15/1981
 647Titanium Alloy, Al-Mo-Sn-Zr50 g8/15/1986
 648Titanium-Base Alloy 5Al-2Sn-2Zr-4Cr-4Mo50 g6/15/1987
 649Titanium-Base Alloy (15V-3Al-3Cr-3Sn)50 g7/11/1990
 654bTitanium Alloy, Al-Vdisk6/24/2013
 656Silicon Nitride Powders (Quantitative Analysis Powder Diffraction Standard)2 x 10 g11/15/2017
 659Particle Size Distribution Standard for Sedigraph Calibrationset (5)4/21/1992
 660cLine Position and Line Shape Standard for Powder Diffraction (Lanthanum Hexaboride Powder)6 g10/29/2015
 663Chromium-Vanadium Steel (Modified)5 rods7/30/2015
 665Electrolytic Iron5 rods12/25/1991
 670Rutile Ore90 g1/22/1993
 674bX-Ray Powder Diffraction Intensity Set (Quantitative Powder Diffraction Standard)10.00 g (powder)11/15/2017
 675Line Position, Mica (XRD)7.5 g6/1/1982
 679Brick Clay75 g1/14/1987
 682High-Purity Zincblock1/15/1988
 683Zinc, Metalblock1/15/1988
 688Basalt Rock60 g8/18/1981
 689Ferrochromium Silicon100 g2/24/1982
 690Iron Ore Canada100 g6/19/1992
 691Iron Oxide, Reduced100 g10/10/1991
 692Iron Ore, Labrador100 g1/30/1992
 693Iron Ore (Nimba)100 g7/31/1990
 694Phosphate Rock, Western90 g9/27/1993
 695Trace Elements in Multi-Nutrient Fertilizer70 g12/28/2015
 696Bauxite, Surinam60 g1/1/1991
 697Bauxite, Dominican60 g1/2/1991
 698Bauxite, Jamaican60 g1/2/1991
 699Alumina (Reduction Grade)60 g11/29/2006
 705aPolystyrene (Narrow Molecular Weight Distribution)5 g7/10/1990
 706aPolystyrene (Broad Molecular Mass Distribution)18 g2/9/2016
 709Extra Dense Lead Glassblock6/5/1974
 717aHi Boron Glass Viscositydisk4/3/2018
 720Sapphire Heat Capacity15 g4/13/1982
 723eTris Acidimetric50 g10/26/2011
 728Intermediate-Purity Zincpellet form, 450 g7/31/1996
 731L1Borosilicate Glass – Thermal Expansion5 cm6/30/1993
 731L2Borosilicate Glass – Thermal Expansion10 cm6/30/1993
 731L3Borosilicate Glass – Thermal Expansion15 cm6/30/1993
 741aTin Freezing-Point Standard200 g9/2/1998
 742Aluminum Oxide Pyrometric Standard10 g7/6/1990
 762Magnetic Moment Standard – Nickel Disk6 mm dia2/8/2000
 764aMagnetic Susceptibility Standard – Platinum Cylinder3 mm dia. x 3.42 mm11/13/2006
 781D2Molybdenum – Heat Capacity10 cm4/1/1977
 853aAluminum Alloy 300440 g9/9/2014
 854aAluminum Alloy 518240 g4/4/2006
 855aAluminum Casting Alloy 35630 g1/3/1990
 856aAluminum Casting Alloy 38030 g1/3/1990
 858Aluminum Alloy 601135 g11/22/1999
 861Nickel-based Superalloy PWA 1484 (chip form)50 g10/24/2016
 862High-Temperature Alloy L 605100 g10/18/1991
 864Nickel Alloy UNS N06600 (chip form)100 g7/31/2017
 865Inconel 625150 g5/1/1984
 866Incoloy 800100 g5/5/1984
 867Ni-Fe-Cr Alloy UNS N08825 (chip form)100 g12/11/2015
 868High-Temperature Alloy (Fe-Ni-Co)100 g5/18/1987
 869bColumn Selectivity Test Mixture for Liquid Chromatography (Polycyclic Aromatic Hydrocarbons)5 x 1.1 mL7/27/2016
 870Column Performance Test Mixture of Liquid Chromatography5 x 1.1 mL7/7/2016
 871Phosphor Bronze (CDA 521)100 g8/2/1979
 872Phosphor Bronze (CDA 544)100 g8/2/1979
 874Cupro-Nickel, 10% (CDA 706) “HIGH-PURITY”100 g1/19/1978
 875Cupro-Nickel, 10% (CDA 706) “DOPED”100 g1/19/1978
 880Nickel Silver (CDA 770)100 g6/20/1979
 882Nickel-Copper Alloy (65Ni-31Cu-3Al)100 g8/3/1979
 885Refined Copper (pin form)pin form, 200 g6/7/2018
 886Refractory Gold Ore200 g3/6/1995
 887Cemented Carbide (W-83,Co-10)100 g9/5/1988
 888Cemented Carbide (W-64,Co-25,Ta-5)100 g9/5/1988
 889Cemented Carbide (W-75,Co-9,Ta-5,Ti-4)100 g9/5/1988
 892High-Alloy White Cast Iron (Ni-Hard, Type IV)150 g4/1/1982
 893Stainless Steel (SAE 405)150 g3/9/1992
 895Stainless Steel (SAE 201)150 g12/20/1991
 897Tracealloy A35 g2/5/2014
 899Tracealloy C35 g2/5/2014
 909cFrozen Human Serum3 vials x 2 mL7/7/2017
 911cCholesterol2 g5/11/2016
 912bUrea25 g5/30/2017
 913bUric Acid10 g6/11/2014
 917cD-Glucose (Dextrose)50 g2/10/2016
 918cPotassium Chloride General and Ion Activity Standard (Dried at 110 °C)30 g2/3/2016
 919bSodium Chloride 30 g2/9/2016
 920D-Mannitol50 g2/22/2016
 921Cortisol (Hydrocortisone)1 g3/4/2016
 924aLithium Carbonate 30 g2/9/2016
 927eBovine Serum Albumin (7% solution) (Total Protein Standard)10 ampoules x 2.2 mL2/12/2016
 928Lead Nitrate 30 g2/23/2016
 929aMagnesium Gluconate5 g1/6/2016
 931hLiquid Absorbance Standard for Ultraviolet and Visible Spectrophotometryset (12)3/16/2016
 937Iron Metal 50 g2/10/2016
 951aBoric Acid Isotopic Standard10 g8/29/2011
 953Neutron Density Monitor Wire1 m3/12/1969
 955cToxic Metals in Caprine Blood4 vials x 2 mL1/27/2016
 956dElectrolytes in Frozen Human Serum6 ampoules x 2 mL12/28/2015
 965bGlucose in Frozen Human Serum8 ampoules x 2 mL2/9/2016
 967aCreatinine in Frozen Human Serum4 vials x 1 mL11/24/2015
 968fFat-Soluble Vitamins in Frozen Human Serum2 vials x 1 mL4/27/2018
 972aVitamin D Metabolites in Frozen Human Serum4 vials x 1 mL11/29/2017
 973Boric Acid Acidimetric Standard100 g4/21/2008
 975aIsotopic Standard for Chlorine0.25 g1/24/2001
 977Isotopic Standard for Bromine0.25 g3/24/1965
 978aAssay-Isotopic Standard for Silver0.25 g9/21/1984
 979Chromium Isotopic Standard0.25 g5/3/1966
 980Isotopic Standard for Magnesium0.25 g1/31/1967
 981Common Lead Isotopic Standard1 g wire3/25/1991
 983Radiogenic Lead Isotopic Standard1 g wire12/15/2004
 984Rubidium Chloride0.25 g7/27/1970
 986Isotopic Standard for Nickel0.5 g5/1/1990
 987Strontium Carbonate Isotopic Standard1 g6/19/2007
 994Isotopic Standard for Gallium0.25 g2/3/1986
 998Angiotensin I (Human)0.5 mg1/7/2016
 999cPotassium Chloride Primary Standard (Dried at 500 °C)30 g11/19/2015
 1003cGlass Beads – Particle Size Distribution28 g8/10/2011
 1004bGlass Beads – Particle Size Distribution43 g8/10/2011
 1010aMicrocopy Resolution Test Chartsset (5)10/6/1998
 1012Flooring Radiant Panelset (3)9/14/1984
 1017bGlass Beads – Particle Size Distribution (100 μm to 400 μm diameter range)70 g6/20/2016
 1018bGlass (Particle Size)87 g4/22/1997
 1019bGlass (Particle Size)200 g7/2/1997
 1021Glass ( Particle Size)4 g12/15/2011
 1034Unalloyed Copperrod2/3/1982
 1035Leaded-Tin Bronze Alloy50 g2/3/1982
 1082Cigarette Ignition Strength Standard1 carton (200 cigarettes)9/28/2017
 1083Wear-Metals in Lubricating Oil 150 mL7/15/1991
 1085cWear Metals in Lubricating Oil10 ampoules (1.2 g each)1/26/2016
 1089Steels, Set (consists of SRMs 1095, 1096, 1097, 1098 and 1099)5 rods10/23/1970
 1090Oxygen in Ingot Ironrod11/1/1985
 1093Oxygen in Valve Steelrod11/5/1984
 1094Oxygen in Maraging Steelrod11/5/1984
 1107Naval Brass UNS 46400disk9/25/2014
 1110Red Brass Bdisk10/1/1981
 1111Red Brass Standarddisk10/1/1981
 1112Gilding Metal disk10/1/1981
 1113Gilding Metal disk10/1/1981
 1114Gilding Metal disk10/1/1981
 1115Commercial Bronze Standard for Optical Emission and X-ray Spectroscopic Analysisdisk11/23/1981
 1116Commercial Bronze Standard for Optical Emission and X-ray Spectroscopic Analysisdisk11/23/1981
 1117Commercial Bronze Standard for Optical Emission and X-ray Spectroscopic Analysisdisk11/23/1981
 1124Free Cutting Brass (UNS C36000)1 disk5/19/2011
 1128Titanium -Base Alloy (15V-3Al-3Cr-3Sn)disk7/22/1991
 1129Solder (63Sn-37Pb)200 g5/8/1989
 1131Solder (40Sn – 60Pb)disk10/1/1981
 1132Lead-Base Bearing Metal (84Pb – 10Sb – 6Sn)disk11/18/1994
 1134Low-Alloy High-Silicon Steel (disk form)disk9/19/2017
 1135LA Steel, High Silicondisk7/27/1972
 1138aCast Steel Standardblock1/20/1977
 1139aCast Steel Standardblock1/20/1977
 1155aStainless Steel (Cr 18 Ni 12, Mo 2)disk8/11/2014
 1157Tool Steel (AISI M2)disk8/6/1973
 1158High-Nickel Steel (Nominal Mass Fraction 36 % Ni) (disk form)disk6/22/2017
 1159Electronic and Magnetic Alloy Standarddisk8/4/1981
 1160Elec/Mag Ni-Mo-Fedisk8/4/1981
 1171Stainless Steel Cr 17-Ni 11-Ti 0.3 (AISI 321)disk6/25/2014
 1172Stainless Steel Cr 17-Ni 11-Nb 0.6 (AISI 348)disk7/7/1971
 1173Ni-Cr-Mo-V Steeldisk6/9/1989
 1196Standard Cigarette for Ignition Resistance Testing2 cartons(400 cigarettes)11/29/2012
 1218LA Steel, High Silicondisk11/27/1984
 1219Stainless Steel Cr16 – Ni2  (AISI 431) (disk form)disk9/18/1985
 1223Chromium Steeldisk5/26/1993
 1224LA Steel, Carbon (AISI 1078)disk11/18/2013
 1225LA Steel (AISI 4130)disk3/16/1983
 1226LA Steeldisk9/18/1996
 1227LA Steel, Basic Open Hearth, 1% Cdisk3/30/1983
 1228LA Steel, 0.1% Cdisk6/25/1993
 1230High-Temperature Alloy A286 (disk form)disk7/13/2016
 1240cAluminum Alloy 3004disk9/9/2014
 1241cAluminum Alloy 5182disk7/27/2006
 1242High Temperature Alloy L 605disk11/4/1991
 1243Ni-Cr-Co Alloy UNS N07001 (disk form)disk12/17/2012
 1244Nickel Alloy UNS N06600 (disk form)disk7/31/2017
 1246Incoloy® 800disk5/5/1984
 1247Ni-Fe-Cr Alloy UNS N08825 (disk form)disk12/11/2015
 1249Ni-Cr-Fe-Nb-Mo Alloy UNS N07718 (disk form)disk8/22/2014
 1250High-Temperature Alloy (Fe-Ni-Co)disk7/19/1993
 1255bAluminum Alloy 356disk4/4/2006
 1256bAluminum Alloy 380disk4/4/2006
 1258-IAluminum Alloy 6011disk9/23/2014
 1259Aluminum Alloy 7075disk5/3/1978
 1264aLA Steel, High Carbon (mod.)disk10/20/2006
 1265aElectrolytic Irondisk6/12/1989
 1269Line Pipe (AISI 1526 mod.)disk6/11/1981
 1270LA Steel, Cr-Mo (A336) (F-22)disk6/11/1981
 1271LA Steel (HSLA-100)disk10/11/1991
 1276aCupro-Nickel (CDA 715)disk6/30/1989
 1286Low Alloy Steel (HY 80)disk3/16/1992
 1295Stainless Steel (SAE 405)disk3/9/1992
 1297Stainless Steel (SAE 201)disk12/18/1991
 1358bCoating Thickness Standard, (Nonmagnetic Coating on Steel)set (5)5/24/2013
 1359bCoating Thickness Standard (Nonmagnetic Coating on Steel)set (5)5/24/2013
 1361bCoating Thickness Standard (Nonmagnetic Coating on Steel)set (5)5/24/2013
 1362bCoating Thickness Standard (Nonmagnetic Coating on Steel)set (5)4/23/2013
 1363bCoating Thickness Standard (Nonmagnetic Coating on Steel)set (5)5/24/2013
 1364bCoating Thickness Standard (Nonmagnetic Coating on Steel)set (5)5/24/2013
 1400Bone Ash50 g12/18/1992
 1401Trace Metals in Frozen Human Blood4 vials x 1.6 mL8/2/2017
 1411Soft Borosilicate Glass10 platelets8/2/1985
 1413High Alumina Sand75 g8/2/1985
 1416Aluminosilicate Glass for Liquidus Temperature250 g5/17/1994
 1449Thermal Resistance – Fumed Silica Boardeach1/10/1989
 1450dThermal Conductivity, Fibrous Glass Boardeach1/20/2012
 1452Thermal Resistance – Fibrous Glass Blanket for High Precision Measurementseach4/14/1986
 1453Thermal Conductivity – Expanded Polystyrene Boardeach2/26/2013
 1457Superconducting Critical Current – Nb Ti Wireeach6/19/1984
 1459Thermal Resistance – Fumed Silica Boardeach1/10/1989
 1473cLow Density Polyethylene Resin60 g9/23/2016
 1474bPolyethylene Resin60 g9/23/2016
 1476aBranched Polyethylene Resin12 g9/28/2011
 1478Polystyrene (Narrow Molecular Weight Distribution)2 g7/15/1992
 1479Polystyrene (Narrow Molecular Weight Distribution)2 g3/20/1992
 1482aLinear Polyethylene Narrow Molecular Mass Distribution (Nominal Mass Average Molar Mass of 13 600 g/mol)0.3 g2/15/2018
 1483aLinear Polyethylene Narrow Molecular Mass Distribution (Nominal Mass Average Molar Mass of 32 100 g/mol)0.3 g2/15/2018
 1484aLinear Polyethylene0.3 g10/2/1992
 1486Bone Meal50 g2/17/2017
 1487Poly(Methyl Methacrylate) (6 K Narrow Molecular Weight Distribution)2 g6/1/1989
 1488Poly (Methyl Methacrylate) 29 K Narrow Molecular Weight Distribution2 g2/12/1988
 1491aMethyl-Substituted Polycyclic Aromatic Hydrocarbons in Toluene5 x 1.2 mL12/14/2016
 1493Polychlorinated Biphenyl Congeners in 2,2,4-Trimethylpentane5 x 1.2 mL5/17/2017
 1494Aliphatic Hydrocarbons in 2,2,4-Trimethylpentane5 x 1.2 mL4/17/2013
 1496Unpigmented Polyethylene Gas Pipe Resin0.9 kg9/16/1988
 1507b11-Nor-Delta-9-Tetrahydrocannabinol-9-Carboxylic Acid in Freeze-Dried Urineset (3)12/14/2016
 1508aBenzoylecgonine (Cocaine Metabolite) in Freeze-dried Urineset (4)12/1/2015
 1514Thermal Analysis Purity Set set (4)7/23/1984
 1515Apple Leaves50 g4/21/2017
 1543GC/MS System Performance Standard4 x 1 mL7/28/2016
 1546aMeat Homogenate4 cans x 85 g8/24/2017
 1547Peach Leaves50 g4/21/2017
 1548aTypical Dietset (2)11/18/2015
 1566bOyster Tissue25 g6/26/2017
 1567bWheat Flour50 g3/12/2014
 1568bRice Flour50 g10/23/2013
 1570aTrace Elements in Spinach Leaves60 g2/25/2014
 1573aTomato Leaves50 g11/22/1995
 1575aTrace Elements in Pine Needles (Pinus taeda)50 g powder7/19/2017
 1577cBovine Liver20 g1/6/2016
 1595Tripalmitin2 g5/12/2016
 1597aComplex Mixture of Polycyclic Aromatic Hydrocarbons Coal Tar1 x 1.3 mL12/17/2012
 1598aInorganic Constituents in Animal Serum2 vials x 5 mL1/10/2017
 1614Dioxin (2,3,7,8-TCDD in Isooctane)6 x 1.2 mL9/22/2009
 1616bSulfur in Kerosene (Low Level)100 mL11/30/2015
 1617bSulfur in Kerosine (High Level)100 mL6/11/2014
 1619bSulfur in Residual Fuel Oil (0.7%)100 mL6/28/2013
 1622eSulfur in Residual Fuel Oil (Nominal Mass Fraction 2 %)100 mL10/5/2015
 1624dSulfur in Diesel Fuel Oil (Nominal Mass Fraction 0.4 %)100 mL4/4/2016
 1632eTrace Elements in Coal (Bituminous)50 g4/25/2018
 1633cTrace Elements in Coal Fly Ash75 g6/23/2011
 1634cTrace Elements in Fuel Oil100 mL6/4/2014
 1635aTrace Elements in Coal (Subbitumimous)50 g12/6/2017
 1640aTrace Elements in Natural Water250 mL6/8/2010
 1641eMercury in Water10×10 mL12/11/2014
 1643fTrace Elements in Water250 mL8/18/2015
 1646aEstuarine Sediment70 g2/20/2004
 1647fPriority Pollutant Polycyclic Aromatic Hydrocarbons in Acetonitrile5 x 1.3 mL11/8/2017
 1648aUrban Particulate Matter2 g9/18/2015
 1649bUrban Dust2 g8/30/2016
 1650bDiesel Particulate Matter200 mg7/17/2013
 1656Thianthrene Combustion Calorimetric Standard30 g1/14/1985
 1657Synthetic Refuse-Derived Fuel Combustion Calorimetric Standard100 g5/14/1993
 1658aMethane in Air (Nominal Amount-of-Substance Fraction 1 µmol/mol)6 L cylinder9/13/2017
 1659aMethane in Air (Nominal Amount-of-Substance Fraction 10 umol/mol)6 L cylinder9/10/2013
 1662aSulfur Dioxide in Nitrogen (Nominal Amount-of-Substance Fraction 1000 µmol/mol)6 L cylinder5/2/2018
 1663aSulfur Dioxide in Nitrogen (Nominal Amount-of-Substance Fraction 1500 µmol/mol) 6 L cylinder2/6/2015
 1664aSulfur Dioxide in Nitrogen (Nominal Amount-of-Substance Fraction 2500 µmol/mol)6 L cylinder7/28/2017
 1667bPropane in Air (Nominal Amount-of-Substance Fraction 50 µmol/mol)6 L cylinder10/3/2016
 1668bPropane in Air (Nominal Amount-of-Substance Fraction 100 µmol/mol)6 L cylinder2/15/2012
 1669bPropane in Air (Nominal Amount-of-Substance Fraction 500 µmol/mol)6 L cylinder6/8/2017
 1678cCarbon Monoxide in Nitrogen (Nominal Amount-of-Substance Fraction 50 µmol/mol)6 L cylinder4/4/2013
 1679cCarbon Monoxide in Nitrogen (Nominal Amount-of-Substance Fraction 100 µmol/mol)6 L cylinder3/11/2015
 1680bCarbon Monoxide in Nitrogen (Nominal Amount-of-Substance Fraction 500 µmol/mol)6 L cylinder3/12/2014
 1685bNitric Oxide in Nitrogen (Nominal Amount-of-Substance Fraction 250 µmol/mol)6 L cylinder12/9/2015
 1686bNitric Oxide in Nitrogen (Nominal Amount-of-Substance Fraction 500 µmol/mol)6 L cylinder4/6/2016
 1687bNitric Oxide in Nitrogen (Nominal Amount-of-Substance Fraction 1000 µmol/mol)6 L cylinder3/21/2018
 1690Polystyrene Spheres (Nominal Diameter 1 µm)5 mL8/9/2016
 1691Polystyrene Spheres (Nominal Diameter 0.3 µm)5 mL2/25/2016
 1693aSulfur Dioxide in Nitrogen (Nominal Amount-of-Substance Fraction 50 µmol/mol)6 L cylinder5/3/2016
 1696aSulfur Dioxide in Nitrogen (Nominal Amount-of-Substance Fraction 3500 µmol/mol)6 L cylinder7/28/2017
 1710Aluminum Alloy 3004disk1/26/1993
 1711Aluminum Alloy 3004disk1/26/1993
 1713Aluminum Alloy 5182disk1/26/1993
 1718Nitrous Oxide in Air (Nominal Amount-of-Substance Fraction 1 µmol/mol)6 L cylinder9/19/2017
 1720Northern Continental Air30 L cylinder9/8/2015
 1721Southern Oceanic Air 30 L cylinder3/18/2015
 1722Halocarbons in Continental Air (Nominal Amount-of-Substance Fraction – Ambient)29.5 L cylinder3/16/2018
 1727Anode Tinblock10/29/2013
 1728Tin Alloy (Sn-3Cu-0.5Ag)disk10/29/2013
 1729Tin Alloy (97 Sn – 3 Pb)disk9/25/2015
 1738Zinc-Aluminum Alloydisk7/14/2008
 1740Zinc-Aluminum Alloydisk7/14/2008
 1741Zinc-Aluminum Alloydisk7/14/2008
 1742Zinc-Aluminum Alloydisk7/14/2008
 1746Silver Freezing-Point Standard300 g7/6/1993
 1749Gold versus Platinum Thermocouple Certified Thermometer each3/18/1998
 1754Low-Alloy Steel, AISI 4320rod2/22/1989
 1755Nitrogen in Low Alloy Steeldisk9/25/2014
 1761aLow Alloy Steeldisk2/29/2008
 1762aLow Alloy Steeldisk5/13/2015
 1763aLow Alloy Steeldisk7/8/2010
 1764aLow Alloy Steeldisk6/9/2009
 1765Low Alloy Steeldisk2/26/1993
 1766Low Alloy Steeldisk2/26/1993
 1767Low Alloy Steeldisk6/9/1993
 1768High-Purity Iron (disk form)disk7/19/2017
 1772Tool Steel (S-7)disk10/31/1995
 1775Refractory Alloy MP-35-N disk7/9/2014
 1810aLinerboard50 each7/7/1999
 1818aChlorine in Lubricating Base Oilsset (5)4/11/1994
 1819aSulfur in Lubricating Base Oilset (5)4/11/1994
 1828cEthanol-Water Solutions (Six Levels)6 x 1.2 mL12/22/2017
 1830Soda-Lime Float Glass (Nominal Mass Fraction 0.1 % Al2O3)3 platelets7/12/2017
 1831Soda-Lime Sheet Glass (Nominal Mass Fraction 1.2 % Al2O3)3 platelets7/12/2017
 1835Borate Ore60 g9/14/1987
 1845aWhole Egg Powder5 pouches x 10 g each5/7/2018
 1849aInfant/Adult Nutritional Formula10 pouches x 10 g each10/29/2015
 1857Tool Steel for Abrasive Wear Standard2 blocks3/8/1983
 1877Beryllium Oxide Powder20 g9/18/2008
 1878bRespirable Alpha Quartz (Quantitative X-Ray Powder Diffraction Standard)5 g11/16/2017
 1879bRespirable Cristobalite (Quantitative X-Ray Powder Diffraction Standard)5 g11/16/2017
 1880bPortland Cement4 vials x 5 g5/25/2010
 1881bPortland Cement (Blended with Fly Ash)5 vials x 5 g6/16/2016
 1882aCalcium Aluminate Cement4 vials x 5 g4/8/2014
 1883aCalcium Aluminate Cement4 vials x 5 g5/22/2014
 1884bPortland Cement5 vials x 4.5 g11/2/2009
 1885bPortland Cement5 vials x 5 g12/16/2013
 1886bWhite Portland Cement5 vials x 5 g3/21/2016
 1886aPortland Cement (White Portland Cement with Low Iron)4 vials x 5 g2/5/2016
 1887bPortland Cement4 vials x 5 g each12/17/2013
 1888bPortland Cement4 vials x 5 g7/27/2010
 1889aPortland Cement (Blended with Limestone)4 vials x 5 g11/29/2016
 1893Copper Microhardness Test Block (Knoop)each9/4/2012
 1894aVickers Microhardness of Coppereach9/4/2012
 1895Nickel Microhardness Test Block (Knoop)each9/4/2012
 1896bVickers Microhardness of Nickeleach9/4/2012
 1898Titanium Dioxide Nanomaterial15 g6/14/2012
 1900Specific Surface Area Standard4 g3/19/1998
 1905Nickel Microhardness Test Block (Knoop) each3/20/1992
 1906Nickel Microhardness Test Block (Knoop)each11/2/1994
 1907Nickel Microhardness Test Block (Knoop)each3/14/1995
 1908Vickers Microhardness of Nickeleach9/4/2012
 1909Vickers Microhardness of Nickeleach9/4/2012
 1917Mercury Porosimetry Standard10 g10/7/2010
 1921bInfrared Transmission Wavelength Standard1 card6/11/2018
 1932Fluorescein Solution3 x 2 mL6/5/2017
 1934Fluorescent Dyes for Quantitative Flow Cytometry (Visible Spectral Range)4 ampoules x 1 each level4/25/2016
 1941bOrganics in Marine Sediment50 g1/16/2015
 1944New York/New Jersey Waterway Sediment50 g2/17/2017
 1945Organics in Whale Blubber2×15 g4/13/2016
 1946Lake Superior Fish Tissue5 x 7-9 grams7/24/2017
 1947Lake Michigan Fish Tissue5 x 8 grams5/31/2017
 1950Metabolites in Frozen Human Plasma5 vials x 1 mL4/21/2016
 1951cLipids in Frozen Human Serum4 vials x 1 mL1/5/2018
 1952aCholesterol in Freeze-Dried Human Serum6 vials x 3 mL2/11/2016
 1953Organic Contaminants in Non-Fortified Human Milk5 x 5 mL1/6/2017
 1954Organic Contaminants in Fortified Human Milk5 x 5 mL2/1/2016
 1957Organic Contaminants in Non-Fortified Human Serum (Freeze-Dried)5 vials x 10.7 mL1/26/2016
 1958Organic Contaminants in Fortified Human Serum (Freeze-Dried)5 vials x 10.7 mL11/30/2015
 1961Polystyrene Spheres 30 µm Diameter Polystyrene Spheres5 mL1/20/1987
 1965Microsphere Slide (10-µm Polystyrene Spheres)slide1/15/1987
 1967aHigh-Purity Platinum Thermoelement0.51 x 1 m platinum wire9/22/2015
 1968Gallium Melting-Point Standard25 g3/11/1991
 19721,3-Dioxolan-2-one Triple Point60 g5/26/1994
 1974cOrganics in Mussel Tissue (Mytilus edulis)5 jars x 10 g5/1/2018
 1976bInstrument Response Standard for X-Ray Powder Diffraction1 disc11/4/2015
 1978Particles Size Distribution Standard for Gravity Sedimentation5 g9/16/1993
 1979Powder Diffraction Line Profile Standard for Crystallite Size Analysis(Nano-Crystalline ZnO Powder)2 x 3 g10/17/2016
 1980Positive Electrophoretic Mobility (+µE) Standard500 mg/L9/30/2016
 1982Thermal Spray Powder – Particle Size Distribution Yttria-Stabilized Zirconia (Spheroidal)10 g9/19/2016
 1984Thermal Spray Powder – Particle Size Distribution Tungsten Carbide/Cobalt (Acicular)14 g9/28/2015
 1985Thermal Spray Powder – Particle Size Distribution Tungsten Carbide/Cobalt (Spheroidal)14 g12/15/2011
 1990Single Crystal Diffractometer Alignment Standard – Ruby Sphere3 spheres2/28/2001
 1991Mix Coal Tar/Petroleum Extract in Methylene Chloride5 x 1.2 mL2/25/2013
 1994Standard Silicon Single Crystal Wafer for Crystalline Orientation100-mm wafer2/6/2007
 1995Standard Sapphire Single Crystal Wafer for Crystalline Orientation50-mm wafer10/2/2008
 2034Holmium Oxide Solution Wavelength Standard (240 nm to 650 nm)Cuvette8/29/2016
 2035bUltraviolet-Visible-Near-Infrared Wavelength/Wavenumber Transmission Standardeach1/12/2018
 2036Near Infrared Wavelength/Wavenumber Reflection Standardeach1/24/2013
 2061TiAl(NbW) Alloy for Microanalysiscube5/16/2005
 2066K-411 Glass Microspheres50 mg8/23/2000
 2074Sinusoidal Roughness Specimeneach2/26/2013
 2075Sinusoidal Roughness Specimeneach2/26/2013
 2082Pathlength Absorbance Standards for Microliter Volume Spectrophotometersset of 3 vials8/4/2016
 2092Low-Energy Charpy V-Notch Specimens (NIST-Verification, 8-mm Striker)set1/17/2018
 2093Low-Energy Charpy V-Notch Specimens (Self-Verification,  8-mm Striker)set9/15/2017
 2096High-Energy Charpy V-Notch Specimens (NIST-Verification, 8 mm-Striker)set1/17/2018
 2097High-Energy Charpy V-Notch Specimens (Self-Verification,  8-mm Striker)set1/17/2018
 2100aFracture Toughness of Ceramic5 bars3/3/2016
 2100bFracture Toughness of Ceramic5 bars3/3/2016
 2112Dynamic Impact Force Verification Specimens (Self-Verification, 8-mm Striker, nominal 24 kN)set1/17/2018
 2113Dynamic Impact Force Verification Specimens (Self-Verification, 8-mm Striker; 33 kN nominal)set1/17/2018
 2133Phosphorus Implant in Si Depth Profileeach8/5/2010
 2134Arsenic Implant in Silicon Depth Profile Standardeach8/5/2010
 2135cNi/Cr Thin Film Depth Profileeach2/1/1999
 2137Boron Implant in Silicon Standard for Calibration of Concentration in a Depth Profileeach8/5/2010
 2139Zinc-Aluminum Alloy100 g7/31/2008
 2141Urea2 g8/28/1970
 2143p-Fluorobenzoic Acid2 g1/12/1982
 2144m-Chlorobenzoic Acid2 g4/5/1973
 2152Urea Combustion Calorimetric Standard25 g1/14/1985
 2160Low-Alloy Steel (pin form)200 g3/29/1990
 2161Low Alloy Steel (chip form)150 g3/22/2018
 2162Low Alloy Steel (chip form)150 g3/22/2018
 2163Low Alloy Steel (chip form)150 g3/22/2018
 2164Low Alloy Steel (chip form)150 g4/2/2018
 2165Low Alloy Steel (chip form)150 g2/8/2018
 2166Low Alloy Steel150 g6/3/2011
 2167Low Alloy Steel150 g6/2/2011
 2168High-Purity Iron (chip form)150 g6/23/2017
 2171LA Steel, (HSLA 100)150 g10/11/1991
 2172S-7 Tool Steel150 g12/31/1996
 2175Refractory Alloy MP-35-N150 g7/9/2014
 2181HEPES 60 g3/4/1992
 2182HEPES Sodium Salt60 g3/4/1992
 2185Potassium Hydrogen Phthalate pD Standard60 g11/28/1984
 2186IPotassium Dihydrogen Phosphate30 g5/28/1968
 2186IIDisodium Hydrogen Phosphate30 g5/28/1968
 2191aSodium Bicarbonate30 g2/18/1994
 2192aSodium Carbonate30 g2/18/1994
 2197Low-Energy Charpy V-Notch Specimens (Self-Verification, 2-mm Striker)set11/9/2017
 2198High-Energy Charpy V-Notch Specimens (Self-Verification, 2-mm Striker)set11/9/2017
 2201Sodium Chloride (Ion-Selective)125 g5/24/1993
 2203Potassium Fluoride (Standard for Ion-Selective Electrodes)125 g5/21/1973
 2206Controlled Pore Glass – BET Specific Surface Area (300 nm)5 g4/27/2012
 2207Controlled Pore Glass – BET Specific Surface Area (Nominal Pore Diameter 18 nm)5 g4/27/2012
 2214Isooctane Liquid Density4 x 5 mL2/20/2001
 2216Miniaturized Low-Energy Charpy V-Notch KLST Specimens (Self-Verification)set1/19/2018
 2218Miniaturized High-Energy Charpy V-Notch KLST Specimens (Self-Verification)set1/19/2018
 2219Miniaturized Super-High Energy Charpy V-Notch KLST Specimens (Self-Verification)set2/2/2018
 2235Bismuth for Thermal Analysis1.5 g8/7/2015
 2241Relative Intensity Correction Standard for Raman Spectroscopy: 785 nm Excitationeach8/24/2015
 2244Relative Intensity Correction Standard for Raman Spectroscopy: 1064 nm Excitationeach9/8/2015
 2245Relative Intensity Correction Standard for Raman Spectroscopy: 633 nm Excitationeach8/23/2016
 2246Relative Intensity Correction Standard for Raman Spectroscopy: 830 nm Excitationeach12/16/2015
 2259Polychlorinated Biphenyl Congeners in 2,2,4-Trimethylpentane5 ampoules x 1.2 mL5/17/2017
 2260aAromatic Hydrocarbons in Toluene5 x 1.2 mL11/6/2017
 2262Chlorinated Biphenyl Congeners in 2,2,4-Trimethylpentane (Nominal Mass Concentration 2 μg/mL)5 x 1.2 mL7/6/2017
 2266Hopanes and Steranes in 2,2,4 Trimethylpentane5 x 1.2 mL4/4/2016
 2269Perdeuterated PAH-I Solution in Hexane/Toluene5×1.2 mL11/6/2009
 2270Perdeuterated PAH-II Solution in Hexane/Toluene5×1.2 mL11/6/2009
 2273Chlorinated Pesticides (DDTs) and Metabolites in Isooctane5×1.2 mL2/14/2012
 2274Polychlorinated Biphenyl Congeners in 2,2,4-Trimethylpentane5×1.2 mL6/7/2017
 2275Chlorinated Pesticide Solution-II in Isooctane5×1.2 mL11/6/2009
 2285Ignitable Liquids Test Mixture5 x 1.2 mL5/9/2013
 2294Reformulated Gasoline (Nominal Mass Fraction 11% MTBE)2 x 20 mL9/18/2012
 2295Reformulated Gasoline (nominal 15% MTBE)2 x 20 mL9/18/2012
 2296Reformulated Gasoline (Nominal Mass Fraction 13 % ETBE)2 x 20 mL9/18/2012
 2297Reformulated Gasoline (Nominal Mass Fraction 10% Ethanol)2 x 20 mL9/18/2012
 2298Sulfur in Gasoline (High-Octane)5 x 20 mL2/10/2017
 2299Sulfur in Gasoline (Reformulated)5 x 20 mL2/10/2017
 2366aCytomegalovirus DNA (TowneΔ147 BAC) for DNA Measurements1 vial x 150 uL9/1/2015
 2372aHuman DNA Quantitation Standard3 vials x 55 µL3/13/2018
 2373Genomic DNA Standards for HER2 Measurements5 vials, 1 each level10/13/2015
 2374DNA Sequence Library for External RNA Controls96 tubes12/6/2017
 2377Fatty Acid Methyl Esters in 2,2,4-Trimethylpentane5 x 1.2 mL2/10/2017
 2378Fatty Acids in Frozen Human Serum3 vials x 1 mL2/11/2016
 2384Baking Chocolate5 x 91 g2/5/2015
 2385Slurried Spinach4 x 70 g2/2/2018
 2387Peanut Butter3 x 170 g7/21/2015
 2389aAmino Acids in 0.1 mol/L Hydrochloric Acid5 ampoules x 1.2 mL7/1/2010
 2391cPCR-Based DNA Profiling Standard5 vials5/24/2018
 2392-IMitochondrial DNA Sequencing (Human HL-60 DNA)each2/2/2018
 2393CAG Repeat Length Mutation in Huntington’s Diseaseset (6)10/1/2015
 2394Heteroplasmic Mitochondrial DNA Mutation Detection Stdset (10)7/9/2014
 2396Oxidative DNA Damage Mass Spectrometry Standardsset (10)4/10/2012
 242655 % Aluminum-Zinc Alloy40 g3/31/2006
 2429Flue Gas Desulfurization Gypsum1 bottle x 200 g10/7/2015
 2430Scheelite Ore100 g7/13/2016
 2431Titanium Base Alloy50 g8/16/1993
 2432Titanium-Base Alloy 10V – 2Fe – 3Al50 g8/16/1993
 2433Titanium-Base Alloy 8Al-1Mo-1V50 g4/15/1996
 2445Mercury in Iodized Activated Carbon25 g11/3/2015
 2448Mercury in Brominated Activated Carbon25 g1/7/2015
 2451Fine Carbon (Activated) – From Cyanide Ore Leaching100 g7/18/2014
 2453aHydrogen In Titanium Alloy (Nominal Mass Fraction 125 mg/kg H)10 g4/27/2015
 2454Hydrogen In Titanium Alloy10 g2/20/2014
 2461Standard Cartridge Case1 each6/22/2012
 2483Single-Wall Carbon Nanotubes (Raw Soot)250 mg11/14/2011
 2484Multiwall Carbon Nanotubes (Raw Soot)6 g5/11/2017
 2492Bingham Paste Mixture for Rheological Measurementskit for two batches11/5/2015
 2493Bingham Mortar Mixture for Rheological Measurementskit for two batches10/6/2017
 2514Wavelength Calibration Reference for 1560 nm to 1595 nm each5/17/2002
 2515Wavelength Calibration Reference for 1595 nm to 1630 nmeach1/17/2007
 2517aHigh Resolution Wavelength Calibration Reference for 1510 to 1540 nm Acetylene 12C2H2each6/13/2005
 2520Optical Fiber Diameter Standardeach5/24/2007
 2541Silicon Resistivity Standard – 0.01 ohm•cm Levelwafer1/6/2004
 2543Silicon Resistivity Standard – 1 ohm•cm Levelwafer6/15/2004
 2553Optical Fiber Coating Diameter (Nominal Refractive Index 1.504)each10/27/2014
 2554Optical Fiber Coating Diameter (Nominal Refractive Index 1.515)each10/27/2014
 2556Used Auto Catalyst (Pellets)70 g8/24/1993
 2557Used Auto Catalyst (Monolith)70 g8/24/1993
 2569Lead Paint Films for Children’s Products8 sheets5/17/2012
 2570Lead Paint Film for Building Surfaces (Blank) (Color:  White)1 film4/14/2016
 2571Lead Paint Film for Building Surfaces (Nominal PB 3.5 mg/cm2 (Color:  Yellow) 1 +blank4/14/2016
 2572Lead Paint Film for Building Surfaces (Nominal Pb 1.6 mg/cm2) (Color:  Orange)1 +blank4/14/2016
 2573Lead Paint Film for Building Surfaces (Nominal Pb 1.0 mg/cm2) (Color:  Red)1 +blank4/14/2016
 2574Lead Paint Film for Building Surfaces (Nominal Pb 0.7 mg/cm2) (Color:  Gold) 1 +blank4/14/2016
 2575Lead Paint Film for Building Surfaces (Nominal Pb 0.3 mg/cm2) (Color:  Green)1 +blank4/14/2016
 2576Lead Paint Film for Building Surfaces (Nominal Pb 5.6 mg/cm2) (Color:  Blue)1 +blank4/14/2016
 2579aLead Paint Films For Building Surfaces (SRM 2570 through SRM 2575)set (6)4/16/2016
 2580Powdered Paint (Nominal Mass Fraction of 4 % Lead)30 g5/15/2009
 2581Powdered Paint (Nominal Mass Fraction of 0.5 % Lead)35 g6/8/2009
 2582Powdered Paint (Nominal 200 mg/kg Lead)20 g6/8/2009
 2583Trace Elements in Indoor Dust (Nominal Mass Fraction of 90 mg/kg Lead)8 g1/29/2016
 2584Trace Elements in Indoor Dust (Nominal Mass Fraction of 1 % Lead)8 g1/29/2016
 2585Organic Contaminants in House Dust10 g1/12/2018
 2586Trace Elements in Soil Containing Lead From Paint (Nominal Mass Fraction of 500 mg/kg Lead)55 g4/12/2017
 2587Trace Elements in Soil Containing Lead from Paint (Nominal Mass Fraction of 3000 mg/kg Lead)55 g3/11/2013
 2589Powdered Paint (Nominal Mass Fraction of 10 % Lead)35 g6/8/2009
 2613aCarbon Monoxide in Air (Nominal Amount-of-Substance Fraction 20 µmol/mol)6 L cylinder7/13/2016
 2614aCarbon Monoxide in Air (Nominal Amount-of-Substance Fraction 45 µmol/mol)6 L cylinder5/5/2015
 2617Carbon Dioxide in Nitrogen (Nominal Amount-of-Substance Fraction 500 µmol/mol)6 L cylinder12/12/2017
 2619aCarbon Dioxide in Nitrogen (Nominal Amount-of-Substance Fraction 0.5 % mol/mol)6 L cylinder12/18/2012
 2621aCarbon Dioxide in Nitrogen (Nominal Amount-of-Substance Fraction 1.5 % mol/mol)6 L cylinder9/7/2011
 2622aCarbon Dioxide in Nitrogen (Nominal Amount-of-Substance Fraction 2 % mol/mol)6 L cylinder10/25/2017
 2624aCarbon Dioxide in Nitrogen (Nominal Amount-of-Substance Fraction 3 % mol/mol)6 L cylinder6/7/2017
 2625aCarbon Dioxide in Nitrogen (Nominal Amount-of-Substance Fraction 3.5 % mol/mol)6 L cylinder7/19/2017
 2627aNitric Oxide in Nitrogen (Nominal Amount-of-Substance Fraction 5 µmol/mol)6 L cylinder9/17/2014
 2630Nitric Oxide in Nitrogen (Nominal Amount-of-Substance Fraction 1500 µmol/mol)6 L cylinder6/12/2017
 2635aCarbon Monoxide in Nitrogen (Nominal Amount-of-Substance Fraction 25 µmol/mol)6 L cylinder5/22/2013
 2636aCarbon Monoxide in Nitrogen (Nominal Amount-of-Substance Fraction 250 µmol/mol)6 L cylinder6/6/2016
 2637aCarbon Monoxide in Nitrogen (Nominal Amount-of-Substance Fraction 2500 µmol/mol)6 L cylinder9/3/2014
 2640aCarbon Monoxide in Nitrogen (Nominal Amount-of-Substance Fraction 2 % mol/mol)6 L cylinder9/15/2014
 2641aCarbon Monoxide in Nitrogen (Nominal Amount-of-Substance Fraction 4 % mol/mol)6 L cylinder9/2/2011
 2642aCarbon Monoxide in Nitrogen (Nominal Amount-of-Substance Fraction 8 % mol/mol)6 L cylinder9/2/2011
 2644aPropane in Nitrogen (Nominal Amount-of-Substance Fraction 250 µmol/mol)6 L cylinder7/24/2014
 2658aOxygen in Nitrogen (Nominal Amount-of-Substance Fraction 10 % mol/mol)6 L cylinder2/23/2016
 2668Toxic Elements in Frozen Human Urine10 vials x 1.5 mL11/3/2011
 2669Arsenic Species in Frozen Human Urine10 vials x 1.5 mL1/19/2016
 2670aToxic Elements in Freeze-Dried Urine4 bottles x 20 mL12/31/2015
 2681Trace Constituent Elements in Blank Filters10 filters5/2/1988
 2682cSubbituminous Coal (Nominal Mass Fraction 0.5 % Sulfur)1 bottle x 50 g9/17/2015
 2683cBituminous Coal (Nominal Mass Fraction 2 % Sulfur)50 g12/19/2016
 2684cBituminous Coal (Nominal Mass Fraction 3 % Sulfur)50 g9/22/2014
 2685cBituminous Coal (Nominal Mass Fraction 5 %Sulfur)50 g10/22/2013
 2688Portland Cement Clinker3 vials x 10 g8/23/2017
 2689Coal Fly Ash3 x 10 g7/20/2015
 2690Coal Fly Ash3 x 10 g7/21/2015
 2691Coal Fly Ash3 x 10 g7/22/2015
 2692cBituminous Coal (Nominal Mass Fraction 1 % Sulfur)50 g9/29/2010
 2693Bituminous Coal (Nominal Mass Fraction 0.5 % Sulfur) 50 g10/19/2016
 2696Silica Fume (powder form)70 g9/8/2017
 2700Hexavalent Chromium in Contaminated Soil (Low Level)75 g9/2/2015
 2701Hexavalent Chromium in Contaminated Soil (High Level)75 g9/13/2013
 2702Inorganics in Marine Sediment50 g5/17/2016
 2703Sediment for Solid Sampling (Small Sample) Analytical Techniques5 g8/21/2012
 2709aSan Joaquin Soil50 g4/7/2009
 2710aMontana I Soil50 g4/7/2009
 2711aMontana II Soil50 g5/22/2009
 2717aSulfur in Residual Fuel Oil (Nominal Mass Fraction 3%)100 mL10/5/2015
 2718aGreen Petroleum Coke50 g8/9/2017
 2719Calcined Petroleum Coke50 g8/30/2010
 2720Sulfur in Di-n-Butyl Sulfide5 x 4.5 mL9/9/2008
 2721Crude Oil (Light -Sour)5X10 mL3/12/2014
 2722Crude Oil (Heavy Sweet)5X10 mL3/11/2014
 2723bSulfur in Diesel Fuel Oil (Nominal Mass Fraction 10 mg/kg)100 mL11/3/2015
 2730Hydrogen Sulfide in Nitrogen (Nominal Amount-of-Substance Fraction 5 µmol/mol)6 L cylinder9/25/2017
 2731Hydrogen Sulfide in Nitrogen (Nominal Amount-of-Substance Fraction 20 µmol/mol)6 L cylinder5/2/2018
 2738Nitric Oxide in Nitrogen (Nominal Amount-of-Substance Fraction 1000 nmol/mol)6 L cylinder8/22/2016
 2740aCarbon Monoxide in Nitrogen (Nominal Amount-of-Substance Fraction 10 % mol/mol)6 L cylinder1/7/2013
 2741aCarbon Monoxide in Nitrogen (Nominal Amount-of-Substance Fraction 13 % mol/mol)6 L cylinder6/28/2017
 2745Carbon Dioxide in Nitrogen (Nominal Amount-of-Substance Fraction 16 % mol/mol)6 L cylinder8/22/2013
 2750Methane in Air (Nominal Amount-of-Substance Fraction 50 µmol/mol)6 L cylinder11/22/2013
 2751Methane in Air (Nominal Amount-of-Substance Fraction 100 µmol/mol)6 L cylinder10/17/2013
 2764Propane in Air (Nominal Amount-of-Substance Fraction 0.25 µmol/mol)6 L cylinder3/8/2013
 2765Propane in Air (Nominal Amount-of-Substance Fraction 100 nmol/mol)6 L cylinder5/31/2017
 2770Sulfur in Diesel Fuel Oil (Nominal Mass Fraction 40 mg/kg)10 x 10 mL5/2/2016
 2772B100 Biodiesel (Soy-Based)5 ampoules x 10 mL each10/20/2016
 2775Foundry Coke50 g8/30/2010
 2776Furnace Coke50 g8/30/2010
 2779Gulf of Mexico Crude Oil5 x 1.2mL6/4/2012
 2780aHard Rock Mine Waste50 g2/20/2018
 2781Domestic Sludge40 g9/15/2015
 2782Industrial Sludge70 g9/20/2015
 2783Air Particulate on Filter Media2 +2 Blnk (47 mm dia)12/13/2011
 2786Fine Atmospheric Particulate Matter (Mean Particle Diameter < 4 µm)100 mg to 140 mg12/1/2016
 2787Fine Atmospheric Particulate Matter (Mean Particle Diameter < 10 µm)100 mg to 140 mg12/1/2016
 2798aVickers Microhardness of Nickeleach9/4/2012
 2806bMedium Test Dust (MTD) in Hydraulic Fluid2 x 400mL6/12/2014
 2810Rockwell C Hardness, Low Rangeeach3/20/2013
 2811Rockwell C Hardness –  Mid Rangeeach3/20/2013
 2812Rockwell C Scale Hardness – High Rangeeach4/25/2013
 2816Rockwell Hardness 15N Scale –  Low Range (Nominal 72 HR15N)1 block12/8/2011
 2817Rockwell Hardness 15N Scale – Mid Range (Nominal 83 HR15N)1 block12/8/2011
 2818Rockwell Hardness 15N Scale – High Range (Nominal 91 HR15N)1 block12/8/2011
 2819Rockwell Hardness 30N Scale – Low Range (Nominal 45 HR30N)1 block12/8/2011
 2820Rockwell Hardness 30N Scale – Mid Range (Nominal 64 HR30N)1 block12/8/2011
 2821Rockwell Hardness 30N Scale – High Range (Nominal 79 HR30N)1 block12/8/2011
 2828Knoop Microhardness of Steeleach12/31/2012
 2829Vickers Microhardness of Steeleach9/10/2012
 2830Knoop Hardness of Ceramicseach2/13/1996
 2831Vickers Hardness of Ceramics and Hardmetalseach6/20/2003
 2841Semiconductor Thin Film: AlxGa1-xAs Epitaxial Layers (Al mole fraction x near 0.20)disk10/18/2011
 2842Semiconductor Thin Film: AlxGa1-xAs Epitaxial Layers (Al mole fraction x near 0.30)disk10/18/2011
 2855Additive Elements in Polyethylene3 Levels, 80 g each5/10/2013
 2859Restricted Elements in Polyvinyl Chloride25 g8/10/2017
 2861Restricted Elements in Polyvinyl Chloride25 g8/9/2017
 2870Relative Permittivity and Loss Tangent 1422 Cross-Linked Polystyrenecircular-cylindrical puck2/6/2013
 2881Polystyrene Absolute Molecular Mass Distribution Standard0.3 g12/12/2008
 2885Polyethylene (Mass-Average Molar Mass [Mw] 6 280 g/mol)0.3 g5/25/2018
 2886Polyethylene (Mass Average Molar Mass [MW] 87 000 g/mol) 0.3 g1/19/2018
 2887Polyethylene (Mw, 196 400 g/mol)0.3 g7/24/2015
 2890Water Saturated 1-Octanol5 x 2 mL7/2/2015
 2891Ethanol-Water Solution (Nominal Mass Fraction 0.02 %)5 x 1.2 mL4/11/2013
 2892Ethanol-Water Solution (Nominal Mass Fraction 0.04 %)5 x 1.2 mL4/12/2013
 2893aEthanol-Water Solution (Nominal Mass Fraction 0.08 %)5 x 1.2 mL12/22/2017
 2894Ethanol-Water Solution (Nominal Mass Fraction 0.1 %)5 x 1.2 mL4/11/2013
 2895Ethanol-Water Solution (Nominal Mass Fraction 0.2 %)5 x 1.2 mL4/11/2013
 2896Ethanol-Water Solution (Nominal Mass Fraction 0.3 %)5 x 1.2 mL4/11/2013
 2897aEthanol Water Solution (Nominal Mass Fraction 2 %)5 x 10 mL5/30/2013
 2898aEthanol Water Solution, (Nominal Mass Fraction 6 %)5 x 10 mL5/30/2013
 2899aEthanol-Water Solution (Nominal Mass Fraction 25 %)5 x 10 mL8/23/2017
 2900Ethanol-Water Solution (Nominal Mass Fraction 95.6%)5 x 10 mL6/16/2015
 2905Trace Terrorist Explosives Simulants4 bottles x 1 g each3/25/2013
 2910bHydroxyapatite2 g12/16/2015
 2924C-Reactive Protein Solution3 vials x 1 mL7/10/2017
 2943Relative Intensity Correction Standard for Fluorescence Spectroscopy: Blue Emissioneach(12.5 x 12.5 x 45)mm10/5/2009
 2944Relative Intensity Correction Standard for Fluorescence Spectroscopy: Red Emissioneach(12.5 x 12.5 x 45)mm9/6/2011
 2950aRespirable Alpha Quartz on Filter Media (Nominal Mass of Alpha Quartz 5 µg-500 µg)35 filters plus 35 blanks6/3/2015
 297124R,25-Dihydroxyvitamin D3 Calibration Solution5 ampoules x 1 mL2/26/2018
 2972a25-Hydroxyvitamin D Calibration Solutions20 ampoules x 1.2 mL2/14/2017
 2973Vitamin D Metabolites in Frozen Human Serum (High Level)2 vials x 1 mL12/14/2017
 2974aOrganics in Freeze-Dried Mussel Tissue (Mytilus edulis)5 g7/19/2016
 2975Diesel Particulate Matter1 g12/3/2013
 2976Trace Elements and Methylmercury in Mussel Tissue (Freeze-Dried)25 g1/26/2018
 3035Arsenic Species in Apple Juice5 x 1.5 mL6/16/2017
 3036Arsenic Acid (AsV) Standard Solution2 x 10 mL2/1/2018
 3037Arsenous Acid (AsIII) Standard Solution2 x 10 mL2/1/2018
 3060Monoester Phthalates in Acetonitrile5 ampoules x 1.2 mL7/26/2016
 3074Phthalates in Methanol5 x 1.2 mL3/5/2013
 3077Aroclor 1242 in Transformer Oil5×1.2 mL6/20/2012
 3079Aroclor 1254 in Transformer Oil5×1.2 mL6/20/2012
 3080Aroclor 1260 in Transformer Oil5×1.2 mL6/20/2012
 3101aAluminum (Al) Standard Solution5 x 10 mL7/17/2015
 3102aAntimony (Sb) Standard Solution50 mL6/15/2016
 3103aArsenic (As) Standard Solution5 x 10 mL3/21/2016
 3104aBarium (Ba) Standard Solution50 mL2/22/2016
 3105aBeryllium (Be) Standard Solution5 x 10 mL5/23/2011
 3107Boron (B) Standard Solution 50 mL10/20/2016
 3108Cadmium (Cd) Standard Solution5 x 10 mL4/24/2013
 3109aCalcium (Ca) Standard Solution5 x 10 mL11/19/2013
 3110Cerium (Ce) Standard Solution5×10 mL12/22/2016
 3111aCesium (Cs) Standard Solution5 x 10 mL12/18/2013
 3112aChromium (Cr) Standard Solution5 x 10 mL1/25/2018
 3114Copper (Cu) Standard Solution50 mL1/25/2018
 3115aDysprosium (Dy) Standard Solution5×10 mL8/18/2016
 3116aErbium (Er) Standard Solution5×10 mL2/28/2018
 3117aEuropium (Eu) Standard Solution5×10 mL2/21/2013
 3118aGadolinium (Gd) Standard Solution5×10 mL2/25/2016
 3119aGallium (Ga) Standard Solution5 x 10 mL10/28/2014
 3120aGermanium (Ge) Standard Solution50 mL10/3/2017
 3121Gold (Au) Standard Solution5 x 10 mL3/14/2018
 3122Hafnium (Hf) Standard Solution50 mL5/27/2016
 3123aHolmium (Ho) Standard Solution5 x 10 mL8/19/2011
 3124aIndium (In) Standard Solution5 x 10 mL2/23/2012
 3126aIron (Fe) Standard Solution5 x 10 mL10/28/2014
 3127aLanthanum (La) Standard Solution5 x 10 mL7/7/2016
 3128Lead (Pb) Standard Solution5 x 10 mL4/18/2011
 3129aLithium (Li) Standard Solution5 x 10 mL3/5/2012
 3130aLutetium (Lu) Standard Solution5 x 10 mL6/14/2011
 3131aMagnesium (Mg) Standard Solution5 x 10 mL3/19/2015
 3133Mercury (Hg) Standard Solution5 x 10 mL12/22/2016
 3134Molybdenum (Mo) Standard Solution5 x 10 mL6/13/2013
 3135aNeodymium (Nd) Standard Solution5 x 10 mL7/21/2015
 3136Nickel (Ni) Standard Solution5 x 10 mL4/23/2013
 3137Niobium (Nb) Standard Solution50 mL6/29/2017
 3138Palladium (Pd) Standard Solution5 x 10 mL10/14/2011
 3140Platinum (Pt) Standard Solution5 x 10 mL10/16/2015
 3141aPotassium (K) Standard Solution5 x 10 mL3/17/2015
 3142aPraseodymium (Pr) Standard Solution5 x 10 mL7/19/2017
 3143Rhenium (Re) Standard Solution5 x 10 mL9/29/2016
 3145aRubidium (Rb) Standard Solution5 x 10 mL2/3/2016
 3147aSamarium (Sm) Standard Solution5 x 10 mL4/20/2016
 3148aScandium (Sc) Standard Solution5 x 10 mL6/14/2011
 3149Selenium (Se) Standard Solution5 x 10 mL7/18/2016
 3150Silicon (Si) Standard Solution50 mL7/21/2015
 3151Silver (Ag) Standard Solution5 x 10 mL12/22/2016
 3152aSodium (Na) Standard Solution50 mL1/16/2018
 3155Tantalum (Ta) Standard Solution50 mL9/6/2016
 3156Tellurium (Te) Standard Solution5 x 10 mL8/23/2016
 3157aTerbium (Tb) Standard Solution5 x 10 ml6/14/2011
 3158Thallium (Tl) Standard Solution5 x 10 mL3/1/2018
 3161aTin (Sn) Standard Solution50 mL11/10/2015
 3163Tungsten (W) Standard Solution50 mL2/13/2015
 3164Uranium (U) Standard Solution (Radioactive)5 x 10 mL12/7/2011
 3165Vanadium (V) Standard Solution 5 x 10 mL7/5/2017
 3166aYtterbium (Yb) Standard Solution5 x 10 mL6/15/2016
 3167aYttrium (Y) Standard Solution5 x 10 mL3/14/2013
 3168aZinc (Zn) Standard Solution5 x 10 mL3/20/2018
 3169Zirconium (Zr) Standard Solution50 mL6/12/2017
 3177Mercuric Chloride Standard Solution5 x 10 mL6/23/2014
 3181Sulfate Anion (SO42–) Standard Solution5 x 10 mL8/9/2017
 3182Chloride Anion (Cl–) Standard Solution5 x 10 mL1/4/2017
 3183Fluoride Anion (F-) Standard Solution50 mL11/16/2016
 3184Bromide Anion (Br-) Standard Solution5 x 10 mL11/16/2016
 3185Nitrate Anion (NO3–) Standard Solution5 x 10 mL8/14/2017
 3186Phosphate Anion (PO43-) Standard Solution5 x 10 mL1/16/2018
 3222Cigarette Tobacco Filler20 x 10 g8/23/2016
 3232Kelp Powder (Thallus laminariae)3 pouches x 5 g5/8/2017
 3233Fortified Breakfast Cereal60 g each6/14/2017
 3234Soy Flour50 g10/25/2017
 3235Soy Milk10 x 10 mL2/21/2017
 3236Soy Protein Isolate5 x 10 g4/8/2014
 3237Soy Protein Concentrate5 x 10 g10/17/2014
 3238Soy-Containing Solid Oral Dosage Form5 x 10 g5/21/2014
 3239Isoflavones Calibration Solutions10 x 1.2 mL6/15/2016
 3246Ginkgo biloba (Leaves)5 X 3 g8/7/2014
 3247Ginkgo biloba (Extract)5 x 1 g8/11/2014
 3248Ginkgo-Containing Tablets5 x 1 g9/4/2014
 3250Saw Palmetto (Serenoa repens) Fruit5 x 6 g6/6/2017
 3251Saw Palmetto (Serenoa repens) Extract5 x 1 mL6/12/2017
 3252Protein Drink Mix5 pouches x 10 g each9/10/2015
 3253Yerba Mate Leaves2 x 10 g4/12/2018
 3254Green Tea (Camellia sinensis) Leaves5 x 3 g2/7/2018
 3255Green Tea (Camellia sinensis) Extract5 x 1 g2/9/2018
 3256Green Tea-Containing Solid Oral Dosage Form5 x 2.5 g9/4/2015
 3257Catechin Calibration Solutions12 x 2 mL1/14/2016
 3262St. John’s Wort (Hypericum perforatum L.) Aerial Parts5 packets x 3.3 grams9/14/2016
 3274Botanical Oils Containing Omega-3 and Omega-6 FattyAcids4 x 1.2 mL6/25/2015
 3275Omega-3 and Omega-6 Fatty Acids in Fish Oil3 ea (2 ampoule x 1.2 mL)6/8/2016
 3278Tocopherols in Edible Oils5 x 1 mL8/9/2016
 3280Multivitamin/Multielement Tablets30 tablets x 5 bottles5/11/2016
 3281Cranberry (Fruit)5 x 6 g8/28/2017
 3282Low-Calorie Cranberry Juice Cocktail5 x 1.2 mL3/28/2016
 3286Organic Acids Calibration Solution5 x 2 mL2/24/2016
 3287Blueberry (Fruit)5 pouches x 5 g each12/19/2016
 3290Dry Cat Food5 pouches x 10 g each2/5/2018
 3451Low Temperature Seebeck Coefficient Standardbar10/13/2011
 3530Iodized Table Salt (Iodide)1 bottle x 200 g3/30/2016
 3532Calcium-Containing Solid Oral Dosage Form5 x 10 g11/18/2015
 3600Absolute Intensity Calibration Standard for Small-Angle X-ray Scatteringcoupon6/17/2016
 3667Creatinine in Frozen Human Urine1 bottle x 10 mL10/20/2017
 3668Mercury, Perchlorate, and Iodide in Frozen Human Urine10 vials x 1.5 mL11/3/2011
 3669Arsenic Species in Frozen Human Urine (Elevated Levels)5 vials x 1.5 mL12/3/2015
 3671Nicotine Metabolites in Human Urine (Frozen)3 vials x 10 mL12/3/2015
 3672Organic Contaminants in Smokers’ Urine (Frozen)5 vials x 10 mL12/4/2015
 3673Organic Contaminants in Non-Smokers’ Urine (Frozen)5 vials x 10 mL12/28/2015
 3950Vitamin B6 in Frozen Human Serum2 vials x 1 mL12/28/2015
 4222dCarbon-14-n-hexadecane Radioactivity Standard5 mL11/1/2017
 4226DNickel-63 Radioactivity Standard 5 mL1/11/2017
 4239Strontium-90 Radioactivity Standard Solution5 mL3/1/2008
 4274Holmium-166m Gamma-ray Emission Rate Standard 5 mL6/1/2006
 4288BTechnetium-99 Radioactivity Standard 5 mL4/30/2010
 4320bCurium-244 Radioactivity Standard5 mL8/17/2012
 4321dNatural Uranium Radioactivity Standard5 mL11/29/2017
 4323cPlutonium-238 Radioactivity Standard5 mL11/3/2017
 4326aPolonium-209 Radioactivity Standard5 mL5/8/2015
 4328CThorium-229 Radioactivity Standard Solution5 mL12/20/2013
 4330CPlutonium-239 Radioactivity Standard 3 mL4/16/2010
 4332EAmericium-243 Radioactivity Standard 5 mL2/22/2010
 4334jPlutonium-242 Radioactivity Standard5 mL5/30/2018
 4337Lead-210 Radioactivity Standard 5 mL11/1/2006
 4339bRadium-228 Radioactivity Solution5 mL11/14/2012
 4340BPlutonium-241 Radioactivity Standard 5 mL3/31/2008
 4341aNeptunium-237 Radioactivity Standard5 mL3/26/2013
 4342AThorium-230 Radioactivity Standard 5 mL7/1/2007
 4350BRiver Sediment Environmental Radioactivity Standard85 g11/3/2015
 4351Human Lung Environmental Radioactivity Standard45 g11/30/2015
 4352Human Liver Environmental Radioactivity Standard45 g12/8/2016
 4353ARocky Flats Soil Number 290 g7/1/2007
 4354Freshwater Lake Sediment Environmental Radioactivity Standard25 g12/8/2016
 4356Ashed Bone (Radioactivity)15 g1/1/2000
 4357Ocean Sediment Powder85 g3/1/1997
 4358Ocean Shellfish Radionuclide Standard150 g4/8/2015
 4359Seaweed Radionuclide Standard300 g11/1/2005
 4361CHydrogen-3 Radioactivity Standard500 mL5/1/2008
 4915FCobalt-60 Radioactivity Standard Solution5 mL11/1/2005
 4919IStrontium-90 Radioactivity Standard 5 mL3/1/2008
 4926EHydrogen-3 Radioactivity Standard20 mL2/7/2011
 4927gHydrogen-3 Radioactivity Standard5 mL11/5/2015
 4929FIron-55 Radioactivity Standard5 mL5/30/2006
 4943Chlorine-36 Radioactivity Standard 3 mL12/1/1984
 4949dIodine-129 Radioactivity Standard5 mL9/14/2015
 4965aRadium-226 Radioactivity Standard5 mL9/16/2015
 4966ARadium-226 Radioactivity Standard 5 mL7/31/2008
 4967ARadium-226 Radioactivity Standard Solution5 mL9/3/2013
 4969Radium-226 Radioactivity Standard 5 mL10/1/1999
 4990COxalic Acid 8 x 28 g7/1/1983
 6002aMulti-Junction Thermal Converter – 600 ohmseach7/11/2017
 6002bMulti-Junction Thermal Converter – 1040 ohmseach7/11/2017
 6003aPortable Vacuum Standardeach4/29/2016
 6003bPortable Vacuum Standard 1 Pa to 700kPa (Commercial Mercury Manometer Replacement)each4/29/2016
 8010Sand for Sand Sieve Analysis3 x 150 g5/18/2004
 8017Polyvinylpyrrolidone Coated Silver Nanoparticles (Nominal Diameter 75 nm)5 vials2/4/2015
 8091Scanning Electron Microscope Sharpness Standardeach7/5/2001
 8095Si1-xGex Films on Si2 wafers, 1 each level7/19/2011
 8281Single-Wall Carbon Nanotubes (Dispersed, Three Length-Resolved Populations)4 x 2.5 mL11/3/2017
 8321Peptide Mixture for Proteomics3 vials x 50 uL12/28/2015
 8323Yeast Protein Extract3 vials x 0.2 mL2/20/2018
 8366EGFR and MET Gene Copy Number Standards for Cancer Measurements6 vials, 100 µL each3/14/2018
 8375Microbial Genomic DNA Standards for Sequencing Performance Assessment4 vials, 1 each level5/8/2018
  (MG-001, MG-002, MG-003, MG-004)
 8391Human DNA for Whole-Genome Variant Assessment (Son of Eastern European Ashkenazim Jewish Ancestry)1 vial9/8/2016
 8392Human DNA for Whole-Genome Variant Assessment (Trio of Eastern European Ashkenazim Jewish Ancestry)3 vials9/8/2016
 8393Human DNA for Whole-Genome Variant Assessment (Son of Chinese Ancestry)1 vial10/26/2016
 8394Tissue Engineering Reference Scaffolds for Cell Culture24 scaffolds4/24/2013
 8398Human DNA for Whole-Genome Variant Assessment (Daughter of Utah/European Ancestry)1 vial11/24/2015
 8420Electrolytic Iron0.64 D x 5.05/14/1984
 8441aWheat Hardness (kernel form)set (50)5/5/2016
 8445Spray-Dried Whole Egg for Allergen Detection5 g12/30/2013
 8446Perfluorinated Carboxylic Acids and Perfluorooctane Sulfonamide in Methanol4 x 1.2 mL3/18/2014
 8447Perfluorinated Sulfonic Acids in Methanol3 x 1.2 mL6/2/2014
 8455Pyrite Ore Bioleaching Substrate100 g4/19/1991
 8491Sugarcane Bagasse Whole Biomass Feedstock50 g2/28/2011
 8492Eastern Cottonwood Whole Biomass Feedstock50 g2/28/2011
 8493Monterey Pine Whole Biomass Feedstock50 g2/28/2011
 8494Wheat Straw Whole Biomass Feedstock50 g3/26/2014
 8495Northern Softwood10 sheets10/22/1991
 8496Eucalyptus Hardwood10 sheets10/22/1991
 8505Vanadium in Crude Oil250 mL10/1/1983
 8506aMoisture in Transformer Oil5×9.5mL1/31/2011
 8509Moisture in Methanolset (5)6/12/1997
 8510Moisture in Methanolset (5)6/12/1997
 8529IAEA-S-3 (Sulfur Isotopes in Silver Sulfide)1 bottle x 0.5g2/11/2013
 8536GISP-Water20 mL1/31/2012
 8537SLAP-Water Light Stable Isotopic Standard20 mL3/3/2005
 8539NBS22 Oil (Carbon and Hydrogen Isotopes in Oil)1 mL2/6/2013
 8540IAEA-CH-7 (Carbon and Hydrogen Isotopes in Polyethylene Foil)3.5 g2/6/2013
 8541USGS24 Graphite0.8 g5/4/2011
  (Carbon Isotopes in Graphite)
 8543NBS 18 0.4 g4/9/2013
  (Carbon Isotopes in Carbonatite)
 8546NBS28 (Silicon and Oxygen Isotopes in Silica Sand)0.4 g3/12/2015
 8547IAEA-N-10.4 g1/30/2013
  (Nitrogen Isotopes in Ammonium Sulfate)
 8548IAEA-N-2 (Nitrogen Isotopes in Ammonium Sulfate)0.4 g1/30/2013
 8550USGS250.5 g1/30/2013
  (Nitrogen Isotopes in Ammonium Sulfate)
 8551USGS260.5 g1/30/2013
  (Nitrogen Isotopes in Ammonium Sulfate)
 8552NSVEC300 umol1/30/2013
  (Nitrogen Isotopes in Gaseous Nitrogen)
 8553IAEA-S-4 (Soufre De Lacq)0.5 g1/30/2013
  (Sulfur Isotopes in Elemental Sulfur) 
 8554IAEA-S-1 (Sulfur Isotopes in Silver Sulfide)0.5 g1/30/2013
 8555IAEA-S-2 (Sulfur Isotopes in Silver Sulfide)0.5 g1/30/2013
 8556NBS1231.5 g1/30/2013
  (Sulfur Isotopes in Sphalerite)
 8557NBS127 0.5 g1/30/2013
  (Sulfur and Oxygen Isotopes in Barium Sulfate)
 8558USGS32 Nitrogen and Oxygen Isotopes in Nitrate0.9 g2/5/2008
 8568USGS34 Nitrogen and Oxygen Isotopes in Nitrate0.9 g2/5/2008
 8569USGS35 Nitrogen and Oxygen Isotopes in Nitrate0.9 g2/5/2008
 8573L-glutamic Acid USGS40(Light Carbon and Nitrogen Isotopes in L-glutamic Acid)1 g12/18/2007
 8574L-glutamic Acid USGS41 (Heavy Carbon and Nitrogen Isotopes in L-glutamic Acid)0.5 g12/18/2007
 8599Henderson Molybdenite10 g3/30/2011
 8610Mercury Isotopes in UM-Almaden Mono-Elemental Secondary Standard4 x 5 mL5/5/2017
 8631aMedium Test Dust (MTD)20 g2/20/2008
 8632Ultra Fine Test Dust (UFTD)20 g10/9/1998
 8642aFDA Saxitoxin Dihydrochloride Solution5 ampoules x 1.2 mL2/15/2017
 8671NISTmAb, Humanized IgG1κ Monoclonal Antibody1 vial x 800 uL10/6/2016
 8680Paint on Fiberboard, Nominal 1 to 2 mg/cm2 Leadeach8/11/1999
 8785Air Particulate Matter on Filter Media3 filters4/3/2018
 8786Filter Blank for RM 8785filter3/27/2018
 8850Zeolite Y35-40 g7/26/2006
 8851Zeolite A35-40 g9/8/2006
 8852Ammonium ZSM-5 Zeolite35-40 g7/26/2006
 8983Silicon Nitride 4.5 g2/12/2013
 8988Titanium Dioxide Powder – Particle Size Distribution6 g6/24/2013
 C2415aBattery Lead (UNS 52770)disk8/7/2014
 C1252aPhosphorus Deoxidized Copper – Cu IXblock10/2/2014
 C1114Gilding Metal C (block)disk10/1/1981
 C1115Commercial Bronze A (block)disk11/23/1981
 C1117Commercial Bronze C (block)disk11/23/1981
 C1137aWhite Cast Irondisk9/18/1996
 C1145aWhite Cast Irondisk1/4/1988
 C1151aStainless Steel 23Cr-7Nidisk12/30/1992
 C1152aStainless Steel 18Cr-11Nidisk2/12/1990
 C1153aStainless Steel 17Cr-9Nidisk9/12/1990
 C1154aStainless Steel 19Cr-13Nidisk6/26/1992
 C1173Cast Steel 3disk6/9/1989
 C1248Nickel-Copper Alloydisk12/16/1986
 C1251aPhosphorus Deoxidized Copper – Cu VIIIblock10/2/2014
 C1253aPhosphorus Deoxidized Copper – Cu Xblock10/2/2014
 C1285LA Steel (A242) (mod.)disk6/8/1982
 C1290High-Alloy White Cast Iron (HC-250+V)disk1/14/1985
 C1291High-Alloy White Cast Iron (Ni-Hard, Type I)disk1/14/1985
 C1296Stainless Steeldisk12/6/1991
 C2400Fe-Cr-Ni Alloy UNS J92180 (disk form)disk7/22/2016
 C2402Hastelloy7Cdisk2/19/1986
 C2416Bullet Leaddisk2/16/1988
 C2417Lead-Base Alloydisk2/1/1987
 C2418High-Purity Leaddisk2/16/1987
 C2424Ductile Iron Cdisk7/15/1985
     
 

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