EPA Methods Standards

Environmental Protection Agency standards suitable for use as reference materials for assaying environmental sample conditions; includes standards for use in determining air, water, and soil quality.

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Polynuclear Aromatic Hydrocarbons Combination Mix, SPEX CertiPrep™

ISO/IEC Guide 34 Certified, NIST-Traceable Certified Reference Material

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Acetonitrile, SPEX CertiPrep™

CAS: 75-05-8 Molecular Formula: C2H3N Molecular Weight (g/mol): 41.053 InChI Key: WEVYAHXRMPXWCK-UHFFFAOYSA-N PubChem CID: 6342 ChEBI: CHEBI:38472 IUPAC Name: acetonitrile SMILES: CC#N

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Specifications

PubChem CID	6342
CAS	75-05-8
Molecular Weight (g/mol)	41.053
ChEBI	CHEBI:38472
SMILES	CC#N
IUPAC Name	acetonitrile
InChI Key	WEVYAHXRMPXWCK-UHFFFAOYSA-N
Molecular Formula	C2H3N

TCLP Standard 1 For Environmental Analysis, SPEX CertiPrep™

CAS: 7697-37-2 Molecular Formula: HNO3 Molecular Weight (g/mol): 63.01 MDL Number: MFCD00011349 InChI Key: GRYLNZFGIOXLOG-UHFFFAOYSA-N PubChem CID: 944 ChEBI: CHEBI:48107 IUPAC Name: nitric acid SMILES: O[N+]([O-])=O

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Specifications

PubChem CID	944
CAS	7697-37-2
Molecular Weight (g/mol)	63.01
ChEBI	CHEBI:48107
MDL Number	MFCD00011349
SMILES	O[N+]([O-])=O
IUPAC Name	nitric acid
InChI Key	GRYLNZFGIOXLOG-UHFFFAOYSA-N
Molecular Formula	HNO3

Decachlorobiphenyl Stock Standard, SPEX CertiPrep™

CAS: 2051-24-3 Molecular Formula: C12Cl10 Molecular Weight (g/mol): 498.632 InChI Key: ONXPZLFXDMAPRO-UHFFFAOYSA-N PubChem CID: 16318 ChEBI: CHEBI:34666 IUPAC Name: 1,2,3,4,5-pentachloro-6-(2,3,4,5,6-pentachlorophenyl)benzene SMILES: C1(=C(C(=C(C(=C1Cl)Cl)Cl)Cl)Cl)C2=C(C(=C(C(=C2Cl)Cl)Cl)Cl)Cl

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Specifications

PubChem CID	16318
CAS	2051-24-3
Molecular Weight (g/mol)	498.632
ChEBI	CHEBI:34666
SMILES	C1(=C(C(=C(C(=C1Cl)Cl)Cl)Cl)Cl)C2=C(C(=C(C(=C2Cl)Cl)Cl)Cl)Cl
IUPAC Name	1,2,3,4,5-pentachloro-6-(2,3,4,5,6-pentachlorophenyl)benzene
InChI Key	ONXPZLFXDMAPRO-UHFFFAOYSA-N
Molecular Formula	C12Cl10

Purgeable Gases, Mix B, High Level, SPEX CertiPrep™

ISO/IEC Guide 34 Certified, NIST-Traceable Certified Reference Material

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Mixed Calibration Standard 2 For Environmental Analysis, SPEX CertiPrep™

ISO/IEC Guide 34 Certified, NIST-Traceable Certified Reference Material

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Specifications

Type	Certified Reference Material
Concentration or Composition Notes	Up to 68 elements are scanned with found values for ICP and ICP-MS standards. The found value of the trace metallic impurities is reported on the Certificate of Analysis.
Concentration or Composition (by Analyte or Components)	Components in 5% HNO₃: Ba •100μg/mL Co •100μg/mL Cu •100μg/mL Fe •10, 000μg/mL V •100μg/mL
For Use With (Equipment)	AA, ICP, ICP/MS, IC, XRF, and Other Analytical Instrumentation
Health Hazard 1	Causes severe skin burns and eye damage
Packaging	Triple-leached LDPE bottle
DOT Information	Hazardous
Chemical Name or Material	Mixed Calibration Standard 2
Grade	Environmental
Recommended Storage	Ambient
Technique	AA,ICP
Solvent or Matrix	5% HNO3

Polynuclear Aromatic Hydrocarbons, SPEX CertiPrep™

ISO/IEC Guide 34 Certified, NIST-Traceable Certified Reference Material

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Aroclor 1260, SPEX CertiPrep™

CAS: 11096-82-5 Molecular Formula: C12H4Cl6 Molecular Weight (g/mol): 360.864 InChI Key: BTAGRXWGMYTPBY-UHFFFAOYSA-N PubChem CID: 38018 IUPAC Name: 1,2,3-trichloro-4-(2,3,4-trichlorophenyl)benzene SMILES: C1=CC(=C(C(=C1C2=C(C(=C(C=C2)Cl)Cl)Cl)Cl)Cl)Cl

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Specifications

PubChem CID	38018
CAS	11096-82-5
Molecular Weight (g/mol)	360.864
SMILES	C1=CC(=C(C(=C1C2=C(C(=C(C=C2)Cl)Cl)Cl)Cl)Cl)Cl
IUPAC Name	1,2,3-trichloro-4-(2,3,4-trichlorophenyl)benzene
InChI Key	BTAGRXWGMYTPBY-UHFFFAOYSA-N
Molecular Formula	C12H4Cl6

Aroclor 1254, SPEX CertiPrep™

CAS: 11097-69-1 Molecular Formula: C12H5Cl5 Molecular Weight (g/mol): 326.422 InChI Key: AUGNBQPSMWGAJE-UHFFFAOYSA-N PubChem CID: 40470 IUPAC Name: 1,2,3-trichloro-4-(2,3-dichlorophenyl)benzene SMILES: C1=CC(=C(C(=C1)Cl)Cl)C2=C(C(=C(C=C2)Cl)Cl)Cl

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Specifications

PubChem CID	40470
CAS	11097-69-1
Molecular Weight (g/mol)	326.422
SMILES	C1=CC(=C(C(=C1)Cl)Cl)C2=C(C(=C(C=C2)Cl)Cl)Cl
IUPAC Name	1,2,3-trichloro-4-(2,3-dichlorophenyl)benzene
InChI Key	AUGNBQPSMWGAJE-UHFFFAOYSA-N
Molecular Formula	C12H5Cl5

Internal Standard, 2,4,5,6-Tetrachloro-m-xylene, SPEX CertiPrep™

CAS: 877-09-8 Molecular Formula: C8H6Cl4 Molecular Weight (g/mol): 243.936 InChI Key: NTUBJKOTTSFEEV-UHFFFAOYSA-N PubChem CID: 70139 IUPAC Name: 1,2,3,5-tetrachloro-4,6-dimethylbenzene SMILES: CC1=C(C(=C(C(=C1Cl)Cl)Cl)C)Cl

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Specifications

PubChem CID	70139
CAS	877-09-8
Molecular Weight (g/mol)	243.936
SMILES	CC1=C(C(=C(C(=C1Cl)Cl)Cl)C)Cl
IUPAC Name	1,2,3,5-tetrachloro-4,6-dimethylbenzene
InChI Key	NTUBJKOTTSFEEV-UHFFFAOYSA-N
Molecular Formula	C8H6Cl4

Trihalomethanes, High Level, SPEX CertiPrep™

ISO/IEC Guide 34 Certified, NIST-Traceable Certified Reference Material

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Pyridine, SPEX CertiPrep™

CAS: 110-86-1 Molecular Formula: C5H5N Molecular Weight (g/mol): 79.102 InChI Key: JUJWROOIHBZHMG-UHFFFAOYSA-N PubChem CID: 1049 ChEBI: CHEBI:16227 IUPAC Name: pyridine SMILES: C1=CC=NC=C1

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Specifications

PubChem CID	1049
CAS	110-86-1
Molecular Weight (g/mol)	79.102
ChEBI	CHEBI:16227
SMILES	C1=CC=NC=C1
IUPAC Name	pyridine
InChI Key	JUJWROOIHBZHMG-UHFFFAOYSA-N
Molecular Formula	C5H5N

Phthalate Esters Mix, SPEX CertiPrep™

ISO/IEC Guide 34 Certified, NIST-Traceable Certified Reference Material

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Mixed Calibration Standard 4A For Environmental Analysis, SPEX CertiPrep™

ISO/IEC Guide 34 Certified, NIST-Traceable Certified Reference Material

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Specifications

Type	Certified Reference Material
Concentration or Composition Notes	Up to 68 elements are scanned with found values for ICP and ICP-MS standards. The found value of the trace metallic impurities is reported on the Certificate of Analysis.
Concentration or Composition (by Analyte or Components)	Components in 5% HNO₃/tr. HF. Mercury is supplied separately. Al •100μg/mL Cr •50μg/mL Hg •100μg/mL SiO₂ •100μg/mL Sn •40μg/mL Ti •100μg/mL Zn •50μg/mL
For Use With (Equipment)	AA, ICP, ICP/MS, IC, XRF, and Other Analytical Instrumentation
Health Hazard 1	Danger: Causes severe skin burns and eye damage Do not breathe dusts or mists. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. If in eyes, rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediately call a poison center/doctor. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.
Packaging	Triple-leached LDPE bottle
DOT Information	Hazardous
Chemical Name or Material	Mixed Calibration Standard 4A
Grade	Environmental
Recommended Storage	Ambient
Technique	AA,ICP
Solvent or Matrix	Nitric Acid/Trace Hydrogen Fluoride

Cyclohexane, SPEX CertiPrep™

CAS: 110-82-7 Molecular Formula: C6H12 Molecular Weight (g/mol): 84.16 MDL Number: MFCD00003814 InChI Key: XDTMQSROBMDMFD-UHFFFAOYSA-N PubChem CID: 8078 ChEBI: CHEBI:29005 IUPAC Name: cyclohexane SMILES: C1CCCCC1

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Specifications

PubChem CID	8078
CAS	110-82-7
Molecular Weight (g/mol)	84.16
ChEBI	CHEBI:29005
MDL Number	MFCD00003814
SMILES	C1CCCCC1
IUPAC Name	cyclohexane
InChI Key	XDTMQSROBMDMFD-UHFFFAOYSA-N
Molecular Formula	C6H12

EPA Methods Standards

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Polynuclear Aromatic Hydrocarbons Combination Mix, SPEX CertiPrep™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Acetonitrile, SPEX CertiPrep™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

TCLP Standard 1 For Environmental Analysis, SPEX CertiPrep™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Decachlorobiphenyl Stock Standard, SPEX CertiPrep™ GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Purgeable Gases, Mix B, High Level, SPEX CertiPrep™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Mixed Calibration Standard 2 For Environmental Analysis, SPEX CertiPrep™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Polynuclear Aromatic Hydrocarbons, SPEX CertiPrep™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Aroclor 1260, SPEX CertiPrep™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Aroclor 1254, SPEX CertiPrep™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Internal Standard, 2,4,5,6-Tetrachloro-m-xylene, SPEX CertiPrep™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Trihalomethanes, High Level, SPEX CertiPrep™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Pyridine, SPEX CertiPrep™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Phthalate Esters Mix, SPEX CertiPrep™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Mixed Calibration Standard 4A For Environmental Analysis, SPEX CertiPrep™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Cyclohexane, SPEX CertiPrep™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Polynuclear Aromatic Hydrocarbons Combination Mix, SPEX CertiPrep™

Acetonitrile, SPEX CertiPrep™

TCLP Standard 1 For Environmental Analysis, SPEX CertiPrep™

Decachlorobiphenyl Stock Standard, SPEX CertiPrep™

Purgeable Gases, Mix B, High Level, SPEX CertiPrep™

Mixed Calibration Standard 2 For Environmental Analysis, SPEX CertiPrep™

Polynuclear Aromatic Hydrocarbons, SPEX CertiPrep™

Aroclor 1260, SPEX CertiPrep™

Aroclor 1254, SPEX CertiPrep™

Internal Standard, 2,4,5,6-Tetrachloro-m-xylene, SPEX CertiPrep™

Trihalomethanes, High Level, SPEX CertiPrep™

Pyridine, SPEX CertiPrep™

Phthalate Esters Mix, SPEX CertiPrep™

Mixed Calibration Standard 4A For Environmental Analysis, SPEX CertiPrep™

Cyclohexane, SPEX CertiPrep™