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.

Search Within Results

76 – 90 of 991 results

Initial Combination Calibration Stock Standard, 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

Pricing & Availability
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

EPA Method 524.2 Mix with Gasses, SPEX CertiPrep™

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

Pricing & Availability

Surrogate Standard, SPEX CertiPrep™

CAS: 110-56-5 Molecular Formula: C4H8Cl2 Molecular Weight (g/mol): 127.01 MDL Number: MFCD00001011 InChI Key: KJDRSWPQXHESDQ-UHFFFAOYSA-N PubChem CID: 8059 IUPAC Name: 1,4-dichlorobutane SMILES: ClCCCCCl

Pricing & Availability
Specifications

PubChem CID	8059
CAS	110-56-5
Molecular Weight (g/mol)	127.01
MDL Number	MFCD00001011
SMILES	ClCCCCCl
IUPAC Name	1,4-dichlorobutane
InChI Key	KJDRSWPQXHESDQ-UHFFFAOYSA-N
Molecular Formula	C4H8Cl2

TCLP Volatiles Spike, SPEX CertiPrep™

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

Pricing & Availability

Volatile Organics Combination Mix, Analyte Mixes A, C, and D, SPEX CertiPrep™

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

Pricing & Availability

USP Oral Elemental Impurities A, SPEX CertiPrep™

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

Pricing & Availability

Interference Check Standard 2 For ICP/MS, SPEX CertiPrep™

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

Pricing & Availability

Spex CertiPrep™ Phenolics Mix A for CLP Series Methods

Analytical standard for analysis of aqueous or solid samples for VOCs

Pricing & Availability

Spex CertiPrep™ Free Acids Analyte Mix for US EPA Method 552

Analytical standards for drinking water, wastewater, and solid waste

Pricing & Availability

Purgeable Gases, Mix B, SPEX CertiPrep™

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

Pricing & Availability

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

Pricing & Availability
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

Decachlorobiphenyl, 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

Pricing & Availability
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

2-Chloroethylvinyl Ether, SPEX CertiPrep™

CAS: 110-75-8 Molecular Formula: C4H7ClO Molecular Weight (g/mol): 106.549 InChI Key: DNJRKFKAFWSXSE-UHFFFAOYSA-N PubChem CID: 8074 IUPAC Name: 1-chloro-2-ethenoxyethane SMILES: C=COCCCl

Pricing & Availability
Specifications

PubChem CID	8074
CAS	110-75-8
Molecular Weight (g/mol)	106.549
SMILES	C=COCCCl
IUPAC Name	1-chloro-2-ethenoxyethane
InChI Key	DNJRKFKAFWSXSE-UHFFFAOYSA-N
Molecular Formula	C4H7ClO

Polynuclear Aromatic Hydrocarbons, SPEX CertiPrep™

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

Pricing & Availability

Acrolein and Acrylonitrile in Methanol Purge and Trap, SPEX CertiPrep™

Pricing & Availability

EPA Methods Standards

Filtered Search Results

Narrow Results

Initial Combination Calibration Stock Standard, SPEX CertiPrep™ GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More

Initial Combination Calibration Stock Standard, SPEX CertiPrep™