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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Internal Standard, SPEX CertiPrep™

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

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Specifications

Concentration or Composition Notes	Certificate of Analysis reports target analytes to a +/−2% accuracy and correct for raw material purity.
Name Note	EPA Method 625, SW-846 Method 8270C, CLP Methods
Concentration or Composition (by Analyte or Components)	4000μg/mL
For Use With (Equipment)	GC, GC/MS, HPLC, LC/MS, and Other Analytical Instrumentation
Packaging	2mL amber prescored glass ampule
DOT Information	Non-Hazardous
Chemical Name or Material	Internal Standard
Recommended Storage	Ambient
Solvent or Matrix	Methylene Chloride
Methods	For US EPA Methods 625, 8270C, CLP

Surrogate Standard, SPEX CertiPrep™

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Surrogate Standard, SPEX CertiPrep™

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Internal Standard, SPEX CertiPrep™

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

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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

Polyethylene QC Standard Blank, SPEX CertiPrep™

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

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Internal Standard, Triphenyl Phosphate, SPEX CertiPrep™

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Phthalates in Polyethylene Standard, SPEX CertiPrep™

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

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Mixed Calibration Standard 3A 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: Co •20μg/mL P •100μg/mL V •20μg/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 3A
Grade	Environmental
Recommended Storage	Ambient
Technique	AA,ICP
Solvent or Matrix	5% HNO3

Mixed Calibration Standard 3 For Environmental Analysis, SPEX CertiPrep™

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

Pricing and Availability
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 2% HNO₃/tr. HF: As •500μg/mL Mo •100μg/mL Si •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	ICP Mixed Calibration Standard 3
Grade	Environmental
Recommended Storage	Ambient
Technique	AA,ICP
Solvent or Matrix	Nitric Acid/Trace Hydrogen Fluoride

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

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

Pricing and Availability
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

EPA Methods Standards

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