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Organic, Inorganic, Microbiology & PT Reference Materials for Environmental Testing

We offer organic, inorganic, microbiology, and proficiency testing (PT) reference materials for environmental testing. Choosing environmental reference materials from ZeptoMetrix means accurate and robust chemical and microbiological certified reference materials (CRMs). Our standards are certified for various environmental methods (e.g., EPA, Standard Methods, AOAC, ASTM). Every COA includes certified values for a variety of analytical techniques. We provide custom reference material manufacturing under ISO 17034. Our CRMs increase your laboratory’s efficiency and provide confidence in the accuracy of your results.

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Wastewater Standards

Manufactured from the highest purity water and analytically verified neat source materials. Our CRMs are ISO 17034 accredited.

Drinking Water Standards

A wide range of CRMs for drinking water analysis to help ensure environmental and human health.

Soil/UST Standards

Meet foundational regulations designed to protect the environment and public health from hazards associated with underground storage tanks.

SNIP™ Standards

NSI SNIP™ standards are the easiest-to-use control standards for wastewater testing — pre-measured, ready-to-use single-use tubes that require no pipetting.

Pesticides Standards

Support analysis of hundreds of commercial pesticides with ready-to-use mixes and single-compound CRMs.

PFAS

CRMs to analyze per- and polyfluoroalkyl substances (PFAS), the synthetically made organofluorine compounds commonly known as “forever chemicals.”

Microplastics

Chiron MicroPRefs® — the first commercial microplastic reference materials — in an easy-to-use formulation.

6PPD-Quinone Standards

Help protect aquatic life with standards for 6PPD-quinone testing.

Organotins

Broad and unique inventory of organotin reference materials used across industries for antibacterial and fungicidal applications.

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4,845 Items found

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SKU: C-754

8330A Calibration Mix 2 100ug/mL in Acetonitrile (1.5mL)

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  • Brand NSI
  • Matrix Acetonitrile
  • Concentration 100ug/mL
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
SKU: C-753

8330A Calibration Mix 1

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  • Brand NSI
  • Raw Material >95% min
  • Certification Grav &/ Volumetric w/analytical confirmation
SKU: C-752

Oxygenates Standard, 6 Components at Varied Concentrations

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  • Brand NSI
  • Raw Material >95% min
  • Certification Grav &/ Volumetric w/analytical confirmation
SKU: C-732

App IX SVOC Mix 2

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
SKU: C-731

App IX SVOC Mix 1

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
SKU: C-717

Ketones Mix II

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  • Brand NSI
  • Raw Material >95% min
  • Certification Grav &/ Volumetric w/analytical confirmation
SKU: C-716

Drinking Water VOC CRM

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  • Brand NSI
  • Raw Material >95% min
  • Certification Grav &/ Volumetric w/analytical confirmation
SKU: C-715

524.2 Surrogate Mix 2

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  • Brand NSI
  • Raw Material >95% min
  • Certification Grav &/ Volumetric w/analytical confirmation
SKU: C-714

524.2 Surrogate Mix 1

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  • Brand NSI
  • Raw Material >95% min
  • Certification Grav &/ Volumetric w/analytical confirmation
SKU: C-701

8270 BNA Mix - 76 Components in Methylene Chloride

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  • Brand NSI
  • Raw Material >95% min
  • Certification Grav &/ Volumetric w/analytical confirmation
SKU: C-700

8260 VOC Mix 78 Components at 2000ppm each

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  • Brand NSI
  • Concentration 2000ppm
  • Raw Material >95% min
  • Certification Grav &/ Volumetric w/analytical confirmation
SKU: C-695

505 Organochlorine Pesticides

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
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