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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-521

8270 Calibration Mix 3 - 23 Components at 2000ppm each

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  • Brand NSI
  • Concentration 2000ppm
  • Raw Material >95% min
  • Certification Grav &/ Volumetric w/analytical confirmation
SKU: C-520

8270 Calibration Mix 2 - 2000ppm each

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  • Brand NSI
  • Concentration 2000ppm
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
SKU: C-519

8270 Calibration Mix 1 - 2000ppm each

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  • Brand NSI
  • Concentration 2000ppm
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
SKU: C-518

625 SV Organics Mix

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
SKU: C-517

624 Surrogate Mix

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  • Brand NSI
  • Raw Material >95% min
  • Certification Grav &/ Volumetric w/analytical confirmation
SKU: C-496

8082 Arochlor Mix(1016/1260) 1000ppm each

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  • Brand NSI
  • Concentration 1000ppm
  • Raw Material >95% min
  • Certification Grav &/ Volumetric w/analytical confirmation
SKU: C-491

8270 Tuning Mix

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  • Brand NSI
  • Raw Material >95% min
  • Certification Grav &/ Volumetric w/analytical confirmation
SKU: C-482

TCLP Volatiles Mix

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
SKU: C-481

8021 Internal Standards

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
SKU: C-477

524.2 Fortification Std

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  • Brand NSI
  • Raw Material >95% min
  • Certification Grav &/ Volumetric w/analytical confirmation
SKU: C-475

502.2 Internal Std 2

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  • Brand NSI
  • Raw Material >95% min
  • Certification Grav &/ Volumetric w/analytical confirmation
SKU: C-452

Method 601 Halocarbons Mix-22

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