Skip to Main Content

Select country

Select your country

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.

Search by Category

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.

Categories and filters

Filter / Sorting

Categories

Brand

Accreditations

Product Type

Regulatory Method

Instrument / Test

Analyte - Single / Multi

CAS #

Strain

Analyte / Component

Microorganism

3,987 Items found

Per Page:
Sort by:
NPW - Supplemental Volatiles NPW - Supplemental Volatiles
SKU: QCO-119

NPW - Supplemental Volatiles

Login to view pricing
  • Brand NSI
  • Matrix Methanol
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
NPW - Low Level Halocarbons - Blind NPW - Low Level Halocarbons - Blind
SKU: QCO-103B

NPW - Low Level Halocarbons - Blind

Login to view pricing
  • Brand NSI
  • Matrix Methanol solution
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
NPW - Low Level Halocarbons NPW - Low Level Halocarbons
SKU: QCO-103

NPW - Low Level Halocarbons

Login to view pricing
  • Brand NSI
  • Matrix Methanol
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
NPW -Gasoline Range Organics (GRO) - Blind NPW -Gasoline Range Organics (GRO) - Blind
SKU: QCO-102B

NPW -Gasoline Range Organics (GRO) - Blind

Login to view pricing
  • Brand NSI
  • Matrix Methanol solution
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
NPW -Gasoline Range Organics (GRO) NPW -Gasoline Range Organics (GRO)
SKU: QCO-102

NPW -Gasoline Range Organics (GRO)

Login to view pricing
  • Brand NSI
  • Matrix Methanol
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
NPW - Diesel Range Organics (DRO) - Blind NPW - Diesel Range Organics (DRO) - Blind
SKU: QCO-101B

NPW - Diesel Range Organics (DRO) - Blind

Login to view pricing
  • Brand NSI
  • Matrix Methanol solution
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
NPW - Diesel Range Organics (DRO) NPW - Diesel Range Organics (DRO)
SKU: QCO-101

NPW - Diesel Range Organics (DRO)

Login to view pricing
  • Brand NSI
  • Matrix Methanol
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
NPW - OP Pesticides - Blind NPW - OP Pesticides - Blind
SKU: QCO-100B

NPW - OP Pesticides - Blind

Login to view pricing
  • Brand NSI
  • Matrix Acetone
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
NPW - OP Pesticides NPW - OP Pesticides
SKU: QCO-100

NPW - OP Pesticides

Login to view pricing
  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
WS - Pesticides - Blind WS - Pesticides - Blind
SKU: QCO-099B

WS - Pesticides - Blind

Login to view pricing
  • Brand NSI
  • Matrix Acetone
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
WS - Pesticides WS - Pesticides
SKU: QCO-099

WS - Pesticides

Login to view pricing
  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
AlertAlertBrowse fileDownload fileFileImagePdfWordTextExcelPowerpointArchiveCsvAudioVideoSpinnerCalendarReturn arrowMinusVisibleInvisibleVisibleInvisibleConfigure