This photograph shows CRMs which is distributed from NIES.

Environmental Certified Reference Materials (CRMs) are utilized to evaluate new analytical methods and to control the accuracy of pretreatment and instrumental analyses.

National Institute for Environmental Studies (NIES) have been preparing and distributing environmental and biological CRMs since 1980.

At present, 16 CRMs are available (including 1 CRM which cannot be sent overseas).

National Institute for Environmental Studies
Health and Environmental Risk Division
Center for Environmental Standards and Measurement/CRM
16-2 Onogawa, Tsukuba-Shi, Ibaraki, 305-8506 Japan
E-mail: nies.crm(a) ※Change '(a)' to '@'
FAX: +81-29-850-2900

What's New

  • 2021-8-10The expiry date of NIES CRM No.29 Water Hyacinth has been extended to September 2031 based on the stability evaluation.
  • 2021-7-17Our website has been renewed.
    Certificates are now available to download.
  • 2021-4-1Due to changes in the organization name, etc., the format of certificate has been changed.


CRM No. Name Certified Value Certificate
No.3 Chlorella Elements PDF [526KB]
No.10-d Rice Flour-Unpolished ※ Elements PDF [304KB]
No.12 Marine Sediment Organo Sn PDF [296KB]
No.13 Human Hair ※ Methyl Hg PDF [376KB]
No.15 Scallop Organo Sn PDF [314KB]
No.18 Human Urine Organo As PDF [546KB]
No.23 Tea Leaves II ※ Elements PDF [297KB]
No.24 Fly Ash II PCDDs, PCDFs PDF [320KB]
No.26 Water Bloom Microcystins, Elements PDF [458KB]
No.27 Typical Japanese Diet Elements PDF [317KB]
No.28 Urban Aerosols Elements PDF [362KB]
No.29 Water Hyacinth Elements PDF [326KB]
No.30 Gobi Kosa Dust Elements PDF [317KB]
No.31 Lake Sediment Elements PDF [363KB]
No.32 Bluegill PFOS PDF [364KB]
No.33 Landfill Cover Soil Elements PDF [325KB]
※These are newly produced CRM successors.

Archived Certificates

CRM No. Name Certified Value Certificate
No.1 Pepperbush Elements PDF [765KB]
No.2 Pond Sediment Elements PDF [318KB]
No.5 Human Hair Elements PDF [310KB]
No.6 Mussel Elements PDF [315KB]
No.7 Tea Leaves Elements PDF [251KB]
No.8 Vehicle Exhaust Particulates Elements PDF [377KB]
No.9 Sargasso Elements PDF [313KB]
No.10-a,b,c Rice Flour-Unpolished Elements PDF [378KB]
No.11 Fish Tissue Organo Sn PDF [274KB]
No.22 Fish Otolith Elements PDF [173KB]