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, 17 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

  • 2022-12-20Out-of-stock: NIES CRM No.13, Human Hair

    NIES CRM No.13, Human Hair, was developed to evaluate the accuracy of analytical values and methods for methylmercury, total mercury, and other trace elements in human hair.
    Due to the stock-out of NIES CRM No.13, distribution of this CRM ended in December, 2022.
    We are currently developing a new CRM, successor to No.13, with the aim of starting distribution in FY2024. We apologize for any inconvenience this may cause to our users and ask for your understanding.
  • 2022-12-20Please be announced that our office will be closed from December 24th 2022 to January 5th 2023 for New year's Holiday. We will resume our business from January 6th, 2023.
    We wish you a wonderful holiday season, and all the best for the New Year.
  • 2022-8-23The expiry date of NIES CRM No.30 Gobi Kosa Dust has been extended to September 2032 based on the stability evaluation.


CRM No. Name Certified Value Certificate
No.3 Chlorella Elements PDF [526KB]
No.10-d Rice Flour-Unpolished ※ Elements PDF [573KB]
No.12 Marine Sediment Organo Sn PDF [296KB]
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 [584KB]
No.26 Water Bloom Microcystins, Elements PDF [707KB]
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 [584KB]
No.31 Lake Sediment Elements PDF [363KB]
No.32 Bluegill PFOS PDF [364KB]
No.33 Landfill Cover Soil Elements PDF [325KB]
No.34 Water Bloom (15N-MC) 15N-MC PDF [645KB]
No.35 Water Bloom (15N-CYN) 15N-CYN PDF [604KB]
※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.13 Human Hair Methyl Hg PDF [376KB]
No.22 Fish Otolith Elements PDF [173KB]