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.

We have provided 52 countries with thousands of bottles for the past 20 years.
At present, 15 CRMs are available (including 1 CRM which cannot be sent overseas).

National Institute for Environmental Studies
Center for Environmental Measurement and Analysis/CRM
16-2 Onogawa, Tsukuba-Shi, Ibaraki, 305-8506 Japan
FAX: +81-29-850-2900

How to Order

List of CRMs