This certified reference material (CRM) is produced and
certified in accordance with ISO Guide 34:2009 and ISO/IEC 17025:2005.
All information regarding the use of this CRM can be found on the
certificate of analysis.
Look up the Certificate of Analysis under the Safety & Documentation tab; or, click on the currently available Lot No: D522
This product was produced and certified from a naturally
contaminated matrix and has not been fortified or modified in any way.
Analytical data for Certification was obtained using USEPA SW846, 3rd
edition methods 3050 (hot block) and 3051(microwave) using nitric acid
extraction. Analysis was carried out according to USEPA methods 6010
(ICP-ES), 6020 (ICP-MS) and 7000 (AES).
The following elements are not certified and are included for information only:
• Sb, Hg, Mo, Se, Ag, Sr, Tl
Values of analytes vary lot to lot. Some lots may not contain all analytes.