We were able to obtain BCR-680 and BCR-681 in the US from a company called
2931 Soldier Springs Road
P.O. Box 1346
Laramie, Wyoming 82070
800-576-5690 (within the U.S.)
E-mail: [log in to unmask]
Hope that helps,
>From: "Dawn M. VanSeggen" [log in to unmask]
>Subject: HOW TO CONTACT BCR
>Content-Type: text/plain; charset="iso-8859-1"
>I am trying to order BCR -680 and 681 polyethylene (with trace elements)
>reference materials from Institute for Reference Materials and
>Measurements. I have the contact information below, however, it does not
>seem to be valid (I get no response from my e-mail, and the phone number
>does not seem to work). Does anyone have current contact information, or
>know if they still sell the reference materials?