What is the acceptable range of the B1030 COD standard?

Most labs use ±5%. The exact acceptance criteria should be determined by your QA practices.

where can i get a cert. of analysis for #B1030 lot# 84929 ??

You can find our Certificates of Analysis on our website under the Technical tab or at

what is the shelf life of this standard?

This standard is good for one year from the date of manufacture.

Is the lot number different than 77030

If you require a different lot other than 77030, request this when ordering and we will make sure a different lot is shipped to you.

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