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Custom Reference Standards

Reference Material


Reference Material​

A line of microbiology CRMs that are easy to use, traceable - never more than two passages from the primary culture, and quality assured to ISO 17034 and ISO 17025. Both multiplex and single-organism CRMs are available and a convenient universal water microbe cocktail suitable for many different environmental methods. 

For inquiries and assistance, you can reach us at 1 800-878-7654 (Customer Service Line),
707-525-5788 (California) or email [email protected].


Lower Your
Cost Per Test
Curated for Frugal Managers in Environmental Labs

Lowest Price Available
for Colitag™ Test Kits

Late Order
Cutoff Time
300.30 300.3 USD
300.30 300.3 USD
300.30 300.3 USD
Universal Wastewater CRM
Item No.: QCI-084
254.10 254.1 USD
Yeast and Mold
Item No.: FM-734-10
0.0 USD