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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
Micro Standard, Multiplex, Universal Water Microbe
Choose from 10-pack or 20-pack.
0.0 USD
300.30 300.3 USD
Unit Dose™ Candida albicans
Item No.: UD-10231
300.30 300.3 USD
300.30 300.3 USD
301.00 301.0 USD
300.30 300.3 USD
0.0 USD
Universal Wastewater CRM
Item No.: QCI-084
254.10 254.1 USD
Multi-Analyte Solids CRM
Item No.: QCI-171
207.90 207.9 USD
101.00 101.0 USD
103.95 103.95 USD
Total Enterobacteriaceae
Item No.: FM-711-10
0.0 USD