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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 Sales@CPIInternational.com.


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

Lowest Price Available
for Colitag™ Test Kits

Late Order
Cutoff Time
Unit Dose™ Listeria innocua
Item Number UD-11288
286.00 286.0 USD
286.00 286.0 USD
286.00 286.0 USD
286.00 286.0 USD
286.00 286.0 USD
Unit Dose™ Salmonella salford
Item Number UD-7833
286.00 286.0 USD
P. aeruginosa High CFU Range
Item number 10662-10
0.0 USD
E. aerogenes
Item number 10006-10
0.0 USD
E. coli CRM
Choose between a 10-pack and 20-pack.
0.0 USD
0.0 USD
0.0 USD
Universal Wastewater CRM
Item number QCI-084
242.00 242.0 USD
Mid-Level Solids CRM
Item number QCI-055
192.00 192.0 USD
Low-Level Solids CRM
Item number QCI-057
221.00 221.0 USD
Multi-Analyte Solids CRM
Item number QCI-171
198.00 198.0 USD
97.00 97.0 USD
99.00 99.0 USD
Coliform Count
Item number FM-709-10
0.0 USD
Aerobic Lactic Acid
Item number FM-708-10
0.0 USD
Staph Express
Item number FM-712-10
0.0 USD