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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 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
149.00 149.0 USD
159.00 159.0 USD
Rapid Yeast and Mold – Mold
Item number FM-714-10
0.0 USD
Aerobic Plate Count
Item number FM-707-10
0.0 USD
Micro Standard, E. coli, 1000 - 2000 CFU, w/o Buffer
Choose between a 10-pack and 20-pack.
0.0 USD
0.0 USD
286.00 286.0 USD
Micro Standard, Multiplex, Universal Water Microbe
Choose from 10-pack or 20-pack.
0.0 USD
Micro Standard, HPC/TVC, 100 - 500 CFU, w/o Buffer
Choose between a 10-pack and a 20-pack.
11.00 11.0 USD
286.00 286.0 USD
Unit Dose™ Bacillus cereus
Item Number UD-2599
286.00 286.0 USD
Unit Dose™ Bacillus subtilis
Item Number UD-6633
286.00 286.0 USD
Unit Dose™ Candida albicans
Item Number UD-10231
286.00 286.0 USD
286.00 286.0 USD
Unit Dose™ Escherichia coli
Item Number UD-8739
286.00 286.0 USD
Unit Dose™ Escherichia coli
Item Number UD-9001
286.00 286.0 USD
Unit Dose™ Enterococcus faecalis
Item Number UD-12697
286.00 286.0 USD
286.00 286.0 USD