USP Proficiency Testing Program
Pharmaceutical Secondary Reference Materials Traceable to USP
Certified Reference Materials for Wastewater Labs
Microbiological Controls for 3M Petrifilm™
Food Microbiology Proficiency Testing
Food Chemistry Proficiency Testing
Unit Dose™ Microbiological Controls
Microbiological Certified Reference Materials for USP 61 & USP 62
Microbiological Certified Reference Materials for USP 51
Snap-StickTM Ready To Use Culture Swabs
Certified Reference Materials for Hemp
Hemp Proficiency Testing