Harrens Lab offers a full range of microbiology laboratory testing services. We provide testing for food, cosmetic, and environmental products. Our microbiologists help customers resolve regulatory compliances using AOAC, FDA BAM and USP approved methods.

Standard Tests

  • Aerobic plate count
  • Coliforms MPN
  • Yeast and Mold plate count
  • Shelf life testing


  • E. coli
  • E. coli O157:H7
  • Pseudomonas aeruginosa
  • Listeria sp.
  • Salmonella sp.
  • Staphylococcus aureus 1
  • Shigella

Feel free to ask our helpful staff about other microbiology testing services.