MA DEP does not provide certifications for all tests in all matrices. Although we cannot be certified for every parameter, we continuously apply our rigorous quality program to non-certified parameters

Potable Water

Parameter Method
Heterotrophic Plate Count SM9215B
Total Coliform SM9222B, SM9223B, EPA 1604
E.coli SM9222B, SM9223B, EPA 1604
Fecal Coliform SM9222D
Enterolert SM9230D

Non-potable Water

Parameter Method
E.coli EPA 1603, EPA 1604
Fecal Coliform SM9222D
Enterococci EPA 1600
Pseudomonas SM9213E Mod.