Laboratory Certification Manual for Drinking Water

The drinking water laboratory certification program manual describes:

• Implementation procedures
• Laboratory procedures
• Technical criteria for laboratories that analyze drinking water compliance samples

Manual for the Certification of Laboratories Analyzing Drinking Water, Fifth Edition (pdf) (4 MB)

Supplement 1 to the Fifth Edition of the Manual for the Certification of Laboratories Analyzing Drinking Water (pdf) (60 KB)

Supplement 2 to the Fifth Edition of the Manual for the Certification of Laboratories Analyzing Drinking Water (pdf) (877 KB)