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E.S. Babcock & Sons, Inc.Babcock Laboratories has been certified by the California Department of Public Health (CDPH) since 1928 for the analysis of drinking water for public health protection. Our laboratory was one of the first in the State of California to receive this certification.

Since that initial certification, Babcock’s accreditation has never lapsed. Today, our certification includes not only the microbiology of drinking water and wastewater, but also the complete inorganic and organic analysis of drinking water, wastewater, groundwater, soils and hazardous materials

In 2012, Babcock Labs received official notification of accreditation through the American Association for Laboratory Accreditation (A2LA) for the bacteriological testing of beverage and food products.

ESB is approved for the testing of drinking water, wastewater, groundwater, soils and hazardous waste in the following fields:

  • Bacteriology
  • Inorganic Chemistry
  • Toxic Chemical Elements
  • Organic Chemistry
  • Extraction Tests

To view our certifications, click on the links below:


Babcock Laboratories is consistently recognized as a top 10 performer
in the areas of Proficiency Testing and Customer Satisfaction.

Babcock Laboratories regularly tracks its data and customer service quality. It consistently receives top scores in data integrity, as determined by its Proficiency Testing scores, and in customer service, as determined by its client satisfaction survey.

View a PDF version of our certifications.

  © 2016 Babcock Laboratories, Inc. All Rights Reserved.