privatewelldata / Certified labs – California ELAP accreditation
Positive Lab Service
Positive Lab Service is on the official list: California ELAP accreditation. Updated 2026-10-17.
Los Angeles, California
Call ahead: certification lists include some labs that only test for public water systems.
- Certified by
- California ELAP accreditation
- Official scope
- Lab type: Commercial (Commercial). ELAP certificate 1131
- Contact
- 781 East Washington Boulevard, Los Angeles, CA, 90021
(213) 745-5312 - Source
- California Water Boards – ELAP drinking water accredited laboratories
- Licence
- Public record (California State Water Resources Control Board)
- Record refreshed
- 2026-10-17
Nearby certified labs
- US Ecology Vernon, Inc.Vernon, CA · 4 km
- Safety Kleen Systems Los Angeles TerminalLos Angeles, CA · 4 km
- Los Angeles Department of Water and Power - Environmental LaboratoryLos Angeles, CA · 4 km
- City of Los Angeles, Standards Testing LaboratoryLos Angeles, CA · 7 km
- Michelson Laboratories, Inc.Commerce, CA · 9 km
- 1 Laboratories, Inc.Los Angeles, CA · 9 km
All labs on this list · What should I test for? · Test costs