National Testing Laboratories, Ltd

National Testing Laboratories, Ltd is on the official list: California ELAP accreditation. Updated 2026-10-17.

Ypsilanti, Michigan

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 2568
Contact: 556 South Mansfield Street, Ypsilanti, MI, 48197
(734) 483-8333
Source: California Water Boards – ELAP drinking water accredited laboratories
Licence: Public record (California State Water Resources Control Board)
Record refreshed: 2026-10-17

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