Certified labs near Mansfield, Ohio

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Labs on Ohio’s official list

• Eastern Lab Services, Ltd., Medina · ~33 miListed in Ohio EPA’s certified lab list. See the official list → (checked 2026-09-30)
• Eurofins DW and WW Central - Marion (formerly Alloway Marion), Marion · ~33 miListed in Ohio EPA’s certified lab list. See the official list → (checked 2026-09-30)
• Edenridge Laboratory, Ltd. (formerly Holmes Laboratory, Inc.), Millersburg · ~38 miListed in Ohio EPA’s certified lab list. See the official list → (checked 2026-09-30)
• Erie County Health Department Laboratory, Sandusky · ~46 miListed in Ohio EPA’s certified lab list. See the official list → (checked 2026-09-30)
• Coshocton Environmental Testing, LLC, Coshocton · ~49 miListed in Ohio EPA’s certified lab list. See the official list → (checked 2026-09-30)
• Eurofins Cleveland, Barberton · ~50 miListed in Ohio EPA’s certified lab list. See the official list → (checked 2026-09-30)
• BoJhun Environmental Services, Fostoria · ~53 miListed in Ohio EPA’s certified lab list. See the official list → (checked 2026-09-30)
• Benchmark Environmental Labs, Inc., Columbus · ~56 miListed in Ohio EPA’s certified lab list. See the official list → (checked 2026-09-30)

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Many labs accept mailed samples, so a lab a few hours away may still work for you.