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This website publishes administrative rules on their effective dates, as designated by the adopting state agencies, colleges, and universities.

Rule 3745-89-02 | Analyses requiring laboratory certification.


For the purpose of determining compliance with Chapters 3745-81, 3745-82 and 3745-90, and rules 3745-91-06 and 3745-9-09 of the Administrative Code, and as specified by paragraph (B) of rule 3745-83-01 of the Administrative Code, including plant control tests but excluding water quality parameter determinations, or for other analyses required by the director, only those analyses may be acceptable to the director that are performed in one of the following facilities:

(A) A laboratory located in the state of Ohio and holding a valid and unexpired laboratory certification under this chapter, and by an individual conducting analyses as designated on the laboratory certificate.

(B) "The State Principal Laboratory."

(C) With the exception of those analytes required in Chapter 3745-90 of the Administrative Code, a laboratory certified by the United States environmental protection agency (USEPA), the national environmental laboratory accreditation program (NELAP), or by another environmental laboratory accreditation program for the field of accreditation of drinking water may be acceptable to the director to perform required analyses for drinking water analytes.

(D) With the exception of analytes required in Chapter 3745-90 of the Administrative Code, an out of state laboratory may be accepted to analyze drinking water samples by meeting the analytical and reporting requirements of this chapter in order for those analyses to be acceptable to the director but only if any of the following conditions apply.

(1) For those analytes and during those times for which no Ohio laboratory is certified under this chapter of the Administrative Code for the analyses.

(2) During those times when the director determines there is insufficient laboratory capacity.

(3) For analytes which Ohio has determined not to certify laboratories.

(4) For samples collected from a public water system located outside the state of Ohio which provides water to a consecutive water system located in the state of Ohio.

(E) Laboratories identified in paragraphs (C) and (D) of this rule requesting initial acceptance of certification shall follow the requirements set forth in rule 3745-89-12 of the Administrative Code.

Supplemental Information

Authorized By: 6109.03, 6109.04, 6109.12
Amplifies: 6109.03, 6109.04, 6109.12, 3745.50
Five Year Review Date: 10/26/2025
Prior Effective Dates: 11/26/1980, 4/9/1990, 9/13/1993, 4/1/1999, 6/18/2004, 5/4/2015, 6/1/2016