# Environment (GEN)

## Title 9. Water, Ice, and Sanitary Facilities

### Subtitle 10. Water Quality Laboratories

#### Section 9-1003

(a) The Department shall:

  (1) Adopt rules and regulations to carry out the provisions of this subtitle;

  (2) Establish a proficiency testing program to test the performance of any water quality laboratory; and

  (3) Set standards for:

    (i) Demonstrating satisfactory performance in a proficiency testing program; and

    (ii) Conducting the program.

(b) The Secretary shall have each water quality laboratory inspected at least triennially.

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Md. Code Ann., Envir. (as displayed at mgaleg.maryland.gov, October 16, 2026)