(1) When a lab fails to comply with the requirements of this chapter, the department may initiate one or more of the following enforcement actions:

(a) An informal letter directing appropriate corrective measures;

(b) A notice of violation requiring appropriate corrective measures;

(c) A compliance schedule of specific actions needed to achieve compliance;

(d) A notice of correction with specific actions needed within a designated time period to achieve compliance.

(2) If a lab fails to comply with a notice of correction as specified in subsection (1)(d) of this section, the department may revoke or suspend a lab's drinking water certification in accordance with WAC 246-390-095.