1. (1) A contracting lab that contracts with another lab shall:

   1. (a) Verify that the contracted lab is currently certified in Washington to analyze samples for the contaminant;
   2. (b) Notify the public water system that a sample will be contracted to another lab at the time the contracting lab confirms that the sample will be contracted out to another lab;
   3. (c) Confirm that the contracted lab receives the sample within 14 calendar days of the contracting lab receiving the sample, but not to exceed a contaminant holding time if the holding time is less than 14 calendar days;

   4. (d) Provide the following information to the contracted lab:

      1. (i) The public water system's department assigned water system identification number;
      2. (ii) The name of the public water system;
      3. (iii) The date the sample was collected;
      4. (iv) The location where the sample was collected;
      5. (v) The public water system's department assigned source identification number;
      6. (vi) The purpose for the sample;
      7. (vii) The sample composition; and
      8. (viii) The sample type;
   5. (e) Identify, on the final analytical results to the public water system, which sample results were contracted to another lab and clearly identify the lab.

2. (2) A contracted lab that receives a sample from a contracting lab shall:

   1. (a) Submit to the department a copy of the analytical results following the requirements under WAC 246-390-065 and 246-390-075;
   2. (b) Submit a copy of the analytical results to the contracting lab in the format and time frame per the contract terms established between the contracting lab and the contracted lab.

[Statutory Authority: RCW 43.20.050 and 70A.125.080. WSR 21-23-096, § 246-390-055, filed 11/17/21, effective 1/1/22. Statutory Authority: RCW 43.20.050 and 70.119A.080. WSR 18-09-048, § 246-390-055, filed 4/13/18, effective 5/14/18.]