ATCP 31.02 Note Note: If an unofficial groundwater sample is not determined to be reliable for purposes of regulatory or enforcement action under this chapter, the department may nevertheless:

ATCP 31.02 Note 1. Refer the unofficial groundwater test result to the department of natural resources, with or without a recommendation for official sampling and testing.

ATCP 31.02 Note 2. Inform affected persons of the unofficial groundwater test result.

ATCP 31.02 Note 3. Refer the unofficial groundwater test result to state or local health authorities, and to county agricultural extension agents.

ATCP 31.02 Note 4. Initiate further investigation or research related to the unofficial groundwater sample result.

ATCP 31.02(3) (3) Memorandum of understanding. Pursuant to ss. 160.21 (2) (e) and 160.27, Stats., the department shall enter into a memorandum of understanding with the department of natural resources to ensure the reliability of official groundwater test results used by the department for purposes of regulation and enforcement under this chapter. The memorandum of understanding shall govern the reporting and certification of official groundwater test results to the department by the department of natural resources. It shall also govern the collection, handling and analysis of official groundwater samples by the department of natural resources or its designated agents. The memorandum of understanding shall include:

ATCP 31.02(3)(a) (a) Standards for the collection of official groundwater samples, including standards related to:

ATCP 31.02(3)(a)1. 1. Collection equipment and containers.

ATCP 31.02(3)(a)2. 2. Collection procedures.

ATCP 31.02(3)(a)3. 3. Collection records.

ATCP 31.02(3)(b) (b) Standards for the handling of official groundwater samples, including:

ATCP 31.02(3)(b)1. 1. Temperature conditions under which samples are to be kept.

ATCP 31.02(3)(b)2. 2. Time periods within which samples are to be analyzed.

ATCP 31.02(3)(b)3. 3. Chain of custody requirements.

ATCP 31.02(3)(c) (c) Standards for the analysis of official groundwater samples, including:

ATCP 31.02(3)(c)1. 1. Required quality assurance programs for laboratories engaged in the analysis of official groundwater samples under this chapter.

ATCP 31.02(3)(c)2. 2. Control sample requirements.

ATCP 31.02(3)(c)3. 3. Required analytical methods.

ATCP 31.02(3)(c)4. 4. Required confirmation of analytical results.

ATCP 31.02(3)(c)5. 5. Instrument calibration and maintenance requirements.

ATCP 31.02(3)(c)6. 6. Required analytical worksheets and documentation.

ATCP 31.02(3)(c)7. 7. Chain of custody requirements in the laboratory.

ATCP 31.02(3)(c)8. 8. Requirements for the timely reporting of analytical results.

ATCP 31.02(3)(c)9. 9. Continuing sample custody requirements.

ATCP 31.02(3)(c)10. 10. Access to laboratory records by the department and the department of natural resources.

ATCP 31.02(3)(d) (d) Contract requirements applicable to designated agents engaged in the collection or analysis of official groundwater samples under this chapter.

ATCP 31.02(3)(e) (e) Reports and certifications required to accompany official groundwater samples and test results obtained by designated agents of the department of natural resources.

ATCP 31.02(3)(f) (f) Standards for the reporting and certification of official groundwater test results to the department by the department of natural resources.

ATCP 31.02(4) (4) Department contracts with agents designated to collect or analyze official groundwater samples. Every person or entity designated to collect or analyze an official groundwater sample as the agent of the department, rather than as the agent of the department of natural resources, shall first enter into a written contract with the department. Contracts shall include specific standards for the collection, handling and analysis of official groundwater samples, to ensure the reliability of official groundwater test results used by the department for purposes of regulation and enforcement under this chapter. Agents contracting directly with the department shall be held to the same requirements which are applicable to agents designated by the department of natural resources pursuant to a memorandum of understanding under sub. (3).