A. The sampling, analytical methodology, and laboratory certification requirements of 40 CFR 141 and 40 CFR 143 in effect as of July 1, 2018 2023, are incorporated by reference into this chapter.

B. The alternative test methods published at 89 FR 5780 through 5794 on January 30, 2024, and the corrections to those alternative test methods published at 89 FR 7624 through 7625 on February 5, 2024, are incorporated by reference into this chapter.

C. The specific sampling, analytical methodology, and laboratory certification requirements incorporated by reference are listed as follows by category for information purposes:

1. Hóa học vô cơ: 40 CFR 141.23, 40 CFR 141.89, và 40 CFR 141.131.

2. Hóa học hữu cơ: 40 CFR 141.24 và 40 CFR 141.131.

3. Microbiology: 40 CFR 141.21, 40 CFR 141.74, 40 CFR 141.174, 40 CFR 141.402(c)(2), 40 CFR 141.704, 40 CFR 141.705, and 40 CFR 141.852. 40 CFR 136.3(a) for E. coli requirements under 40 CFR 141.704.

4. Hóa học phóng xạ: 40 CFR 141.25.

5. Phương pháp thử nghiệm thay thế: 40 CFR Phần 141, Tiểu phần C, Phụ lục A.

6. Phương pháp thử nghiệm được chỉ định cho mức độ ô nhiễm tối đa thứ cấp: 40 CFR 143.4.

C. D. The exceptions to the requirements for laboratory certification in 40 CFR 141.28, 40 CFR 141.74(a), 40 CFR 141.89(a)(1), 40 CFR 141.131(b)(3), and 40 CFR 141.131(c)(3) are incorporated by reference into this chapter.