§112.47. Who must perform the tests required under this subpart? — Inbound Citations

(i) Meets the requirements in § 112.44(a), including the microbial quality criterion and the prohibition on the use of untreated surface water, and if untreated ground water, also meets the testing requirements in §§ 112.44(b), 112.47, and 112.151;

(4) You may meet these testing requirements using test results or data collected by a third party, as provided in § 112.47.