SECTION 312.127. Recordkeeping

(a) A person who prepares the water treatment residuals for land application shall retain the sample results demonstrating compliance with Table 1 of §312.43(b)(1) of this title (relating to Metal Limits) for five years.

(b) A person who derives material from water treatment residuals for land application shall retain the sample results demonstrating compliance with Table 1 of §312.43(b)(1) of this title for five years.

(c) A person who land applies water treatment residuals meeting the requirements in §312.125(a)(1) of this title (relating to Management Practices) shall retain the following information indefinitely:

(1) the concentration of cadmium in the water treatment residuals;

(2) the amount of water treatment residuals land applied;

(3) the number of acres where water treatments residuals were land applied;

(4) the cumulative amount of cadmium in the water treatment residuals land applied to each site;

(5) the background soil pH at the time of when water treatment residuals were land applied; and

(6) the soil cation exchange capacity (CEC) in meq/100 grams.

(d) A person who land applies water treatment residuals meeting the requirements in §312.125(a)(2) of this title shall retain the information required by §312.125(a)(2) of this title indefinitely.

(e) A person who land applies water treatment residuals shall develop the following information and shall retain the information for five years:

(1) the dates of harvesting; and

(2) the amount harvested, excluding grazing.

Source Note: The provisions of this §312.127 adopted to be effective April 23, 2020, 45 TexReg 2542