| (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.
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