Okla. Admin. Code § 252:616-11-8

Current through Vol. 42, No. 8, January 2, 2025

Section 252:616-11-8 - Heavy Metals

The DEQ shall not approve the land application of industrial sludge that contains heavy metals above the concentration ranges normal to sludges with a demonstrated effectiveness on Oklahoma soils, unless the permittee provides a study on the effects of the sludge on a variety of Oklahoma soils and crops found at the location of the proposed land application site. Said study shall:

(1) be conducted by a qualified research institute familiar with crops and soils in Oklahoma and approved by the DEQ;

(2) be included with the sludge management plan; and

(3) demonstrate the effect of the sludge during four (4) growing seasons.

Okla. Admin. Code § 252:616-11-8

Added at 24 Ok Reg 1526, eff 6-11-07