Any person engaged in the land application of water and wastewater treatment plant sludge must comply with the requirements of OAC 252:520-15 to protect groundwater quality.
Okla. Admin. Code § 252:611-7-18
Any person engaged in the land application of water and wastewater treatment plant sludge must comply with the requirements of OAC 252:520-15 to protect groundwater quality.
Okla. Admin. Code § 252:611-7-18