8 CAR § 60-704 – Water and wastewater treatment sludge

(a) Applicability.
1. (1) Nonhazardous bio-solids or sludge from publicly owned treatment works may be disposed of in a permitted Class 1 landfill under the conditions described in this section.
2. (2) Sludge from industrial processes may be disposed of in a permitted Class 3 or Class 1 landfill under the conditions described in this section if authorized by the Division of Environmental Quality.
(b) Solidification/free liquids. The sludge shall be solidified to the extent necessary to support cover and compaction of the waste and shall not exhibit free liquids as defined by the paint filter test in 8 CAR § 60-420.
(c) Class 4 prohibition.
1. (1) Sludge shall not be disposed of in a Class 4 landfill.
2. (2) Sludge shall not be disposed of in a Class 3 permitted landfill unless authority is granted by written approval by the division.
(d) Sludge characterization.
1. (1) Only nonhazardous sludge shall be landfilled.
2. (2) The owner or operator shall require adequate characterization of the waste and shall maintain waste characterization records.
(e) Sludge monofills. Sludge monofills shall meet the requirements of 40 C.F.R. pt. 503.
(f) Regulatory requirements.
1. (1) The treatment and disposal of sewage sludge (bio-solids) from publicly owned treatment works shall conform to the requirements of 40 C.F.R. pt. 503.
2. (2) The disposal of other sludges resulting from the treatment of wastewater or sludges resulting from industrial process shall conform to the requirements of 40 C.F.R. pt. 257.