South Carolina Code of Regulations › Chapter 61 - DEPARTMENT OF HEALTH AND ENVIRONMENTAL CONTROL › Subchapter 61-107 - Solid Waste Management › Subchapter 61-107.18 - Solid Waste Management: Off-site Treatment of Contaminated Soil › Section 61-107.18.F - Standards

Current through Register Vol. 48, No. 6, June 28, 2024
1. General
				Requirements. Soil shall be treated in accordance with the following criteria:
a. Soil shall be treated to levels that are
				protective of human health and the environment as approved by the Department.
				Treatment standards shall be based in part upon the intended use of the soil
				after the treatment process is complete. It is the responsibility of the
				permitted treatment facility to provide to the user of the treated soil written
				notice stating the treatment goals achieved and the end use of the soil as
				approved by the Department, including any restrictions on the use of the soil
				that are included in the facility's permit or in this regulation.
b. Contaminated soil treated under the
				purview of this regulation shall not be used to grow edible food crops nor to
				supplement soil used for the purpose of growing edible food crops. Other
				agricultural uses of soil treated under this regulation shall require approval
				from the Department prior to use.
c. Soil treated under the purview of this
				regulation shall not contain benzene in excess of 5 ppb after treatment unless
				it can be demonstrated that the end use of the treated soil will not impact
				groundwater such that it would exceed 5 ppb benzene or cause an adverse risk to
				human health as determined by the Department. Any soil treated to >5 ppb
				benzene shall be for restricted end use to be approved by the
				Department.
d. The type,
				composition, breakdown products and potential affect to human health and the
				environment shall be provided for all materials or microorganisms introduced
				into the soil for treatment purposes. In addition, the breakdown products for
				the microorganisms and contaminants being treated in the process shall be
				clearly defined.
e. The Department
				may require additional soil testing and/or alternate treatment activities,
				and/or soil removal for proper disposal, if the permittee is unable to
				demonstrate that the treatment process is effective, or the process has failed
				to perform to design standards. Additional testing and/or treatment may be
				required if constituents are present in the soils for which the permitted
				treatment process will not be effective, e.g., metals.
f. Based on the nature of the treatment
				process and the types of soil proposed for treatment at the facility, the
				Department may require additional environmental monitoring to be performed at
				the facility. Likewise, additional engineering provisions may be required by
				the Department to ensure protection of human health and the
				environment.
g. Contaminated soil
				shall be categorized into three classes, i.e., Class I, Class II, or Class III,
				based on the contaminants present in the soil. Treatment levels to be achieved
				for each class of soil differ.
h.
				Soil treated under the purview of this regulation shall be used in a manner
				which minimizes contact with the seasonal high water table.
i. When facilities co-mingle compatible soils
				prior to treatment, the end use of the treated co-mingled soil shall be limited
				to the most conservative end use as determined from the approved end uses
				identified for each of the co-mingled soils by permit.