Maryland Closure/Post-Closure Plans: What you need to know

Hazardous waste treatment, storage, and disposal facility (TSDF) closure rules: Code of Maryland Regulations (COMAR) 26.13.05.07B to F(1)

TSDF post-closure rules: COMAR 26.13.05.07F(2) to 26.13.05.07J

Facility-specific rules:

Closure and post-closure care of surface impoundments: COMAR 26.13.05.11G

Tank system closure and post-closure rules: COMAR 26.13.05.07A(2)(c) and COMAR 26.13.05.10-7

Maryland Department of the Environment (MDE) Land Management Administration Hazardous Waste Program

See ADDRESSES & CONTACTS for addresses and telephone numbers.

See national section for basic information and federal regulations.

• Rules. Maryland's closure and post-closure rules for TSDFs are similar to the federal requirements. In addition to complying with the general closure and post-closure standards, owners or operators of the various types of TSDFs have to meet closure and post-closure standards specific to their facility types.

• Administration and enforcement. MDE's Land Management Administration administers and enforces the closure and post-closure requirements in Maryland.

FACILITY-SPECIFIC RULES

Surface Impoundments

COMAR 26.13.05.11G

In addition to following the federal surface impoundment closure rules that apply when all hazardous waste is not removed or decontaminated, MDE requires that owners or operators of surface impoundments comply with additional permit requirements applicable to landfills (COMAR 26.13.05.11G(1)(e)). See the state section TSDF PERMITS for more information. Surface impoundment owners and operators must also notify MDE within 24 hours of detecting a leak during the post-closure period (COMAR ...