Date: 2013-04-12 06:10:41

Construction

Environment

Water pollution

Septic tank

Grease interceptor

Soil

Sewage collection and disposal

Pipe

Environmental engineering

Plumbing

Civil engineering

15A NCAC 18A[removed]DESIGN INSTALLATION CRITERIA FOR CONVENTIONAL SEWAGE SYSTEMS (a) Conventional septic tank systems shall utilize a septic tank of approved construction with an approved effluent filter and support case,

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