"Background" shall mean the levels of chemical, physical, biological and radiological constituents or parameters prior to an activity or pollution event, as determined by methods acceptable to the Department.
132 Neb. Admin. Code, ch. 1, § 008
"Background" shall mean the levels of chemical, physical, biological and radiological constituents or parameters prior to an activity or pollution event, as determined by methods acceptable to the Department.
132 Neb. Admin. Code, ch. 1, § 008