"Background" means 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.
118 Neb. Admin. Code, ch. 1, § 002
"Background" means 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.
118 Neb. Admin. Code, ch. 1, § 002