Background levels definition
Background levels means concentrations of hazardous substances naturally occurring and generally present in the environment in the vicinity of an enrolled site or an affected area and not the result of releases.
Background levels means the concentrations of airborne fibers as determined by phase contrast or transmission electron microscopy, in and adjacent to, the work areas, prior to the start of the work.
Background levels means the concentrations of naturally occurring hazardous substances or petroleum at a property and areas surrounding a property that are unaffected by any current or past activities involving the management, handling, treatment, storage, or disposal of hazardous substances or petroleum. Background levels include only naturally occurring substances, but exclude naturally occurring substances from anthropogenic sources.
Examples of Background levels in a sentence
Background levels are typically established using uncontaminated areas with similar geological and environmental characteristics to the site under investigation.
More Definitions of Background levels
Background levels means concentrations of a
Background levels means concentrations of airborne fibers as determined by phase contrast or transmission electron microscopy, in and adjacent to, work areas, prior to start of work.