Background concentration definition

Background concentration means such concentration of that substance as is present in:

Background concentration means the same as “background quantity” as defined in paragraph 11 to Part 2 to Schedule1 of the PPC Regulations.

Background concentration means such concentration of that substance as is present in: for emissions to surface water, the surface water quality up-gradient of the site; or

Examples of Background concentration in a sentence

• Code.f = Fraction of the effluent flow that is withdrawn from the receiving water, andCs = Background concentration of the substance (in units of mass per unit volume) as specified ins.

• Penford Products is a wholly-owned subsidiary of Penford Corporation.

• Background concentration unknown or available data is impacted by sources that have not yet achieved water quality based limits.

• Background concentration, the level of air contaminants that cannot be reduced by controlling emissions from man-made sources.

• Background concentration is defined as the mean concentration plus the second standard deviation for any contaminant in any individual well.2. The number of significant figures used for all GWPLs determined by laboratory results previously reported by the Permittee.

More Definitions of Background concentration

Background concentration means the concentration or level of a hazardous substance that exists in the environment at or regionally proximate to a facility that is not attributable to any release at or regionally proximate to the facility. A person may demonstrate that a hazardous substance is not present at a level that exceeds background concentration by any of the following methods:

Background concentration means the test substance concentrations in the whole-vehicle test chamber when the test vehicle is inside;

Background concentration means the concentration of a contaminant in ground water upgradient or a lateral hydraulically equivalent point from a facility, practice, or activity, and which has not been affected by that facility, practice, or activity.

Background concentration means that concentration of a constituent that is established as the background in accordance with subsection (d); and

Background concentration means the level of naturally occurring contaminant in soil.

Background concentration means such concentration of that substance as is present in: for emissions to surface water, the surface water quality up-gradient of the site; or for emissions to sewer, the surface water quality up-gradient of the sewage treatment works discharge.

Background concentration means the concentration of an air contaminant which is due to natural sources.