Contaminant of concern definition

Contaminant of concern means specific hazardous substances that are identified for evaluation in the risk assessment process. Identification can be based on their historical and current use at the site, detected concentrations in environmental media and their mobility, toxicity, and persistence in the environment.

Contaminant of concern means a hazardous substance that results from a release and that has been identified by the Department as the subject of remedial action at a site.

Contaminant of concern means any contaminant which is suspected of being released at the site based on site history for which:

Examples of Contaminant of concern in a sentence

• Different methods are used in this context: difference-in-differences (DD), DD propensity score matching (PSM), fixed effects (FE), random effects (RE) and pooled ordinary least-squares (POLS).

• Contaminant of concern sampling parameter: Manganese.• Station 49+55 to Station 50+10 (CL IL 31), 0 to 55 feet LT, and 0 to 50 feet RT.

• Contaminant of concern - any contaminant that has the potential to adversely affect ecological or human receptors due to its concentration, distribution, and mode of toxicity.

• Contaminant of concern in bauxite production is caustic soda (sodium hydroxide).

• A flexible membrane was located on the upper side of the system, which conformed to the part geometry and applied pressure during the curing cycle.Temperature was controlled only on the tool shell in this demonstration system.

More Definitions of Contaminant of concern

Contaminant of concern means a contaminant for the storing, recycling, treating, or processing of brine and other waste substances associated with the exploration, development, well stimulation, production operations, or plugging of oil and gas resources.

Contaminant of concern means a hazardous substance identified during a remedy, which exceeds the HSCA screening level and contributes to the unacceptable site specific risk.

Contaminant of concern means a contaminant of potential concern that is present at a site at a concentration that requires implementation of a remedy to achieve the desired remediation standard.

Contaminant of concern means a hazardous substance identified during a remedy where the concentration exceeds the cleanup level.

Contaminant of concern means a hazardous substance identified during a remedy, which exceeds the HSCA screening level and contributes to the unacceptable site specific risk where the concentration exceeds the cleanup level.

Contaminant of concern. [COC] means a substance that is present in media at a site at levels that exceed generic numerical standards prescribed for that media and the applicable land, water, vapour, and sediment use for the purposes of the definition of contaminated sites in CSR s. 11, typically documented in the DSI or other investigation reports.

Contaminant of concern means a hazardous substance that is present at a site or facility in such concentrations that the contami- nant poses an actual or potential threat to human health, safety or wel- fare or the environment based upon: