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A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Effluent: Outflow of water from a treatment or waste process system.

Engineered Controls: Method of managing environmental and health risks by placing a barrier between the contamination and the rest of the site, thus limiting exposure pathways.

Environment: The sum of all external conditions affecting the life, development and survival of an organism.

Environmental Site Assessment: The process of determining whether contamination is present on a parcel of real property.

Exposure Pathway: The path from sources of pollutants via, soil, water, or food to man and other species or settings.

Exposure Route: The way a chemical or pollutant enters an organism after contact; i.e. by ingestion, inhalation, or dermal absorption.

Ex situ: In a position or location other than the natural or original one.

Extraction Well: A discharge well used to remove groundwater or air.

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Abbreviations & Acronyms:

BTEX:  Benzene, Toluene, Ethylbenze and Xylenes (typical VOC parameters for assessment of hydrocarbon contamination).

CofA:  Certificate of Approval (license issued by MOE for a specific system or process).

DRO:  “Diesel” Range Organic

EPA:  Environmental Protection Act

GAC:  Granular Activated Carbon (i.e. filter media for treatment of hydrocarbon contaminated air or water).

GRO:  “Gasoline” Range Organic

HO:  “Heavy Oil” Range Organic

IAQ:  Interior Air Quality

MDL:  Method Detection Limit.  (i.e. The lowest detectable level of a given parameter, by laboratory analytical instruments).

MOE:  Ministry of the Environment (Ontario)

MTU:  Mobile Treatment Unit (employed by D.L. Services for treatment/control of contaminated ground and surface water).

PHC: Petroleum Hydrocarbons

PID:  Photo-ionization Detector

SVOC:  Semi-Volatile Organic Compound

SWL:  Static Water Level

TPH:  Total Petroleum Hydrocarbons

TSSA:  Technical Standards and Safety Authority

VOC:  Volatile Organic Compound
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