Acronym	Phrase
ADAF	age-dependent adjustment factor
ATSDR	US Agency for Toxic Substances Disease Registry
Cal-EPA	California Environmental Protection Agency
COPC	contaminant of potential concern
CSM	conceptual site model
CT	carbon tetrachloride
DNA	deoxyribonucleic acid
DNAPL	dense, non-aqueous phase liquid
DQA	data-quality analysis
DTSC	California Department of Toxic Substances Control
DUE	data-usability evaluation
EPA	US Environmental Protection Agency
HHSE	human health screening evaluation
IQ	intelligence quotient
MCL	maximum-allowed contaminant level
NY	New York
PAH	polyaromatic hydrocarbons
PCB	polychlorinatedbiphenyl
PCE	perchloroethylene (tetrachloroethylene)
PM	particulate matter
PPA	Prospective Purchaser Agreement
SVOC	semi-volatile organic compound
TCE	trichloroethylene
TPH	total petroleum hydrocarbons
UK	United Kingdom
US	United States
VOC	volatile organic compound