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Environmental and Workplace Health

Priority Substances List Assessment Report for Hexachlorobutadiene

List of Acronyms and Abbreviations

BCF : bioconcentration factor

BMD  : benchmark dose

BMD05  : dose associated with a 5% increase in the benchmark endpoint

BMDL05  : 95% lower confidence limit on the BMD05

CAS  : Chemical Abstracts Service

CEPA  : Canadian Environmental Protection Act

CEPA 1999  : Canadian Environmental Protection Act, 1999

CFC  : chlorofluorocarbon

CTV  : Critical Toxicity Value

EEV  : Estimated Exposure Value

ENEV  : Estimated No-Effects Value

GSH  : glutathione

GWP  : Global Warming Potential

HCBD  : hexachlorobutadiene

Koc  : organic carbon/water partition coefficient

Kow  : octanol/water partition coefficient

kg-bw  : kilogram body weight

LC50  : median lethal concentration

LD50  : median lethal dose

LOAEL  : Lowest-Observed-Adverse-Effect Level

LOEC  : Lowest-Observed-Effect Concentration

LOEL  : Lowest-Observed-Effect Level

NOAEL  : No-Observed-Adverse-Effect Level

NOEL  : No-Observed-Effect Level

ODP  : Ozone Depletion Potential

OECD  : Organisation for Economic Co-operation and Development

POCP  : Photochemical Ozone Creation Potential

PSL  : Priority Substances List

PSL2  : second Priority Substances List

TC  : Tolerable Concentration

TI  : Tolerable Intake