Priority Substances List - Statement of the Science Report for Ethylene Oxide

List of Acronyms and Abbreviations

ARET : Accelerated Reduction/Elimination of Toxics

BMC : Benchmark Concentration

BOD : biological oxygen demand

CAS : Chemical Abstracts Service

CEPA : Canadian Environmental Protection Act

CEPA 1999 : Canadian Environmental Protection Act, 1999

CFC : chlorofluorocarbon

CI : confidence interval

CL : confidence limit

CTV : Critical Toxicity Value

EEV : Estimated Exposure Value

ENEV : Estimated No-Effects Value

EPI : Exposure Potency Index

GSTT1 : theta-class glutathione S-transferase

GWP : Global Warming Potential

7-HeGua : 7-(2-hydroxyethyl)guanine

HEHis : hydroxyethylhistidine

HEVal : N-(2-hydroxyethyl)valine

Hprt : hypoxanthine phosphoribosyl transferase

IC₅₀ : median inhibitory concentration

K_oc : sorption partition coefficient

K_ow : octanol/water partition coefficient

kg-bw : kilogram body weight

LC₅₀ : median lethal concentration

LCL : lower confidence limit

LD₅₀ : median lethal dose

NPRI : National Pollutant Release Inventory

ODP : Ozone Depletion Potential

OR : odds ratio

PBPK : physiologically based pharmacokinetic

POCP : Photochemical Ozone Creation Potential

PSL : Priority Substances List

RR : relative risk

SD : standard deviation

SE : standard error

SIR : standardized incidence ratio

SMR : standardized mortality ratio

mSMR : meta standardized mortality ratio

sSMR : summary standardized mortality ratio

TC₀₅ : Tumorigenic Concentration₀₅; concentration causing a 5% increase in tumour incidence over background

ThOD : theoretical oxygen demand

TWA : time-weighted average

U.S. EPA : United States Environmental Protection Agency