Priority Substances List Assessment Report for Inorganic Chloramines

List of Acronyms and Abbreviations

CAC : combined available chlorine

CAS : Chemical Abstracts Service

CEPA : Canadian Environmental Protection Act

CEPA 1999 : Canadian Environmental Protection Act, 1999

CPO : chlorine-produced oxidants

CRC : combined residual chlorine

CTV : Critical Toxicity Value

DNA : deoxyribonucleic acid

DPD : N,N-diethyl-p-phenylenediamine

^EC50 : median effective concentration

EEC : Estimated Environmental Concentration

EEV : Estimated Exposure Value

ENEV : Estimated No-Effects Value

FAC : free available chlorine

FAS : ferrous ammonium sulfate

FRC : free residual chlorine

FVRD : Fraser Valley Regional District

HPLC : high-pressure liquid chromatography; high-performance liquid chromatography

^LC50 : median lethal concentration

^LT50 : median lethal time

NOAEC : No-Observed-Adverse-Effect Concentration

pH : negative logarithm of the hydrogen ion concentration

pK : negative logarithm of the acid dissociation constant

PSL : Priority Substances List

PSL2 : Second Priority Substances List

RNA : ribonucleic acid

STP : standard temperature and pressure

THM : trihalomethane

TRC : total residual chlorine

TRO : total residual oxidant

WTP : water treatment plant

WWTP : wastewater treatment plant