ABBREVIATIONS

AF                                             Assessment factor

 

AOP                                         Adverse outcome pathway

 

AWQC                                     Ambient water quality criteria

 

CBB                                           Critical body burden

 

CBR                                          Critical body residue

 

CCME                                      (Canadian) Council of Ministers of the     Environment

 

CSD                                          Community sensitivity distributions

 

EQS                                          Environmental quality standards

 

EPA                                          (US) Environmental Protection Agency

 

EPT                                          Ephemeroptera–plecoptera–trichoptera taxa

 

ERA                                          Environmental risk assessment
f-SSD                                       field-based species sensitivity distribution

 

FWQG                                     (US) Federal water quality guideline

 

HCp                                          Hazardous Concentration for p% of species (where p is usually 5)

 

hSSD                                        Hierarchical species sensitivity distribution

 

ICE                                            Interspecies correlation estimation

 

LAS                                           Linear alkylbenzene sulfonate

 

LC50                                        Lethal concentration for 50% of test population

 

LD50                                       Lethal dose for 50% of test population

 

LLHC5                                    Lower limit hazardous concentration for 5% of species

 

MCDA                                    Multi-criteria decision analysis

 

MDR                                        Minimum data requirement

 

MOA                                        Mode of action

 

MSS                                           Mode-specific sensitivity

 

NOEC                                      No observed effect concentration

 

PBPK                                       Physiologically based pharmacokinetic

 

PEC                                           Predicted environmental concentration

 

PNEC                                       Predicted no effect concentration

 

PNOF                                       Potentially not occurring fractions

 

QSAR                                       Quantitative structure activity relationship

 

QSSR                                        Quantitative species sensitivity relationship

 

RAC                                          Regulatory acceptable concentration

 

REACH                                     EU regulatory framework for the                     Registration, Evaluation and Authorisation                                                                              of Chemicals

 

SSD                                           Species sensitivity distribution

 

SQG                                         Sediment quality guidelines

 

TGD                                         Technical guidance document

 

WFD                                        European Water Framework Directive

 

WoE                                       Weight of evidence

 

WQC                                      Water quality criteria