Methods for Deriving Pesticide Aquatic Life Criteria - Reviews of Environmental Contamination and Toxicology - page 26

Guidelines for deriving numerical
national water quality criteria
for the protection of aquatic
organisms and their uses

USEPA 1985 United States CMC: criterion maxi-

mum concentration
CCC: criterion continu-
ous concentration

Used for setting water quality standards, setting discharge limits, and
other regulatory programs; for protection from short-term exposure
Used for setting water quality standards, setting discharge limits, and
other regulatory programs; for protection from long-term exposure

A protocol for the derivation of
water quality guidelines for
the protection of aquatic life

CCME 1999 Canada Guidelines Single maximum which is not to be exceeded

Australia and New Zealand
guidelines for fresh and
marine water quality

ANZECC &
ARMCANZ

2000 Australia/

New Zealand

HRTV: high reliability
trigger value

Derived from >1 multispecies or >5 single-species chronic values; not a
mandatory standard; exceedance triggers further investigation
Derived from > 5 acute data; not a mandatory standard; exceedance
triggers further investigation

MRTV: medium reliabil-
ity trigger value

LRTV: low reliability
trigger value

Derived from <5 acute or chronic values; not used as a guideline value

Guidance document on deriving
environmental risk limits in
the Netherlands

RIVM 2001 The

Netherlands

NC: negligible
concentration
MPC: maximum permis-
sible concentration

Used to set environmental quality standards (EQS); EQS may or may not
be legally binding
Used to set EQS; EQS may or may not be legally binding

SRC ECO : ecosystem seri-
ous risk concentration

Used to set EQS; EQS may or may not be legally binding

Water quality guidance for
the Great Lakes system

USEPA 2003 United States Tier I CMC Adopted into water quality standards or used to implement narrative

criteria; for protection from short-term exposure

Tier I CCC Adopted into water quality standards or used to implement narrative

criteria; for protection from long-term exposure

Tier II CMC Used only for implementation of narrative criteria; for protection from

short-term exposure

Tier II CCC Used only for implementation of narrative criteria; for protection from

long-term exposure

Technical guidance document on
risk assessment, Part II.

ECB 2003 European

Union

PNEC: predicted Used in risk assessment