AAA

Agricultural Adjustment Act

ACGIH

American Conference of Governmental Industrial Hygienists

BAF

bioaccumulation factor

BCF

bioconcentration factor

brd

bird (domestic or lab)

BRN

brain

bwd

wild bird species

C.

centigrade

CAA

Clean Air Act

CAS

Chemical Abstract Service

C.C.

closed cup

cc

ceiling concentration

cc

cubic centimetres

C.C.C.

Cleveland closed cup

CERCLA

Comprehensive Environmental Response, Compensation and Liability Act

CFR

Code of Federal Regulations

chd

child

C.I.

confidence interval

ckn

chicken

C.L.

confidence limits

CNS

central nervous system

C.O.C.

Cleveland open cup

ctl

cattle

cu m

cubic metre

CVS

cardiovascular system

CWA

Clean Water Act

d

day

dck

duck

D.O.

dissolved oxygen

DOT

U.S. Department of Transporation

EC50

Median effect concentration - the combined total percentage of organisms immobilized, organisms exhibiting loss of equilibrium, and possibly resulting in death

ED

effective dose

E-L

embryo-larval stage

ELS

early life stage

EM

ecological magnification factor

EPA

U.S. Environmental Protection Agency

EVC

eviscerated carcass

F.

Fahrenheit

FFDA

Federal Food and Drug Administration

FFDCA

Federal Food Drug and Cosmetic Act

FIFRA

Federal Insecticide Fungicide and Rodenticide Act

FIL

Fillet or Muscle

FLD

field study

FR

Federal Register

frg

frog

FSA

Federal Seed Act

FT

flow-through

FWPCA

Federal Water Pollution Control Act

gpg

guinea pig

grb

gerbil

ham

hamster

hmn

human

HMTA

Hazardous Materials Transportation Act

HNOAEL

Highest No Observed Adverse Effect Level

hr

hour

ial

intraaural

IARC

International Agency for Research in Cancer

iat

intraarterial

ice

intracerebral

icu

intracervical

idr

intradermal

idu

intraduodenal

IF

intermittent flow

ihl

inhalation

imm

immersion

imp

implant

ims

intramuscular

inf

infant

inj

injection (tissue unspecified)

ipc

intraplacental

ipl

intrapleural

ipr

intraperitoneal

irn

intrarenal

isp

intraspinal

itr

intratracheal

ivs

intravasinal

ivn

intravenous

kg

kilogram

l

litre

LC

life cycle

LC50

The statistically determined concentration which induces death to 50% of organisms tested following a single exposure

LD50

The statistically determined dose which induces death to 50% of organisms tested following the administration of a single dose of compound

LDlo

lowest lethal dose tested

LClo

lowest lethal concentration tested

leu

leukocyte

LIV

liver

LOAEL

Lowest Observed Adverse Effect Level

lug

lung

lym

lymphocyte

M

Molar

m

metre

mam

mammal (species unspecified)

mar

mammary gland

mg

milligram

min

minute

mkg

monkey

ml

millilitre

mmHg

millimetre of mercury

mo

month

mol

mole

MON

monitoring data

mos

months

msl

muscle

mul

multiple routes

mur

mouse

ng

nanogram

NG

not given

NIOSH

National Institute for Occupational Safety and Health

nmol

nanomole

NOAEL

No Observed Adverse Effect Level

NOEL

No Observed Effect Level

N.O.S.

not otherwise specified (not isomer specific)

n.s.i.

no specific isomer

O.C.

open cup

ocu

ocular

OFL

offal

ORG

unidentified organ

orl

oral

OSHA

Occupational Safety and Health Administration

ovr

ovary

pc

peak concentration

PEL

Permissable Exposure Limit

pg

picogram

pgn

pigeon

PHSA

Public Health Service Act

PLC

partial life cycle

pmol

picomole

PNS

peripheral nervous system

ppb

parts per billion

pph

parts per hundred (percent)

ppm

parts per million

ppt

parts per trillion

ppth

parts per thousand

qal

quail

RBC

red blood cell

rbt

rabbit

RCRA

Resource Conservation and Recovery Act

rec

rectal

REN

renewal

SCE

sister chromatid exchange

scu

subcutaneous

S.D.

standard deviation

sec

second

skn

skin

sql

squirrel

SS

steady state

ST

static test

STEL

Short Term Exposure Limit

STO

stomach

STP

Standard Temperature and Pressure

tc

toxic concentration

td

toxic dose

tes

testicle

TLV

Threshold Limit Value

tod

toad

torr

the pressure required to support 1 millimetre of mercury at 0 degrees C

trk

turkey

TWA

Time Weighted Average

U-D

uptake and depuration

ug

microgram

umol

micromole

VIS

viscera or offal

WB

whole body

WBC

white blood cell

wk

week

wmn

woman

y

year

%

percent