Centre canadien d'hygiène et de sécurité au travail
Symbole du gouvernement du Canada

>Abbreviations Used in CESARS

You will find a number of abbreviations are used within a CESARS record. The following represents a complete list of these abbreviations.
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