Abbreviations which may be used in this document

(N. B.: Chemical elements and pesticides are not included in this list)

ADI

acceptable daily intake

ai

active ingredient

b.p.

boiling point

bw/b.w.

body weight

°C

degree Celsius (centigrade)

CCPR

Codex Committee on Pesticide Residues

EC

emulsion concentrate

ERL

extraneous residue limit

FAO

Food and Agriculture Organization of the United Nations

g

gram

m g

microgram

GAP

good agricultural practice

GL

guideline level

ha

hectare

IARC

International Agency for Research on Cancer

i.m.

intramuscular

i.p.

intraperitoneal

IPCS

International Programme on Chemical Safety

IRPTC

International Register of Potentially Toxic Chemicals

JMPR

Joint FAO/WHO Meeting on Pesticide Residues (Joint Meeting of the FAO Panel of Experts on Pesticide Residues in Food and the Environment and a WHO Expert Group on Pesticide Residues)

k

kilo- (× 1000)

kg

kilogram

l

litre

LC₅₀

lethal concentration, 50%

LD₅₀

lethal dose, median

m

metre

mg

milligram

ml

millilitre

m.p.

melting point

MRL

Maximum Residue Limit.

MTD

maximum tolerated dose

ng

nanogram

NOAEL

no-observed-adverse-effect level

NOEL

no-observed-effect level

OP

organophosphorus pesticide

PHI

pre-harvest interval

ppm

parts per million (Used only reference to the concentration of a pesticide in an experimental diet. In all other contexts the terms mg/kg or mg/l are used).

sp gr

specific gravity

STEL

Short Term Exposure Limit

TADI

Temporary Acceptable Daily Intake

TLV

Threshold Limit Value

TMDI

theoretical maximum daily intake

TMRL

Temporary Maximum Residue Limit

TWA

Time Weighted Average

UNEP

United Nations Environment Programme

WHO

World Health Organization

WP

wettable powder

wt

weight

<

less than

<<

much less than

£

less than or equal to

>

greater than

³

greater than or equal to

(N. B.: Chemical elements and pesticides are not included in this list)
ADI	acceptable daily intake
ai	active ingredient
b.p.	boiling point
bw/b.w.	body weight
°C	degree Celsius (centigrade)
CCPR	Codex Committee on Pesticide Residues
EC	emulsion concentrate
ERL	extraneous residue limit
FAO	Food and Agriculture Organization of the United Nations
g	gram
m g	microgram
GAP	good agricultural practice
GL	guideline level
ha	hectare
IARC	International Agency for Research on Cancer
i.m.	intramuscular
i.p.	intraperitoneal
IPCS	International Programme on Chemical Safety
IRPTC	International Register of Potentially Toxic Chemicals
JMPR	Joint FAO/WHO Meeting on Pesticide Residues (Joint Meeting of the FAO Panel of Experts on Pesticide Residues in Food and the Environment and a WHO Expert Group on Pesticide Residues)
k	kilo- (× 1000)
kg	kilogram
l	litre
LC₅₀	lethal concentration, 50%
LD₅₀	lethal dose, median
m	metre
mg	milligram
ml	millilitre
m.p.	melting point
MRL	Maximum Residue Limit.
MTD	maximum tolerated dose
ng	nanogram
NOAEL	no-observed-adverse-effect level
NOEL	no-observed-effect level
OP	organophosphorus pesticide
PHI	pre-harvest interval
ppm	parts per million (Used only reference to the concentration of a pesticide in an experimental diet. In all other contexts the terms mg/kg or mg/l are used).
sp gr	specific gravity
STEL	Short Term Exposure Limit
TADI	Temporary Acceptable Daily Intake
TLV	Threshold Limit Value
TMDI	theoretical maximum daily intake
TMRL	Temporary Maximum Residue Limit
TWA	Time Weighted Average
UNEP	United Nations Environment Programme
WHO	World Health Organization
WP	wettable powder
wt	weight
<	less than
<<	much less than
£	less than or equal to
>	greater than
³	greater than or equal to