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Abbreviation Description
a.i. active ingredient
/A per acre
AS/AF aqueous suspension, aqueous flowable
bu bushel
D dust
dh days to harvest
DF dry flowable
E/EC emulsifiable concentrate (emulsible/emulsion/miscible)
F/FL flowable formulation
FM flowable microencapsulated
fl oz fluid ounce
G granular
gal gallon
h hour
hyb hybrid
lb pound
L/LC liquid concentrate
OMRI Organic Materials Review Institute
oz ounce
p.s.i. pounds per square inch
pt pint
qt quart
REI restricted entry interval
S/SC soluble concentrate, spray concentrate
SL slurry
SP soluble powder
sq square (foot or yard)
tbsp tablespoon (level)
tsp teaspoon (level)

WDG

Water Dispersable Granules 

WG

Wettable Granules 
W/WP wettable powder
W/SL water soluble liquid
WSP wettable, soluble powder

* federally-restricted pesticide

Throughout this publication, trade names (the companies' names) begin with a capital letter and common names begin with a lower case letter.