Environmental Engineering Reference
In-Depth Information
75
Fipronil
Rice field
28-560 g ai/ha, 0-400 hr
CH 3 OH & Solid-phase
extraction GC
Icon ® 80 WDG
Icon ® 1.67 SC
Icon ® 1.5 G
DT 50 (water) = 0.4-5.2 d
G > WDG > SC
DT 50 (soil) = 1.9-22.2 d
WDG > G > SC
Ngim and
Crosby
(2001)
Cl
H 2 N
SOCF 3
F 3 C
N
N
CN
Cl
76
Oxyfluorfen
O
3 olive grove fields
480 g ai/ha, 0-160 d
CH 3 OH extraction, HPLC
Goal ® 2XL (24 EC)
Goal ® G4F (48 SC)
DT 50 = 11-21 d (EC)
Martínez et al.
(2004)
16-23 d (SC)
OC 2 H 5
CF 3
Cl
NO 2
13
Atrazine
Corn field (clay loam)
1.68 kg ai/ha, 0-4 mon
CH 3 OH extraction, GC
Flowable (FL)
WP
DT 50 = 65 d (FL)
Khan et al.
(1981)
69 d (WP)
Cl
N
N
C 2 H 5 NH
N
NHCH(CH 3 ) 2
a Mixture of amine salts of organic acids, aromatic acids and aromatic & aliphatic petroleum distillates.
b Agral, polyoxyethylene nonylphenols; Toil, methyl esters of rapeseed fatty acids; Bond, styrene-butadiene copolymers.
c Ortho HDD, alkylphenoxy polyethylene glycol.
d Olbras, postrefined fatty acids emulsifier; Atpolan, paraffin oil emulsifier; NA, not available.
 
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