7941

• UCREFRP Catalog Number: 7941
• Author: Johnson, W. W. and M. T. Finley
• Title: Editor
• USFW Year: Series
• USFW - Doc Type: 1980
• Copyright Material: NO

27
SUMMARY OF ACUTE TOXICITY
96-h LC50
Test Stage or Temp 95% CI 96-h LC50
organism wt (g) (C) (µg/L) Test Stage or Temp 95% CI
organism wt (g) (C) (mg/L)
Bluegill' 1.0 18 168
120-220 Rainbow trout' 1.0 13 6.3
4.7-8.4
848-h EC50.
bTested in hard water, 162 ppm CaCO,. Goldfish' 0.9 18 7.8
4.8-12.6
Fathead minnow' 0.8 18 6.0
4.0-9.1
DICAMBIA
Green sunfish' 1.1 18 5.7
Chemical Name: 2-Methoxy-3,6-dichlorobenzoic acid 3.6 8.9
Alternate Names: Banex, Banvel, CAS 1918-00-9, Bluegill' 1.5 18 8.3
6.0-11.6
Dianet, Mediben

us'
Simocephal
I1
15
8
Principal Use: Herbicide
4
4.84
Sample Description: Technical material, 88% Daphnia pulex' 11 15 3.7
3.3-4.2
SUMMARY OF ACUTE TOXICITY
Asellus' M 15 35
96-h LC50
Test Stage or Temp 95% CI
organism wt (g) (C) (mg/L) G. lacustris' M 21 11
8-15
Daphnia magna I1 21 > 100a,b
Pteronarcys' YC2 15 7.0
Asellus M 15 > 1006 5.5-9.0
G. fasciatus M 15 > 100b Rainbow trout' 2.6 12 140
Palaemonetes M 21 > 566 Bluegill9 1.0 24 120
Rainbow trout 0.8 12 28 848 h EC50.
Bluegill 0.9 12 > 50 NOTE: Variations in water hardness from 44 to
272 ppm did not alter the toxicity to fish. In the
848 h EC50. 6-dichlorobenzoic acid, 96-h LC50 values
metabolite
2
bTested in hard water, 272 ppm CaCO,. ,
,
exceeded 100 mg/L for rainbow trout and bluegills.
DICHLOBENIL DICHLOFENTHION
Chemical Name: 2,6-Dichlorobenzonitrile Chemical Name: 0,0-Diethyl 0-(2,4 dichlorophenyl)
phosphorothioate
Alternate Names: CAS 1194-65-6, Casoron, 2,6-DBN,
DU-SPREX, ENT-26665, NIA 5996. Alternate Names: CAS 97-17-6, dichlorofenthion,
ENT-17470, Hexa-Nema, Mobilawn, Nemacide, Tri-
Principal Use: Herbicide VC 13, VC 13, V-C 1-13
Sample Description: Technical material, 98.9%1; Principal Use: Nematocide, insecticide
wettable powder, 50%2; metabolite (2,6-Dichloro=
benzoic acid), technical material, 100% Sample Description: Technical material, 100%