|
9
<br />
<br />96-h LC50 96-h LC50
<br />Test Stage or Temp 95% CI Test Wt Temp 95% CI
<br />organism wt (g) (C) (mg/L) organism (g) (C) (µg/L)
<br />Fathead minnow' 1.0 20 > 1,000 Redear sunfish' 2.5 18 0.38
<br /> 0.17-0.85
<br />Channel catfish' 2.0 22 > 1,000
<br /> Rainbow trout' 1.2 12 1,200
<br />Bluegill' 0.4 20 > 1,000 1,080-1,370
<br />Yellow perch' 2.0 12 > 50 Fathead minnow' - 12 270
<br />Skwala' N 7 12
<br />8.0-18 ALACLOR
<br />Cutthroat trout' 0.9 12 > 100
<br />Chemical Name: 2-Chloro-2'6'-diethyl-N-methoxy=
<br />Rainbow trout' 1.2 10 730 methyl) acetanilide
<br />580-920
<br /> Alternate Names: Lasso, WSSA, MAF, CP50144, '',
<br />Fathead minnow' 1.0 20 > 1,000 Lazo
<br />Channel catfish' 0.5 22 560-1,000 Principal Use: Herbicide
<br />Bluegill' 0.4 20 > 1,000 Sample Description: Technical material, 100%1; liquid,'
<br />Yellow perch' 1.8 12 > 100 43%'
<br />NOTE: Alterations in temperature (7°-20°C), pH (6.5- SUMMARY OF ACUTE TOXICITY
<br />l
<br />i
<br />i
<br />ter tox
<br />ty
<br />9.5), and hardness (12-300 ppm) did not a
<br />c
<br />to trout, bluegills, or yellow perch. An increase in pH 96-h LC50
<br />from 6.5 to 8.5 increased 96-h LC50's in stonefly Test Wt Temp 95% CI
<br />naiads (Pteronarcella) from 6.4 to 21 mg/L. Aging of organism (g) (C) (mg/L)
<br />test solutions for 7 days did not alter the toxicity to
<br />midge larvae (Chironomus). Rainbow trout' 0.8 12 2.4
<br /> 1.8-3.1
<br />AKTON
<br />Chemical Name: 0,0-Diethyl 0-[2-chloro-l-(2,5-
<br />dichlorophenyl)] vinyl phosphorothioate
<br />Alternate Names: Axiom, CAS-1757-18-2, ENT-27102,
<br />SD-9098
<br />Principal Use: Non-systemic soil insecticide
<br />Sample Description: Technical material, 80%1; emulsi-
<br />fiable concentrate, 2 lb/gal'
<br />SUMMARY OF ACUTE TOXICITY
<br />96-h LC50
<br />Test Wt Temp 95% Cl
<br />organism (g) (C) (µg/L)
<br />Channel catfish' 0.7 18 400
<br />295-542
<br />Bluegill' 1.1 18 0.17
<br />0.10-0.27
<br />Bluegill' 1.0 22 4.3
<br /> 3.5-5.5
<br />Rainbow trout' 0.8 12 1.4
<br /> 1.1-1.8
<br />Bluegill' 1.0 22 3.2
<br /> 2.3-4.5
<br />ALDRIN
<br />Chemical name: 1, 2, 3,4,10,10-Hexachloro-
<br />1,4, 4a, 5,8, 8a-hexahydro-l,4-endo-exo-5,8-
<br />dimethanonaphthalene
<br />Alternate Names: Aldrine, Aldrite, Aldrosol, CAS-
<br />309-00-2, Compound 118, ENT-15949, HHDN,
<br />Octalene, Seedrin
<br />Principal Use: Insecticide
<br />Sample Description: Technical material, 90%
|