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RATL: A Database of Reptile and Amphibian Toxicology Literature

RATL: A Database of Reptile and Amphibian Toxicology Literature

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Table 5 - FETAX Studies - 18<br />

Contaminant a Contaminant<br />

b<br />

Concentration<br />

b<br />

LC50 EC50 b<br />

TI d<br />

MCIG d<br />

NOEL d<br />

LOEL d<br />

Effects/Notes de<br />

Reference k<br />

rifampicin >0.2 mg/L >0.2 mg/L Unactivated rifampicin was not<br />

developmentally toxic at the limit <strong>of</strong><br />

solubility in 1% DMSO. Bioactivation<br />

decreased the LC50 to 1400 mg/L. The<br />

EC50 for bioactivated rifampicin was 500<br />

mg/L <strong>and</strong> the TI was 2.8.<br />

Fort et al. 1989<br />

saccharin 14.68 - 14.13 - 0.9 - 1.1 13.33 -<br />

Bantle et al. 1994b<br />

16.43 16.95<br />

16.67<br />

saccharin 17.94 - 18.2 - 0.95 - 12- 17 Dawson <strong>and</strong> Bantle 1987b<br />

21.09 20.71 1.02<br />

salicylaldehyde 10.8 mg/L 5.5 mg/L<br />

Schultz <strong>and</strong> Dawson 1995<br />

mean mean<br />

salicylic acid 1067 476.4<br />

Schultz <strong>and</strong> Dawson 1995<br />

mg/L mg/L<br />

mean mean<br />

semicarbazide<br />

10.8 mg/L<br />

At malformation inducing conc. levels: Dawson <strong>and</strong> Wilke 1991a<br />

hydrochloride<br />

(tested<br />

semicarbazide:isoniazid = Conc. additive,<br />

alone)<br />

TU=1.0. For embryo lethal conc. levels:<br />

semicarbazide:isoniazid = responseaddition<br />

(TU>1.0).<br />

semicarbazide<br />

Ratios <strong>of</strong> measured <strong>and</strong> calculated model Shirazi <strong>and</strong> Dawson 1991<br />

hydrochloride<br />

parameters <strong>and</strong> median conc. ranged from<br />

0.72 - 1.44 with an average <strong>of</strong> 0.99.<br />

semicarbazide<br />

1504 76.28 TI (P):<br />

Dose dependent severity <strong>of</strong> bent <strong>and</strong> Snawder <strong>and</strong> Chambers 1989<br />

hydrochloride<br />

(1052- (23.20- 19.7<br />

wavy notochords. Some edema seen in a<br />

2313) 125.8)<br />

few tadpoles. NAD+ reductions were dose<br />

dependent. (p= effect <strong>of</strong> abnormal<br />

pigmentation observed; g= effect <strong>of</strong><br />

abnormal gut observed; n= abnormal<br />

notochord).<br />

serotonin Moderately strong teratogenic potential. DeYoung et al. 1991<br />

sewage 10-50 µg/L 31.74 µg/L 10 µg/L 1.98 Sewage included Triton-16, an anionic<br />

detergent. Embryos showed axial<br />

abnormalities (6%) <strong>and</strong> 5% died. 10µg/L<br />

significantly reduced length.<br />

Presutti et al. 1994<br />

sodium butyrate 379.2 mg/<br />

Butyric acid:petanoic acid = conc. Dawson <strong>and</strong> Wilke 1991a<br />

L<br />

(tested<br />

alone)<br />

additive (TU=1.0).

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