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RECORD NUMBER: 18 OF 256

Main Title Developmental Toxicity Study of Inhaled Methyl Tertiary Butyl Ether in New Zealand White Rabbits (Final Report) with Attachments and Cover Letter Dated 07/12/1989.
CORP Author Bushy Run Research Ctr; Mellon Inst.-Union Carbide Corp., Export, PA. Bushy Run Research Center.; Environmental Protection Agency, Washington, DC. Office of Toxic Substances.
Year Published 2000
Report Number 40-8913426
Stock Number OTS0528041
Additional Subjects Toxicology ; Health effects ; Methyl-t-butyl Ether ; Reproduction/fertility Effects ; Teratogenicity ; Mammals ; Rabbits ; Inhalation ; Toxic substances ; Laboratory animals ; CAS No 1634-04-4
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NTIS  OTS0528041 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation 280p
Abstract Methyl tertiary butyl ether was evaluated for developmental toxicity in groups of 15 bred female New Zealand white rabbits receiving whole-body exposure to nominal vapor concentrations of 0, 100, 4000, and 8000 ppm for 6 hours/day on days 6-18 of gestation. Maternal mortality was not observed and all does were sacrificed on gestation day 29. A statistically significant (p < 0.01) reduction in food consumption rates was observed at 8000 ppm. Gross necropsy revealed significantly (p < 0.05) increased liver weights at 8000 ppm. There were no differences between control and treatment groups with respect to the number of corpora lutea, early and late resorptions, non-viable fetuses, viable implantations, pre- or post-implantation losses, sex ratios, or fetal malformations (skeletal, external, or visceral).
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PUB Date Free Form 2000
Category Codes 57Y; 57U; 68G; 99; 44G
NTIS Prices PC A14/MF A14
Document Type NT
Cataloging Source NTIS/MT
Control Number 028803010
Origin NTIS
Type CAT