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OLS Field Name OLS Field Data
Main Title Methyl Methacrylate 18-Month Vapor Inhalation Safety Evaluation Study in Hamsters (Final Report) with Attachments and Cover Sheet Dated 07/17/1989 (Sanitized).
CORP Author Hazleton Labs., Falls Church, VA.; Rohm and Haas Co., Philadelphia, PA.; Environmental Protection Agency, Washington, DC. Office of Toxic Substances.
Year Published 2000
Report Number 86-890001400S
Stock Number OTS0521017
Additional Subjects Toxicology ; Health effects ; Methyl Methacrylate (80-62-6) ; Chronic Toxicity ; Mammals ; Hamsters ; Inhalation ; Toxic substances ; Laboratory animals ; CAS No 80-62-6
Library Call Number Additional Info Location Last
NTIS  OTS0521017 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. 03/10/2010
Collation 24p
Abstract Chronic toxicity was evaluated in hamsters (53-59/sex/dose group) exposed to methyl methacrylate vapor at concentrations of 0, 25, 100, or 400 ppm for 6 hours/day, 5 days/week for 18 months. Mortality rates, in the control, low-, mid-, and high-dose groups were 34.5, 43.4, 35.7, and 60.0% (males) and 72.7, 64.9, 62.5 and 68.8% (females), respectively. Treatment did not affect body weight gain, hematocrit level or erythrocyte and leukocyte counts. Hemoglobin concentration was decreased in high-dose males sampled at 79 weeks, but was normal in all other groups. Numerous gross abnormalities were seen in control and treated rats,but no statistical analysis of these results was reported.
Supplementary Notes The quality of the documents listed in the Office of Toxic Substances database may not meet usual NTIS standards but are included to further the opportunity for the scientific and technical community to locate materials which may not be available elsewhere. The content is the responsibility of OTS. Prepared in cooperation with Rohm and Haas Co., Philadelphia, PA.
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PUB Date Free Form 2000
Category Codes 57Y; 57U; 68G; 99; 44G
NTIS Prices PC A03/MF A03
Document Type NT
Cataloging Source NTIS/MT
Control Number 028802400
Origin NTIS
Type CAT