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OLS : Record

RECORD NUMBER: 21 OF 22

Main Title Summary Environmental Data for Maleic Anhydride: 2,5-Furandione and Toxilic Anhydride with Cover Letter.
CORP Author Dow Chemical Co., Midland, MI.; Environmental Protection Agency, Washington, DC. Office of Toxic Substances.
Year Published 1984
Report Number 878214742
Stock Number OTS-0206649
Subjects Environmental effects; Toxicity; Exposures; Acute; Environmental fate; Biodegradation; Freshwater fish; Laboratory animals; Maleic anhydride; Dow Chemical Company; CAS No 108-31-3
Holdings
Library   Call Number Additional Info Location Date Modified
NTIS OTS-0206649 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. NTIS 10/16/2009
Collation 154p
Abstract The present investigation was to determine whether there are any combined effects occurring in laboratory animals undergoing such exposures and to extrapolate for possible health hazards to the operator. The presence of cyanide vapor was not considered likely to increase the toxicity of maleic anhydride since the acute toxicity of maleic anhydride is primarily due to the irritation it causes in the respiratory tract. But since acrylonitrile is acutely toxic primarily from its cyanide action, it was considered possible that respiratory tract irritation which could result from maleic anhydride could increase the absorption of acrylonitrile vapors and thereby increase its effect. Exposure of laboratory animals to maleic anhydride vapors followed by acrylonitrile vapor or to both compounds simultaneously, did not reveal, under the experimental conditions, any significant difference in survival time. Exposures of animals to both compounds in sequence revealed that their effects were independent of each other. However, when the animals were subjected to both compounds simultaneously, additive responses were observed.
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 American Petroleum Inst., Washington, DC.
Availability Notes Product reproduced from digital image. Order this product from NTIS by: phone at 1-800-553-NTIS (U.S. customers); (703)605-6000 (other countries); fax at (703)605-6900; and email at orders@ntis.gov. NTIS is located at 5285 Port Royal Road, Springfield, VA, 22161, USA.
PUB Date Free Form 23 Oct 1984
Category Codes 57Y; 68D
NTIS Prices PC A09/MF A09
Document Type NT
Control Number 019001830
Cataloging Source NTIS/MT
Origin NTIS
Type CAT


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