一般注記Distributed to depository libraries in microfiche
Shipping list no.: 94-0303-M
"July 1990."
"EPA-450/4-90-014"--Cover
Physical description for original version: vii, 70 p. : 28 cm
書誌注記Includes bibliographical references (p. 70)
原資料等に関する注記原資料の出版事項: Research Triangle Park, N.C. : U.S. Environmental Protection Agency, Office of Air Quality Planning and Standards, [1990]
SUPTDOC番号: EP 4.8: AI 7/19
テクニカルリポート番号: EPA-450/4-90-014
GPO管理番号: 0483-E-02 (MF)