一般注記"Office of Air Quality Planning and Standards."
Distributed to depository libraries in microfiche
Shipping list no.: 93-0847-M
"January 1992."
"EPA-450/3-91-027"--Cover
Physical description for original version: vi, 45 p. : 28 cm
書誌注記Includes bibliographical references (p. 44-45)
原資料等に関する注記原資料の出版事項: Research Triangle Park, N.C. : Control Technology Center, U.S. Environmental Protection Agency, [1992]
SUPTDOC番号: EP 4.2: EM 4/21
テクニカルリポート番号: EPA-450/3-91-027
GPO管理番号: 0483-E-01 (MF)