一般注記Distributed to depository libraries in microfiche
Shipping list no.: 93-0644-M
"March 1991."
Physical description for original version: vi, 108, 8 p. : 28 cm
書誌注記Includes bibliographical references (p. 103-108)
原資料等に関する注記原資料の出版事項: Research Triangle, NC : U.S. Environmental Protection Agency, Office of Air and Radiation, Office of Air Quality Planning and Standards, [1991]
SUPTDOC番号: EP 4.2: F 76/991
テクニカルリポート番号: EPA-450/4-91-012
GPO管理番号: 0483-E-01 (MF)