一般注記"Prepared by Eastern Research Group, Inc."--1st prelim. p
Shipping list no.: 99-0187-M
"September 1998."
No longer available via Internet
"EPA-822-R-98-007."
"EPA contract no. 68-D5-0028"--1st prelim. p
Physical description for original version: 1 v. (various pagings) : 28 cm
書誌注記Includes bibliographical references
原資料等に関する注記原資料の出版事項: Washington, DC : Office of Water, U.S. Environmental Protection Agency, [1998]
SUPTDOC番号: EP 2.2: P 34
テクニカルリポート番号: EPA-822-R-98-007
GPO管理番号: 0473-A-01 (MF)