DOCUMENTS INCORPORATED BY REFERENCE (4VAC25-130).
Standard Methods for the Examination of Water and Wastewater, 17th Edition, 1989, American Public Health Association
Uniform Customs and Practices for Documentary Credits, 1993 Revision (Publication No. 500), effective January 1, 1994, International Chamber of Commerce
Earth Dams and Reservoirs, Technical Release No. 60 210-VI, revised October 1985, U.S. Department of Agriculture, Soil Conservation Service, Engineering Division