596  FOREST SERVICE
  810  CORPS OF ENGINEERS
 1008  BUREAU OF INDIAN AFFAIRS
 1028  GEOLOGICAL SURVEY
 1060  BUREAU OF RECLAMATION
 2100  DEPARTMENT OF TRANSPORTATION
 3315  TENNESSEE VALLEY AUTHORITY
 6010  CA REGIONAL WATER QUALITY CONTROL BOARD NORTH COAST REGION
 9706  CALIFORNIA
 9720  KANSAS
 9721  KENTUCKY
 9731  NEBRASKA
 9732  NEVADA
 9749  UTAH
 9804  FLORIDA DEPARTMENT OF POLLUTION CONTROL
 9805  CENTRAL AND SOUTHERN FLORIDA FLOOD CONTROL DISTRICT
 9813  PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL RESOURCES
 9816  CALIFORNIA DEPARTMENT OF WATER RESOURCES
 9820  SUFFOLK COUNTY DEPARTMENT OF HEALTH, NY
 9821  SUFFOLK COUNTY DEPARTMENT OF ENVIR. CONTROL, NY
 9827  ARKANSAS DEPARTMENT OF POLLUTION CONTROL AND ECOLOGY
17002  ILLINOIS ENVIRONMENTAL PROTECTION AGENCY (IEPA)
29001  MISSOURI DEPT OF NATURAL RESOURCES, DIV OF ENVIR. QUALITY
34001  NEW JERSEY DEPARTMENT OF ENVIRONMENTAL PROTECTION
36012  NEW YORK DEPT. OF ENVIRONMENTAL CONSERVATION, ALBANY, NY
42011  SUSQUEHANNA RIVER BASIN COMMISSION
46002  SOUTH DAKOTA WATER RESOURCES INSTITUTE
80010  USGS ATLANTA CENTRAL LABORATORY, GA
80020  USGS DENVER CENTRAL LABORATORY, CO
80513  DISTRICT WATER-QUALITY LAB, LITTLE ROCK, ARKANSAS
80650  UNIVERSITY OF CALIFORNIA, BERKELEY
81213  DISTRICT WATER-QUALITY LAB, OCALA, FLORIDA
81700  USGS - ILLINOIS DISTRICT
82041  KANSAS STATE DEPARTMENT OF HEALTH AND ENVIRONMENT
84823  INTERNATIONAL BOUNDARY WATER COMMISSION
85116  VIRGINIA DIVISION OF CONSOLIDATED LABORATORY SERVICES
85343  WASHINGTON STATE DEPT. OF ECOLOGY
85641  WYOMING DEPARTMENT OF AGRICULTURE
99001  PRIVATE CONTRACTOR
99999  OTHER