USGS used laboratories that participated in the Spring 2004 inter-laboratory comparison
Lab# Laboratory Name City State
1 U.S. Geological Survey - National Water Quality Laboratory Denver  CO
4 U.S. Geological Survey - Utah District Laboratory West Valley City UT
10 U.S. Bureau of Reclamation Boise    ID
16 Oklahoma Department of Environmental Quality Oklahoma City  OK
18 Illinois Environmental Protection Agency Champaign    IL
21 UC Davis - Department of Environmental Science & Policy Davis  CA
23 City of Fort Collins Ft. Collins    CO
25 Kentucky Geological Survey Lexington    KY
31 High Sierra Water Laboratory  Truckee CA
33 U.S. Geological Survey - Panola Mountain Watershed Project Atlanta  GA
46 Wisconsin State Laboratory of Hygiene Madison    WI
59 Division of Consolidated Laboratory Services Richmond    VA
70 University of Iowa - Hygienic Laboratory Des Moines    IA
72 New Jersey Department of Health Trenton    NJ
89 Monroe County Environmental Health Laboratory Rochester NY
91 Georgia Department of Natural Resources Atlanta    GA
102 Heidelberg College - Water Quality Laboratory Tiffin    OH
105 Pennsylvania Department of Environmental Protection Harrisburg    PA
110 U.S. Geological Survey - New York District Laboratory Troy    NY
134 U.S. Geological Survey - Ocala Water Quality and Research Laboratory Ocala    FL
142 North Dakota Department of Health Bismarck    ND
147 U.S. Geological Survey - Surface Water Quality Research Boulder CO
180 Clean Water Services Hillsboro    OR
193 Vermont Department of Environmental Conservation Laboratory Waterbury    VT
205 Olsen's Agriculture Laboratory McCook    NE
208 U.S. Geological Survey - San Diego District San Diego  CA
212 Severn Trent Laboratories - Denver Arvada    CO
219 U.S. Geological Survey - Minerals Program Laboratory Denver    CO
230 UZ HydroChemistry Laboratory - Yucca Mountain Project Denver    CO
234 City of Wichita Wichita    KS
235 Trace Element Research Laboratory College Station  TX
245 Frontier Geosciences Inc. Seattle    WA
254 U.S. Geological Survey, WRD, NRP Menlo Park    CA
284 Data Resources Inc. Columbia  SC
298 U.S. Geological Survey - Wisconsin District Mercury Laboratory Middleton    WI
318 University of Maryland Solomons  MD
319 Fairfax County Environmental Services Lorton  VA
327 North Carolina Department of Environment and Natural Resources Raleigh  NC
333 U.S. Geological Survey - Colorado District WEBB Laboratory Denver CO
341 Michigan Department of Environmental Quality Lansing MI
356 Washington State Department of Ecology - Manchester Environmental Laboratory Port Orchard WA
366 TriMatrix Laboratories Grand Rapids MI
369 New Hampshire Department of Environmental Services Concord NH
373 City of Tulsa Tulsa OK
374 U.S. Geological Survey - Miami Subdistrict Miami FL
377 Environmental Task Force Laboratory Stevens Point WI
378 Minnesota Department of Health Minneapolis    MN
379 Mississippi Department of Environmental Quality Pearl MS
380 New Mexico Health Department Albuquerque NM
381 North Atlantic Coastal Laboratory North Truro MA
386 Johnson County Environmental Laboratory Mission KS
390 University of Southern Mississippi Stennis Space Center MS
392 Mississippi State Chemical Laboratory Mississippi State MS
395 Milwaukee Metropolitan Sewerage District Milwaukee WI
397 Green Bay Metropolitan Sewerage District Laboratory Green Bay WI
398 TIAER Laboratory Stephenville TX
Volunteer laboratories that participated in the Spring 2004 inter-laboratory comparison
  Laboratory Name City State
Alabama Power Company Calera AL
Albion Environmental College Station    TX
Aqua Tech Environmental Laboratory (ATEL) Marion  OH
Boise City Water Quality Laboratory Boise    ID
Central Contra Costa Sanitary District Martinez    CA
City of  Northglenn Northglenn    CO
City of Pueblo Pueblo    CO
City of Tallahassee Tallahassee    FL
City of Westminster Westminster    CO
Columbia Analytical Services Rochester  NY
Cook Inlet Community-Based Water Quality Laboratory Homer AK
Darrin Freshwater Institute Bolton Landing  NY
Denver Water Department Denver    CO
Desert Research Institute Reno    NV
Huffman Laboratories Golden CO
Illinois Waste Management and Research Center Champaign    IL
Institute of Ecosystem Studies Millbrook  NY
Kansas Geological Survey Lawrence    KS
Madison Department of Public Health Madison    WI
Mammoth Cave National Park Mammoth Cave KY
Maryland Department of Health and Mental Hygiene Baltimore    MD
Metro Wastewater Reclamation District Denver    CO
Montana Bureau of Mines & Geology Butte    MT
Occoquan Watershed Monitoring Laboratory Manassas    VA
Old Dominion University - Applied Marine Research Laboratory Norfolk  VA
Oregon Department of Environmental Quality Portland OR
Ouachita Baptist University Arkadelphia    AR
Severn Trent Laboratories - Tallahassee Tallahassee    FL
Soil, Plant, & Water Laboratory Athens    GA
South Florida Water Management District West Palm Beach    FL
Southwest Florida Water Management District Brooksville    FL
State University of New York - College of Environmental Science & Forestry Syracuse    NY
Suffolk County Water Authority Laboratory Hauppauge    NY
U.S. Bureau of Reclamation Alamosa    CO
U.S. Bureau of Reclamation Bismarck    ND
U.S. Bureau of Reclamation Denver  CO
U.S. Department of Agriculture - Cooperative Chemical Analytical Laboratory Corvallis    OR
U.S. Department of Agriculture - Forest Service Ft. Collins    CO
U.S. Geological Survey Geologic Division - Energy Analytical Laboratory Denver CO
University of Maryland - Horn Point Laboratory Cambridge  MD
West Coast Analytical Service, Inc. Santa Fe Springs    CA
Wyoming Department of Agriculture Laramie    WY
Middle east laboratories that participated in the Spring 2004 inter-laboratory comparison
  Laboratory Name City State
Bethlehem University - Water & Soil Environmental Research Unit Bethlehem West Bank via Israel
Center for Environment & Occupational Health Sciences Ramallah West Bank via Israel
Environmental Research Centre - Jubeiha Amman Jordan
Environmental Water Resources Center Kiryat Sde-Boker Israel
Geological Survey of Israel Laboratory Jerusalem Israel
Israeli Hydrologic Service Laboratory Beit-Dagan Israel
Mekorot Laboratory Eylat Israel
Mekorot Laboratory Ashqelon  Israel
Mekorot Laboratory - Bosh-Haayn Laboratory Ramla Israel
Mekorot National Water Company Nazareth Illit Israel
Mekorot Water Co. Ltd. Central Lab Nazareth Illit Israel
Palestinian Ministry of Health Laboratory Ramallah West Bank via Israel
Public Health Laboratory Tel Aviv Israel
Public Health Laboratory - Ministry of Health Beer Sheva Israel
Public Health Laboratory - Sabha Medical Clinic Gaza via West Bank Israel
Water Authority of Jordan Amman Jordan