61. Altech Environment Environmental engineering specialist in water/wastewater treatment, air pollution control, solid waste management, contaminated soil/groundwater remediation. http://www.altech-env.com/

Altech Environment Altech Environment is a specialist water and environmental company water wastewater pollution contaminated remediation sewage biological environment enevironmental engineering desalination reverse osmosis RO diffusers aeration filter press dissolved air flotation DAF STP Click here to enter http://altechenviro.homestead.com/index.html namesdirect.com - Register your domain name

62. Center For Groundwater Research Research on transport and fate of contaminants in soils and groundwater.Category Science Environment Organizations Research Institutes......Center for groundwater Research (CGR), Department of Environmental Science and Engineering(ESE), OGI School of Science and Engineering at the Oregon Health http://cgr.ese.ogi.edu/

CGR About CGR Introduction Faculty and Staff Facilities LEAP Directions Research SMZ Iron Walls IronRefs Database Oxygenates (MTBE) ... Oxidation Technologies Education MERL CD-ROM Center for Groundwater Research Department of Environmental Science and Engineering 20000 NW Walker Road Beaverton, Oregon 97006-8921 USA Phone: (503) 748-1196, FAX: (503) 748-1273 Web: http://cgr.ese.ogi.edu/ Email: info@ese.ogi.edu Above: The acclaimed and authoritative reference book on the history, movement, and remediation of chlorinated solvents in groundwater. Click on the cover for details. cgr site

63. Geo-Hydro, Inc. Consultants in geology and hydrology. Experience includes investigation and remediation of contaminated soil, groundwater and surface water, environmental impact statements, mineral and water development, and litigation support. Offices in Illinois, Colorado, and Indiana. http://members.aol.com/ghiwebsite/index.html

64. Summary Of Presentation On, "POSSIBLE ARSENIC-CONTAMINATION-FREE GROUNDWATER SOU Summary of an account of the problem and possible solutions. Includes tables showing areas with different levels of contamination. http://phys4.harvard.edu/~wilson/ChakrabortiSummaryof2-12-01.html

Summary of 12th February 2001 presentation on, "POSSIBLE ARSENIC-CONTAMINATION-FREE GROUNDWATER SOURCE IN BANGLADESH" by Dipankar Chakraborti, Dhaka, Bangladesh. What I am presenting here is a summary of the above presentation. The original report is about 400 pages with more than 50 maps, 100 tables. Background School of Environmental Studies (SOES), Jadavpur University, Calcutta, India and Dhaka Community Hospital (DCH), Bangladesh are working on arsenic groundwater contamination in Bangladesh for about last 6 years. During June-July, 1999, we had finished 24,000 (twenty-four thousand) water analyses for arsenic by FI-HG-AAS (our determination limit with 95% confidence is 3 m g/l) covering all 64 districts of Bangladesh and analyzed thousands of hair, nail, urine, skin scales from people living in arsenic-affected villages and screened 25,000 people from the affected villages for arsenical skin lesions ( 15% of 25000 people screened have arsenical skin lesions we can say that usually above 300 m g/l of arsenic in drinking water may show arsenical skin lesions (exceptions are always there) . However, we

65. World's Largest Distributor Of Ground Water / Groundwater Modeling, Groundwater Distributor of a wide range of environmental software, including groundwater, surface water, bioremediation, air pollution, and geotechnical applications. http://www.scisoftware.com/

Subscribe Unsubscribe SSG is the world's largest distributor of groundwater modeling, groundwater model, groundwater modelling, and groundwater software including flow, contaminant transport, saturated and unsaturated, analytical and numerical, and finite difference and finite element models, among many others. Scientific Software Group P.O Box 708188 Sandy, Utah 84070 Phone (801) 208-3011 or Toll Free (U.S.) 1-866-620-9214 Fax (801) 302-1160 E-mail info@scisoftware.com

66. CONFERENCE & EVENTS Golden, Colorado, USA. groundwater/Surface Water Interactions Conference July 1-3, 2002 - Keystone, Colorado, USA. 2002 Darcy Distinguished http://typhoon.mines.edu/events/

international ground water modeling center GROUND-WATER MODELING EVENTS MODFLOW and More 2003: Understanding through Modeling Conference - September 16-19, 2003 - Golden, Colorado, USA Groundwater/Surface Water Interactions Conference - July 1-3, 2002 - Keystone, Colorado, USA 2002 Darcy Distinguished Lecture, March 6, 2002 - Golden, Colorado, USA MODFLOW 2001 and OTHER MODELING ODYSSEYS Conference - September 11-14, 2001 - Golden, Colorado, USA MODELCARE'99 Conference - Zurich, Switzerland Calibration and Reliability in Groundwater Modeling, Coping with Uncertainty MODFLOW'98 Conference - Golden, Colorado, USA MODELCARE'96 Conference - Golden, Colorado, USA Calibration and Reliability in Groundwater Modeling IGWMC Modeling Conferences 1993, 1994 Proceedings - Golden, Colorado, USA IGWMC MAIN PAGE

67. Groundwater Treatment And Technology, Inc. - Remediation Construction Services Providing solutions for industrial wastewater problems including design, construction, equipment sales and rentals and operation and maintenance services. http://www.gwttinc.com/services.htm

CONSTRUCTION SERVICES As a premier environmental contractor serving the remediation, industrial and municipal industries, GWTT utilizes team experience and support to translate quality workmanship and budget control into expedited completion of large-scale construction projects. GWTT recognizes safety and accident prevention to be an integral part of field operational activities. Therefore, all of our employees are trained in accordance with the Occupational Safety and Health Administration (OSHA) guidelines and think of safety as the primary goal toward completion of a successful endeavor. 150 GPM TEMPORARY GROUNDWATER REMEDIATION SYSTEM 480 VOLT, 3-PHASE MOTOR CONTROL CENTER (MCC) MCC, PLC and Electrical Troubleshooting Mechanical Equipment Service and Repair Analytical Sampling and Performance Monitoring Data Acquisition and Report Preparation GWTT, Inc. also has an extensive inventory of field analytical monitoring and data-logging equipment to fully service and document any pilot-scale study.

68. The National Centre For Groundwater Management Consultancy and training in groundwater and environmental applications. Information about courses, Category Science Environment Water Resources groundwater......National Centre for groundwater Management, UTS (NCGM). THE UNIVERSITYOF TECHNOLOGY, SYDNEY. national international teaching, consulting http://groundwater.ncgm.uts.edu.au/ncgm/

National Centre for Groundwater Management, UTS (NCGM) THE UNIVERSITY OF TECHNOLOGY, SYDNEY award winning electronic teaching technologies, innovative online and distance learning programs

69. Environmental Plug Markets torque locking well plugs for groundwater environmental monitoring applications. Bright colour, large ID lettering, liquid tight, easy to use, low cost and developed by Geologists. http://environmentalplug.com/

Torque Locking Well Plugs "The Highest Quality Locking Well Plugs" [HOME] [2"PLUG] [ 4"PLUG] Click the plug to see all the high quality features You want to supply the best quality, click the plug!! Torque 2 , 2" locking well plug Torque 4" locking well plug Makes well installation and security "simplistic" "Your customers will love them" "See how versatile they can be for you" Welcome to the Torque line of locking well plugs, the highest quality most economically priced plugs on the market today. Page through our web site and discover the difference quality design engineering and High-Tech manufacturing principles reflect in our products. All our plugs are manufactured from an engineering grade glass filled nylon blend that is commonly used to replace steel gears in industry. They are quite honestly the toughest, best looking, easiest to use and most functional plug on the market today. We will soon be adding six inch (6") along with some piezometer size plugs to the line, keep in touch with your sales rep. for release dates. Check back often, we are constantly updating !!!

70. Understanding Groundwater A primer on the subject, covering definitions, movement, storage, uses, contamination, and protection .Category Science Environment Water Resources groundwater......What is groundwater, how does it work, and how does this information apply to PortageCounty? groundwater Basics. Portage County groundwater Influencing Factors. http://www.uwsp.edu/water/portage/undrstnd/

What is groundwater, how does it work, and how does this information apply to Portage County? Groundwater Basics Water Cycle Groundwater Definition Groundwater Movement Groundwater Storage ... Glossary of Terms Portage County Groundwater Influencing Factors Overview: Portage County Groundwater Conditions Report County Demographics (includes a map) Geology : Bedrock and Groundwater Provinces Land Use Precipitation Soil and Aquifer Properties Topography Portage County Groundwater Issues Overview: Portage County Groundwater Conditions Report Proposed Groundwater Management Goals and Strategies Nitrate Pesticides (in general) atrazine Quantity Other Drinking Water Issues arsenic -health risk chloride -aesthetic problem coliform bacteria-health risk copper -health risk hardness -aesthetic problem iron -aesthetic problem lead -health risk manganese -aesthetic radon -health risk sodium -health risk sulfur -health risk zinc -health risk Some pages are under construction, please visit again. Understanding Groundwater Teaching Managing ... groundwater@co.portage.wi.us

71. Event Calendar/ Varied groundwaterrelated topics and U.S. locations. http://www.ngwa.org/education/

Home/ Career Cente r/ Membership/ ... December Other/ On-line Education Outside Continuing Ed Darcy Lecture McEllhiney ... Click here if you have questions about this site. Event Calendar/ The shaded events with an NGWA logo are those given by the National Ground Water Association. Contact information provided for state affiliate events. If you have an event that should be listed send it tplumley@ngwa.org Back to menu February 2003 February 4-5 Central European Environmental Consortium Click here to visit Web site Click here to send e-mail Dallas, Texas February 5-7 Alaska Water Well Association Annual Conference PH: (907) 344-0570 Anchorage, Alaska February 6-8 Mountain States Ground Water Expo PH: (480) 609-3999 Laughlin, Nevada February 10-12 Third International Conference on Grouting and Ground Treatment Click here to visit the Web site New Orleans, Louisiana February 11-14 Montana Water Well Drillers Association Annual Meeting PH: (406) 665-3304 Helena, Montana

72. Portage County Groundwater Home Page Information Portage County Planning Zoning groundwater@co.portage.wi.us715346-1334 1462 Strongs Avenue Stevens Point, WI 54481, http://www.uwsp.edu/water/portage/

Click Image to go to Content Page Information: groundwater@co.portage.wi.us 1462 Strongs Avenue Stevens Point, WI 54481 Website Questions: dkilkenny@charter.net Portage County Groundwater Guardians http://www.uwsp.edu/water/portage Revised July 01, 2002

73. International Water Supply Ltd. groundwater engineers, international water supply specializes in groundwater exploration, assessment, engineering, design and construction. http://www.iws.ca

International Water Supply Ltd. (IWS) is a complete Groundwater development organization, specializing in the assessment, engineering design, construction, management and maintenance of groundwater supplies. During the past 65 years, IWS has developed more Groundwater in Canada for municipal and industrial use than any other Canadian group. Hydrogeologic Services Hydrogeologic studies, test drilling programs, geophysical services, aquifer testing and yield assessment, wellhead protection studies, computer modelling, environmental impact studies, waste disposal ,impact studies, site monitoring, and well abandonment. Well Design and Construction Large diameter high capacity wells including gravel wall wells, tubular construction: wells, rock wells, horizontal collectors, infiltration galleries, monitoring wells, dewatering wells, fire wells, remediation wells. Pump Sales and Installation Vertical turbines, submersibles, fire pumps, variable speed drives. Service and Maintenance 24-hour emergency service, complete pump repair

74. University Of Manitoba Groundwater Shareware Database University of Manitoba groundwater Shareware Database and FTP Site Welcome tothe University of Manitoba groundwater Shareware Database and FTP site. http://www.umanitoba.ca/geo_eng/groundwater/

University of Manitoba Groundwater Shareware Database and F.T.P. Site W elcome to the University of Manitoba Groundwater Shareware Database and F.T.P. site. Shareware Database Other Groundwater Related Links General Comment/Suggestion Form Dr Allan Woodburys' Personal Homepage Geological Engineering Homepage University of Manitoba

75. Press On Logo To Continue Ohiobased company specializing in the management and transportation of hazardous and industrial wastes, from dig and haul , drum consolidations, contaminated groundwater, lagoon and sludge evacuation, pickling acids, lab packs, to a myriad of other daily ongoing waste management needs. http://www.ecotroninc.com

Press on logo to continue.

76. Groundwater Vistas The popular groundwater Vistas is a graphical user interface and modeling environmentfor MODFLOW, MODPATH, MT3D, PEST, UCODE, and RT3D. groundwater Vistas. http://www.groundwater-vistas.com/

The popular Groundwater Vistas is a graphical user interface and modeling environment for MODFLOW, MODPATH, MT3D, PEST, UCODE, and RT3D. Groundwater Vistas Support Groundwater Vistas Training Contact Us ... Order Groundwater Vistas Scientific Software Inc., Ph: (801) 208-3011 or Toll Free in the U.S. 1-866-620-9214, Fax: (801) 302-1160, Email: info@groundwater-vistas.com

77. Welcome To Water Resource Solutions Specialties include aquifer storage and recovery, injection well services, groundwater supply development, wellfield design and rehabilitation, and development of reverse osmosis feedwater systems. Florida, U.S.A. http://www.wrsolutions.com/

Home ASR Reverse Osmosis Feedwater Supply ... Contact Us Specializing in ASR Aquifer Storage and Recovery (ASR) is now a proven technology for storing large volumes of fresh water. This technology is being used in many areas to provide water storage at costs lower than traditional surface storage methods. Water Resource Solutions, Inc. has extensive experience in applying ASR technology to various water supply issues and has been highly successful in solving complex groundwater and surface water resource challenges. (more) WRS staff professionals have extensive experience in applications of water resource sciences including, hydrogeology, hydrology, geology, and ecology. Our in-house depth of experience permits WRS to develop common sense, cost-effective solutions to the wide range of water resource and environmental problems confronting municipalities, industry, and government. Diversified Drilling Corporation Experienced ASR and Deep Well Drilling (more) ASR can be defined as the "storage of water in an underground aquifer during times when water is available, and recovery of that water when it is needed." (more) South Florida Water Management District (more)

78. TAGD Homepage (Formerly the Texas groundwater Conservation Districts Association.) Information on meetings, publication Category Regional North America Texas Science and Environment...... Texas Alliance of groundwater Districts. The Alliance was formed to furtherthe purpose of groundwater conservation and protection activities. http://www.texasgroundwater.org/

Internet Explorer 4.0 or later loves this site! If you have any questions about the Texas Alliance of Groundwater Districts, please contact: TAGD President: Harvey Everheart Texas Alliance of Groundwater Districts The Texas Alliance of Groundwater Districts (TAGD), formerly the Texas Groundwater Conservation Districts Association, was formed on May 12, 1988. Its membership is restricted to underground water conservation districts of Texas who have the powers and duties to manage groundwater as defined in Chapter 36 of the Texas Water Code. TAGD is organized exclusively for charitable, educational, or scientific purposes within the meaning of Section 501(c)(3) of the Internal Revenue Code. The Alliance urges any nonmember groundwater district to become a member and join in furthering policies and goals of the Alliance. In so doing, all groundwater districts, and the public at large, will benefit.

79. PEL Laboratories Inc. PEL performs laboratory analyses for organic and inorganic compounds in surface water, groundwater, wastewater, air, soil, sludge, and various wastes from Tampa, FL. http://www.pelab.com/

PEL Labs provides full service capabilities in Inorganic, Organic, and Wet Chemistry Analyses for environmental samples of varying matrices. We provide long term, efficient, and cost effective solutions to your data management needs using advanced network and database technologies. Search for our current MDLs (method detection limits) or list of compounds and tests/methods that we offer. PEL is an innovative, responsive, and highly professional organization known for its proven track record of meeting customer expectations for high quality analyses performed on schedule. PEL endeavors to provide a level of services that many other labs are unwilling or unable to provide. PEL specializes in environmental analyses covering a wide range of parameters of environmental interest. The Tampa, Florida location provides convenient access to air shipping routes allowing sample delivery within 24 hours from any location within the continental United States. Saturday March 22, 2003

80. University Of California CooperativeExtension: The Groundwater HydrologyProgram Mission of the UC groundwater Cooperative Extension Program. The mission homeThe UC groundwater Cooperative Extension Program This is http://groundwater.ucdavis.edu/

links to elsewhere: Mission of the UC Groundwater Cooperative Extension Program "The mission of the UCCE Groundwater Hydrology Program is to provide educational and scientific/technical support on current and emerging groundwater resources and groundwater quality issues in rural areas of California " The program primarily works with the water resources industry (public water supply utilities, irrigation districts, water districts, etc.), research, planning, and regulatory agencies on the local, county, state and federal level, farm advisors in county cooperative extension, and the agricultural industry. The components of the program are: 1) an integrated basic and applied research program that emphasizes hydrogeologic processes, contaminant fate and transport in both vadose zone and groundwater, and techniques for sampling, monitoring, and mitigation of contamination and groundwater quality problems; 2) an extension program that provides educational and technical support to local, state, and federal regulatory agencies, to natural resources conservation districts, irrigation and water districts, county farm advisors and policy makers in both the agricultural and urban sectors in the state; 3) coordination of groundwater related programs and events among faculty in hydrology related areas at UC Davis, with other extension specialists and farm advisors, with federal, state and local agencies, water districts, irrigation districts, and natural resource conservation districts and other groups that are concerned with groundwater hydrology.

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