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| Marinco Bioassay Laboratory: Water Testing Serves the southeast US and Caribbean. Laboratory performing whole effluent toxicity (bioassay) testing for discharges with NPDES permits. |   |
| SCS Environmental Consultants Provides delineation and characterization of both soil and groundwater impacts for sites which require corrective action by state and federal governmental agencies. |   | |
| Vermicon Engineering and Microbiology Offers services and products for the detection, identitication, quantification and visualization of microorganisms in water samples. |   | |
| Environmental Enterprises USA Provider of laboratory and consulting services, data complitation, including testing and annual reporting requirements. |   | |
| Groundwater Equipment and Monitoring Services Provides QED equipment designed for groundwater sampling, water sampling and monitoring. |   | |
| HML Offers microbiological and chemical testing and research, food and dairy analyses, including water and wastewater analyses and soil and biosolids analyses. |   | |
| Spectrum Labs Provider of services for water quality, including home water testing, analytical and product testing services and water treatment compounds. |   | |
| JNE & Associates Provider of environmental consulting services to industry and private individuals. |   | |
| UL RoHS Compliance Solutions: Water Testing Laboratories Includes testing, supply-chain monitoring and compliant-supplier database. UL's tools help manufacturers efficiently self-declare RoHS compliance. |   | |
| Clean Environmental Specialists in downwell equipment for sampling, landfill leachate pumping, and underground fuel spills. |   | |
| Agient water testing The broadest choice of GC & GC/MS systems, support, & supplies. |   | |
| Yatesmeter Provides related consulting services. Manufacturer of pump monitors and meters. |   | |
| Clean Air Environmental Provides compliance testing and environmental consulting services to meet air regulations in the waste management, oil & gas, commercial energy and sanitation services industries. |   | |
| Underwriters Laboratories: Water Testing Laboratories Demand the certification recognized and appreciated by regulators, retailers and consumers alike - the UL Mark. Go to market with complete confidence. |   | |
| Ulrick & Associates Provides consulting of groundwater resources, management and modeling. |   | |
| Roberts Environmental Drilling soil Specializes in borings, soil sampling, rock drilling and coring. |   | |
| Gilpin Testing Service Provider of water sample testing for Legionella bacteria. |   | |
| Northern Lake Service Environmental analytical laboratory providing service including groundwater, soil and sludge, wastewater, drinking water and sludge, and limnological surveys. |   | |
| Oceanographic Company of Norway Specializes in monitoring and information systems for oceans, lakes, coastal areas, rivers and soil. |   | |
| Montgomery Watson Americas, Inc. / Montgomery Watson Laboratories Division Services are provided to multiple industries. Provider of laboratory water analysis and chemical testing services in support of state and federal regulations. |   | |
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