water toxicity sample News

  • Determination of toxicity in water

    LAR's online analyzer ToxAlarm is a measuring system for the determination of toxicity in drinking and surface water. The analyzer contains a highly sensitive bacteria culture in a fermenter, which constantly and independently produces biomass. Since every water sample is tested with a small and fresh amount of bacteria, the risk of the entire bacteria culture within the analyzer being ...


    By LAR Process Analysers AG

  • Online Water Toxicity Monitoring

    Monitoring of water toxicity is of special importance, especially when surface water or ground water are used for the preparation of drinking water. Since a variety of substances are harmful for human being reliable online monitoring is recommended. LAR's online toxicity analyzer ...


    By LAR Process Analysers AG

  • Continuous Toxicity Monitoring of Waste Water

    Toxicity is the most common disturbance to biological treatment processes – especially for nitrification. The continuous toxicity ...


    By LAR Process Analysers AG

  • Testing ecological toxicity in rivers

    Water quality in rivers is commonly classified according to its physical and chemical properties, but this may not fully describe its biological health. Polish researchers have tested a new method of water assessment, which looks at the toxicity to organisms of not just water, but also sediment and floodplain soil samples. This provides a more complete picture of a river's health and may help ...

  • Toxic compounds in groundwater

    Research is being conducted on degrading a toxic compound found in groundwater systems around the world Vinyl chloride is a cancer-causing compound formed from solvents in groundwater systems under anaerobic conditions. These solvents are used in many industrial applications around the world and often belong to the most encountered groundwater pollutants in industrialized countries. Groundwater ...

  • BPA Labeled Toxic by Canadian Government

    EMSL Analytical provides bisphenol A (BPA) testing services to determine if the chemical is present in plastics or environmental samples to protect the public from exposure and health risks. Cinnaminson, NJ, October 19th, 2010 Last week the Canadian government classified bisphenol A as a toxic substance.  The material is used to make plastics and can be found in ...


    By EMSL Analytical, Inc.

  • Are Toxic Chemicals in Your Gardening Tools?

    Testing shows that many common gardening tools—including hoses, gloves, kneeling pads, shovels, and trowels—are contaminated with harmful chemicals, claims the nonprofit environmental group Ecology Center. CNN reports that the organization analyzed 200 popular gardening products and found that two-thirds of them contained significant levels of phthalates, bisphenol A (BPA), and lead. ...


    By EMSL Analytical, Inc.

  • Toxic algae blooming in warm water from California to Alaska

    A vast bloom of toxic algae off the West Coast is denser, more widespread and deeper than scientists feared even weeks ago, according to surveyors aboard a National Oceanic and Atmospheric Administration research vessel. This coastal ribbon of microscopic algae, up to 40 miles wide and 650 feet deep in places, is flourishing amid unusually warm Pacific Ocean temperatures. It now stretches from at ...


    By Associated Press

  • Toxicity tests improve the assessment of harbour sediment quality

    Harbour sediments should be tested for their toxic effects on living organisms in addition to being subject to the chemical, physical and biological tests usually conducted to assess water quality, according to recent research from Portugal. This would provide a better environmental assessment of dredged material to help guide port authorities’ decisions on its disposal. Under the Water ...

  • Toxics Persist in Washington Rivers, Lakes and Fish

    OLYMPIA, Washington - Toxic chemicals banned decades ago continue to linger in the environment and concentrate in the food chain, threatening people and the environment, according to three recent studies by the Washington state Department of Ecology. The new data on toxic contaminants in freshwater fish and sediments add evidence to the state's push to reduce and eliminate the use of toxic ...

  • Midwest`s postflood risk: toxic basements

    The oil, gasoline, fertilizers, and herbicides swept away by floodwaters in June pose an environmental challenge to the rain-soaked Midwest. But some of the most serious pollution problems may not lie outdoors. Instead, they could well lurk indoors in waterlogged basements and first floors of homes and businesses, where everything from cleaning agents to toxic metals accumulate in silt and mold. ...


    By Axcess News

  • EPA Region 7 Is collecting soil and water samples in Cole County

    The U.S. Environmental Protection Agency is currently sampling soil and water from private wells at residences in Cole County, Mo. The samples collected by EPA are being screened for the presence of lead and other metals. There is no cost to the property owner or resident for the sampling. For most of its history, Missouri was the largest lead producer in the country. Historical records show that ...

  • Collection of soil and water samples underway in Camden County, MO

    The US Environmental Protection Agency is currently sampling soil and water from private wells at residences in Camden County, Mo. The samples are being screened for the presence of lead and other metals. There is no cost to the property owner or resident for the sampling. For most of its history, Missouri was the largest lead producer in the country. Historical records show that lead was mined ...

  • Decades after their Ban Toxic PCBs are Still a Threat

    The indoor air quality consulting experts at Future Environment Designs provide environmental testing solutions for polychlorinated biphenyls (PCBs).  Although no longer commercially produced in the United States, PCBs may still be present in products and materials produced before 1979.  PCBs belong to a broad family of man-made organic chemicals known as chlorinated hydrocarbons. ...


    By Cochrane & Associates, LLC

  • Testing confirms US coastal waters less toxic than 20 years ago

    US environmental laws enacted in the 1970s are reducing overall contaminant levels in coastal waters of the United States, finds a 20 year study released today by scientists with the National Oceanic and Atmospheric Administration, NOAA. But the study shows continuing elevated levels of toxic metals and oils near urban and industrial areas of the coast. Oil related compounds from motor vehicles ...

  • EPA Completes Building Demolition at Toxic Site in Garfield, N.J.

    The U.S. Environmental Protection Agency today announced that it has demolished the E.C. Electroplating building at the Garfield Ground Water Contamination Superfund site in Garfield, New Jersey. Areas underneath the building, located at 125 Clark Street, are contaminated with hexavalent chromium that is reaching the basements of some area residences and businesses through the ground water. The ...

  • EPA Announces University Challenge to Find Innovative Uses for Toxics Data

    The U.S. Environmental Protection Agency (EPA) today launched the TRI University Challenge, a new initiative designed to use academic partnerships to find innovative uses for Toxics Release Inventory (TRI) data. TRI gives all Americans access to information about toxic chemicals in the environment as a tool to better protect health and the environment. “For more than 20 years, individuals, ...

  • Toxic cargo in sunken ship remains intact say specialists

    UN and EU specialists brought in to help Philippine authorities retrieve toxic cargo from a sunken passenger ferry have not detected any leaks or oil spills emanating from the doomed vessel, according to a UN relief official. They gathered water samplings for chemical tests and are now preparing a final report for the Philippine government's special task force on the Princess of the Stars, said ...


    By IRIN

  • EPA Finalizes Cleanup Plan for Toxic Site in Newfield, New Jersey

    The U.S. Environmental Protection Agency has finalized a plan to address soil, sediment and surface water that is contaminated with hexavalent chromium and heavy metals by past industrial operations at the Shieldalloy Metallurgical Corp. site in Newfield and Vineland, New Jersey. The EPA is requiring a combination of cleanup measures at portions of the site including capping of the soil, ...

  • Low toxic heavy metal risk for the average Spanish consumer of seafood

    Low toxic heavy metal risk for the average Spanish consumer of seafood A new study assessing the levels, and potential health risk, of toxic heavy metals in market-bought fish and shellfish in Spain has found that they are generally below European Commission regulatory limits, and that these products are therefore safe to eat for the average consumer in Spain. However, for high level consumers of ...

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