soil sample test Articles
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Can I extend the range of the TPH in Soil kit by dilution?
The pocket colorimeter kit by Hach offers an immunoassay method to measure TPH (Total Petroleum Hydrocarbons) in soil samples – a useful indicator of petrol pollution or contamination in soil. For areas of heavy contamination the range of the test can be extended by dilution during the soil extraction step. The first stage in the test is to extract the TPH from the soil into a liquid, ...
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Ecotoxicological Hazard Assessment of Solid-Phase Samples
Abstract: 14 samples originating from Estonia, collected from the oil-shale region (7), oil-polluted sites (4), presumably non-polluted areas (2) and 1 sediment sample from the harbor were studied for the toxicity and presence of the priority pollutants. The soil aqueous extracts were analyzed with a test battery of organisms of different trophic levels (photobacteria, crustacea, algae and ...
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TOXICITY AND METAL BIOACCUMULATION IN HORDEUM VULGARE EXPOSED TO LEACHED AND NON‐LEACHED COPPER AMENDED SOILS
Soil leaching has been proposed as a way to reduce soil‐spiking artefacts (i.e., increased acidity, metal solubility) that occur in soils amended with trace metal salts. Leaching metal‐spiked samples prior to ecotoxicity testing is therefore expected to reduce toxicity, however, leaching not only removes excess amounts of the trace metal being tested, but also reduces the concentrations of ...
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Selection of a Battery of Microbiotests for Various Purposes - the Czech Experience
Abstract : Microbiotests are a useful tool in acute toxicity investigations for pre-screening and screening of chemicals and wastes; tests based on enzymatic activity may be useful as a signal for chronic toxicity. The composition of a battery of microbiotests is function of the problem(s) under consideration. A battery of microbioassays should in principle be composed of representatives of the ...
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An investigation and remediation of TNT contaminated soils.
An investigation and remediation of TNT contaminated soils and wastes was conducted at the Apache Powder Superfund Site in Cochise County, Arizona during 1999 and 2000. TNT contamination was most likely the result of salvage operations of World War I munitions. Characterized by a steep hillside and arroyo cutting through the wastes, the site offered challenges of stability, access, health and ...
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Evaluation Of Toxic Effects Exhibited By Organic Pollutants Present In Soil
Abstract: Bioassays are widely applied to measure toxic effects of aquatic samples such as surface water and groundwater, leachates and elutriates, as well as sediments, sludges, and soils. Contrary to (eco)toxicity tests, which translate single chemical concentrations into toxic effects (dose-response relationship giving NOEC, EC50, etc.), bioassays are applied to samples from contaminated ...
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