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  2. Soil test - Wikipedia

    en.wikipedia.org/wiki/Soil_test

    A soil test is a laboratory or in-situ analysis to determine the chemical, physical or biological characteristics of a soil. Possibly the most widely conducted soil tests are those performed to estimate the plant-available concentrations of nutrients in order to provide fertilizer recommendations in agriculture.

  3. Toxicity characteristic leaching procedure - Wikipedia

    en.wikipedia.org/wiki/Toxicity_characteristic...

    Toxicity characteristic leaching procedure (TCLP) is a soil sample extraction method for chemical analysis employed as an analytical method to simulate leaching through a landfill. The testing methodology is used to determine if a waste is characteristically hazardous, i.e., classified as one of the "D" listed wastes by the U.S. Environmental ...

  4. Environmental analysis - Wikipedia

    en.wikipedia.org/wiki/Environmental_analysis

    Environmental analysis is the use of examination and statistical methods to study the chemical and biological factors that determine the quality of an environment. [1] The purpose of this is commonly to monitor and study levels of pollutants in the atmosphere, rivers and other specific settings. [ 2 ]

  5. Environmental monitoring - Wikipedia

    en.wikipedia.org/wiki/Environmental_monitoring

    Soil monitoring involves the collection and/or analysis of soil and its associated quality, constituents, and physical status to determine or guarantee its fitness for use. Soil faces many threats, including compaction, contamination, organic material loss, biodiversity loss, slope stability issues, erosion, salinization, and acidification ...

  6. Phase I environmental site assessment - Wikipedia

    en.wikipedia.org/wiki/Phase_I_environmental_site...

    Phase II Environmental Site Assessment is an "intrusive" investigation which collects original samples of soil, groundwater or building materials to analyze for quantitative values of various contaminants. [11] This investigation is normally undertaken when a Phase I ESA determines a likelihood of site contamination.

  7. Soil quality - Wikipedia

    en.wikipedia.org/wiki/Soil_quality

    Biological measures include diversity of soil organisms and fungi. The movement and biological functions of soil organisms (including earthworms, millipedes, centipedes, ants, and spiders) impact soil processes such as the regulation of soil structure, degradation of contaminants, and nutrient cycling. [11]

  8. In NASA asteroid samples, scientists discover key building ...

    www.aol.com/news/nasa-asteroid-samples...

    An analysis of that collected asteroid material, published Wednesday in the journal Nature, indicates that the samples included thousands of organic compounds and 14 of the 20 amino acids that ...

  9. Soil microbiology - Wikipedia

    en.wikipedia.org/wiki/Soil_Microbiology

    Soil microbiology is the study of microorganisms in soil, their functions, and how they affect soil properties. [1] It is believed that between two and four billion ...

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