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  2. Multilevel groundwater monitoring systems - Wikipedia

    en.wikipedia.org/wiki/Multilevel_groundwater...

    MLS systems facilitate 1) ongoing measurement and monitoring of depth-discrete water pressures (hydraulic heads) and 2) repeated collection of depth-discrete groundwater samples for chemical testing. Commercial MLS systems are available with as few as three ports (CMT System) to more than 20 ports (MP Westbay and Solinst Waterloo Systems).

  3. Standard penetration test - Wikipedia

    en.wikipedia.org/wiki/Standard_penetration_test

    The test uses a thick-walled sampling tube, with an outside diameter of 5.01 cm (2 in) and an inside diameter of 3.5 cm (1.375 in), and a length of at least 60 cm (24 in). The sampling tube is driven into the ground at the bottom of a borehole by blows from a hammer with a mass of 63.5 kg (140 lb) falling a distance of 75 cm (30 in). The sample ...

  4. MODFLOW - Wikipedia

    en.wikipedia.org/wiki/MODFLOW

    MODFLOW-OWHM [11] (version 1.00.12, October 1, 2016), The One-Water Hydrologic Flow Model (MODFLOW-OWHM, MF-OWHM or One-Water [12]), developed cooperatively between the USGS and the U.S. Bureau of Reclamation, is a fusion of multiple versions of MODFLOW-2005 (NWT, LGR, FMP, SWR, SWI) into ONE version, contains upgrades and new features and ...

  5. Water testing - Wikipedia

    en.wikipedia.org/wiki/Water_testing

    As of 2009, the global water test market, which includes in-house, small commercial and large laboratory groups, is approximately US$3.6 billion. The global market for low-end test equipment is roughly $300–400 million. The global market for in-line monitors is approximately $100–130 million. [38]

  6. BS 5930 - Wikipedia

    en.wikipedia.org/wiki/BS_5930

    BS5930:2015 is a further full revision of the standard, and introduces some principal changes including: compliance with BS EN 1997-1 and BS EN 1997-2 and related test standards; new information on geophysical surveying and ground testing, and updated guidance on desk studies, field reconnaissance, ground investigations on contaminated ground ...

  7. DO-160 - Wikipedia

    en.wikipedia.org/wiki/DO-160

    Water proofness: These tests subject the test article to various scenarios of dripping water or pooled water to verify the unit will fully operate in the given condition. 11.0 Fluids susceptibility: Aviation related fluids susceptibility including a variety of fluids ranging from carbonated sugared beverage to various cleaners and solvents. 12. ...