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About Us. HGL is a full-service environmental science, engineering, and construction firm (small business under NAICS 562910) with over 37 years of experience ...
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Nov 25, 2014 · Hydrocarbon gas liquids (HGL) refers to both the natural gas liquids (paraffins or alkanes) and olefins (alkenes) produced by natural gas ...
Lane Limited HGL is a mixture of black Cavendish laced with smoky Latakia blended with mellow white Burley and golden Virginia to produce a sweet, ...
Dynamic Solutions for a Testing World. From ultra-portable to rack mounted data acquisition systems, through targeted simple-to-use monitoring and analysis ...
The surface or profile of water flowing in an open channel or a pipe flowing partially full. If a pipe is under pressure, the hydraulic grade line is that level ...