underground storage system

  • 81Trickling filter — A trickling filter consists of a fixed bed of rocks, gravel, slag, polyurethane foam, sphagnum peat moss, or plastic media over which sewage or other wastewater flows downward and causes a layer or film of microbial slime to grow, covering the… …

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  • 82Columbia River — Coordinates: 46°14′39″N 124°3′29″W / 46.24417°N 124.05806°W / 46.24417; 124.05806 …

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  • 83Vinyl chloride — IUPAC name …

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  • 84National Fuel Gas — Co. Type Public (NYSE: NFG) Industry Gas Utilities …

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  • 85Paleolithic — The Paleolithic This box: view · talk · edit ↑ before Homo (Plioc …

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  • 86Operation Cedar Falls — Part of the Vietnam War Operation Cedar Falls …

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  • 87Titan I — Infobox rocket name = Titan I caption = Launch of a Titan I ICBM from Cape Canaveral function = ICBM manufacturer = Martin Company country origin = United States cpl year = 1962 cpl = $1.5m (USD) height = 31 m alt height = diameter = 3.05 m alt… …

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  • 88City Hall (IRT Lexington Avenue Line) — For the IRT Lexington Avenue Line station currently known as City Hall, see Brooklyn Bridge – City Hall (IRT Lexington Avenue Line). City Hall New York City Subway …

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  • 89Surface runoff — Runoff flowing into a stormwater drain Surface runoff is the water flow that occurs when soil is infiltrated to full capacity and excess water from rain, meltwater, or other sources flows over the land. This is a major component of the water… …

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  • 90London water supply infrastructure — London s Water Supply Infrastructure has developed over the centuries in line with the expansion of London and now represents a sizeable infrastructure investment. For much of London s history, private companies supplied fresh water to various… …

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