Petroleum Plume Approximately 30 million gallons of petroleum reportedly accumulated in this area of the Greenpoint section of Brooklyn, NY, where oil facilities have operated for more than a century. The free-floating product plume was delineated using more than 100 monitoring points. Toxics Targeting compiled product depth data, soil gas monitoring results, property boundaries, building footprints, real property information, historic aerial photos and other historic maps.
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