{"id":17798,"date":"2017-06-08T00:03:42","date_gmt":"2017-06-08T04:03:42","guid":{"rendered":"https:\/\/cjs.tqa.temporary.site\/website_34d9c6f0\/?page_id=17798"},"modified":"2020-11-11T15:26:40","modified_gmt":"2020-11-11T20:26:40","slug":"ground-water-contamination","status":"publish","type":"page","link":"https:\/\/askesa.com\/website_34d9c6f0\/who-we-are\/case-studies\/ground-water-contamination\/","title":{"rendered":"Case Study: Off Site Groundwater Contamination"},"content":{"rendered":"

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Project Summary<\/h3>\n

ESA was contacted by the President and Senior Counsel of a local savings bank in Bergen County New Jersey regarding groundwater contamination that was detected on their property.<\/p>\n

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Challenges<\/h3>\n

During ESA\u2019s research, it was revealed that the bank had granted access to a former gasoline service station\u00a0(located adjacent to and upgradient of their property) to install a groundwater monitoring well to delineate gasoline contamination detected on the adjacent property. During this sampling, a chlorinated volatile organic compound (cVOC), typically associated with dry cleaning operations was identified in the bank property monitoring well, and the bank was subsequently named as the Responsible Party (RP) by the New Jersey Department of Environmental Protection (NJDEP).<\/p>\n

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ESA\u2019s Solution<\/h3>\n

ESA determined that the best course of action to confirm that the bank was not the source of the cVOC contamination\u00a0–and to determine the source and extent of the contamination — was to conduct a Preliminary Assessment (PA) at the property.<\/p>\n

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ESA\u2019s PA revealed that the bank\u2019s property was undeveloped land prior to its development with the existing building. The PA also confirmed that cVOCs were never utilized on the property.\u00a0 Therefore, an offsite search of potential RPs was initiated,\u00a0resulting in the identification of an upgradient dry cleaning facility approx. 500 ft. northeast of the bank property.<\/p>\n

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Using the NJDEP Offsite Source Ground Water Investigation Technical Guidance document, ESA satisfied\u00a0the three requirements necessary to conclude that groundwater contamination was, in fact, migrating onto the bank\u2019s property from an adjacent property. Those criteria are:<\/p>\n