2011-04-20 / Features

PERC In Groundwater In LIC?

The New York State Department of Environmental Conservation (NYSDEC) will begin a detailed environmental study at 21-03 44th Ave. in Long Island City. NYSDEC will also be implementing an interim remedy for a known problem in the groundwater beneath the location without having to wait for the results of the entire investigation.

The study to be done is called a Remedial Investigation, and will be performed under the New York State Superfund Program. The Remedial Investigation Work Plan Executive Summary is available for public review at www.dec.ny.gov/chemical/8439.html.

The DEC will define the nature and extent of contamination in soil, surface water, groundwater; identify the source(s) of the contamination; assess the impact of the contamination on public health and the environment and provide information to support the development of a remedy.

The primary contaminants that were found are a degreasing chemical known as perchlorethylene or “perc”, usually associated with the dry cleaning industry, and hexavalent chromium, which is sometimes found at metal plating and/or fabricating facilities. The investigation is planned to begin in late May and should take less than a year to complete.

The NYSDEC has already identified contamination in the groundwater beneath the location and will be taking steps to treat the groundwater to remove the contaminants in late April. The decontamination process is expected to take only one week.

Project documents are available at the Long Island City Branch of the Queens Library, 37-44 21st St. in Long Island City, Monday to Saturday. For hours of operation call, 718.752.3700.

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