Environmental Remediation Databases Details

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Site Record

Document Repository

Administrative Information

Location

Institutional And Engineering Controls

Site Owner(s) and Operator(s)

Site Document Repository

Site Description

Location: The 33,550 square foot site is located in the Gowanus neighborhood of Brooklyn, NY and is identified as Tax Block 433, Lot 28. The site was formerly comprised of two separate tax lots (Lot 28 and Lot 46) but was recently merged into a single tax lot. Site Features: The site is being redeveloped with a new mixed-use structure containing 224 residential apartments above a portion of the first floor/street level commercial and lobby space under which is a sub-grade cellar. Current Zoning and Land Use: The Site was rezoned to M1-4/R7A designation; the M1-4 is a light manufacturing district where manufacturing, commercial and community facilities are permitted and the R7A is a contextual residential district. The surrounding parcels are used for a combination of residential, commercial, and light industrial/manufacturing purposes. Past Use of the Site: Historic Sanborn Fire Insurance maps indicate that as early as 1889, former lot 28 was used as a timber yard and former lot 46 contained a single building used as a paint shop. The 1938 map depicts water distilling on former lot 46, and former lot 28 was improved with the current warehouse structure which was utilized by the NY Fire Department as an automobile repair garage and by the Telegraph Department for storage. By 1950, former lot 28 was used by the NY Fire Department Telegraph Bureau, and by 1982, the South Brooklyn Casket Company occupied the entire site. Site Geology and Hydrogeology: The site-specific geology observed during the advancement of soil borings indicates fill material to 5 feet below grade surface (ft bgs) across most of the site. to 10 ft bgs predominantly on the southern portion of the site, and to 15 ft bgs in the east, central and south-central portions of the site. The fill material is described as brown to dark brown medium to coarse sand with gravel, rock and anthropogenic materials consisting of concrete and brick fragments, coal, cinders, pieces of glass, tile, ceramics and/or wood. The soil identified beneath the fill material is generally described as brown to red brown and/or light grey fine to coarse sand with some gravel, rock fragments, silt and clay with organics in some borings to depths of 15 to 20 fbg. Bedrock was not encountered during the remedial investigation. Groundwater was encountered at depths ranging between approximately 9 and 13 ft bgs and flows in a west- southwest direction beneath the site towards the Gowanus Canal, which is located approximately 530 feet from the site.

Summary of Project Completion Dates

Projects associated with this site are listed in the Project Completion Dates table and are grouped by Operable Unit (OU). A site can be divided into a number of operable units depending on the complexity of the site and the number of issues associated with a site. Sites are often divided into operable units based on the media to be addressed (such as groundwater or contaminated soil), geographic area, or other factors.

Contaminants of Concern (Including Materials Disposed)

Site Environmental Assessment

Remediation at the site is completed. Prior to remediation the primary contaminants of concern were detected in on-site soil including volatile organic compounds (VOCs) such as xylenes; semi volatile organic compounds (SVOCs) such as benzo(k)fluoranthene, benzo(a)anthracene, benzo(a)pyrene, benzo(b)fluoranthene, benzo(k)fluoranthene, chrysene, and indeno(1,2,3-cd) pyrene; metals such as barium, mercury, and arsenic. Prior to remediation the primary contaminants of concern were detected in on-site groundwater including VOCs such as 1,2,4,5-tetramethylbenzene, benzene, p/m xylene, isopropylbenzene, sec-butylbenzene and n-propylbenzene; SVOCs such as benzo(a)anthracene, benzo(b)fluoranthene, benzo(k)fluoranthene, and indeno (1,2,3-cd) pyrene; perfluorooctanoic acid (PFOA) and perfluorooctanesulfonic acid (PFOS) ; 1,4 -dioxane was also detected in groundwater samples. Prior to remediation the primary contaminants of concern were detected in on-site sub-slab and indoor air carbon tetrachloride as well as methylene chloride. Prior to remediation the primary contaminants of concern was detected in on-site soil vapor was VOCs such as toluene.

Site Health Assessment

Remedial actions are complete and measures are in place to prevent people from coming in contact with remaining contamination.

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