DEP Environmental Referral Form, WTC Site

NYC 9/11 Public Portal Document

□ □ □ □ □ Air Contaminants From Plume □ • □ □ □ ■ ! Icreening conducted to determine presence of □ c jmbustion byproducts on/above rubble pile □ . □ □ ► Workers directly in plume may be exposed □ □ to various anticipated fire-related air □ □ contaminants □ e.g.., formaldehyde, benzene, acrylonitrile, acrolein, □ □ acetonitrile, phosgene, styrene, toluene, xylene, PAHs, 3 acetaldehyde, 2-butanone, carbofurans, PCBs, ethyl-benzene, 3 Freon R-22, hexone, isocyanates, perchloroethylene, 1-3 □ butadiene, trichloroethylene, vinyl chloride, glutaraldehyde, 3 3 and xylene 3 □

□ 3 □ □ Organic Compounds 3 3 □ □ □ 3 Staten Island Sampling □ ■ 652 samples for organics, such as: □ 3 □ □ ♦ formaldehyde, benzene, acrylonitrile, acrolein, □ ■ 2S6 analyses of personal and area samples □ acetonitrile, phosgene, styrene, toluene, xylene, □ □ □ ■ No exposures in excess of 10% of the PEL □ PAHs, acetaldehyde, 2-butanone, carbofurans, □ □ □ ■ Sampled for; □ PCBs, ethyl-benzene, Freon R-22, hexone, □ □ isocyanates, perchloroethylene, 1-3 butadiene, □ ♦ Asbestos □ D 3 3 trichloroethylene, vinyl chloride, xylene, and □ ♦ Silica 3 glutaraldehyde. 3 ♦ PNOR (total dust) 3 3 □ ♦ Only benzene found at/near the OSHA PEL; 3 □ ♦ Lead □ □ □ 201 individual analyses performed; 1 personal □ ♦ Mercuiy (air & bulk) □ □ sample found at the PEL (1 ppm) 3 ♦ Other metals (same as WTC sampling) □ □ 3 □ □ □ □ □ □

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NYC-WTC_000147012