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Document / 9 pages

PCB sample results, caulking and dust, 2nd floor kitchen

Machine-extracted title · confidence 85%

EPA/DEP memo discussing initial findings from PCB analysis of caulking and dust samples, with risk-based screening criteria evaluation.

NYC-WTC_000135145–000135153
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Scanned page image, NYC-WTC_000135150
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NYC 9/11 Public Portal Document

Client Sample ID 133 Greenwich St. 2nd Fl. Kitchen S. Side York Sample ID 05080368-01 Matrix WTC DUST Parameter Method Units Results MDL TCLP Base/Neutral/Acids SW846-1311/8270C u --- 1,4-Dichlorobenzene Not detected 10 2 4,5Trichlo henol Not detected 50 2,4 6-Trichlo henol Not detected 10 2 4-Dinitrotoluene Not detected 10 Cresol otal Not detected 10 Eexachloro-1 -butadiene Not detected 10 Hexachlorobenzene Not detected 10 Hexachloroethane Not detected 10 m-Cresol Not detected 10 Nitrobenzene Not detected 10 o-Cresol Not detected 10 p-Cresol Not detected 10 Pcntachlo henol Not detected 50 Pyridine Not detected 10 TCLP RCRA Metals SW846-1311/6010 m -- — TCLP Arsenic 0.029 0.010 TCLP Barium 0.249 0.010 TCLP Cadmium 0.020 0.005 TCLP Chromium 0.118 0.005 TCLP Lead 0.021 0.005 TCLP Selenium Not detected 0.010 TCLP Silver 0.008 0.005 TCLP Mercury SW846-1311/7470 Not detected 0.0005 PCB SW846-8080 u -- -- PCB 1016 Not detected 0.2 PCB 1221 Not detected 0.2 PCB 1232 Not detected 0.2 PCB 1242 Not detected 0.2 PCB 1248 Not detected 0.2 PCB 1254 Not detected 0.2 PCB 1260 Not detected 0.2 PCB, Total Not detected 0.2 TCLP Pesticides/Herbicides SW1311-8081 8151 uglL -- -- 2 4 5-TP (Silvex) Not detected 0.40 2,4-D Not detected 0.40 Chlordane Not detected 1.0 Endrin Not detected 0.10 Heptachlor and theepoxide) Not detected 0.08 Lindane Not detected 0.06 Metho hlor Not detected 0.10 To here Not detected 1.0 TCLP VoIatiles SW846-1311/8260 -- -- 1,1Dichloroeth lene Not detected 1 1 -Dichloroethane Not detected 1 1,4-Dichlorobenzene Not detected I Benzene Not detected 1 Carbon tetrachloride Not detected I Chlorobenzene Not detected 1 Chloroform Not detected 1

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NYC-WTC 000135150

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NYC-WTC_000135150Source: NYC Law Department, mirrored locally

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