EPA review letter, 133-135 Greenwich Street

NYC 9/11 Public Portal Document

Client Sample ID 133 Greenwich St. 2nd Fl. Kitchen S. Side York Sample ID 05080368-01 Matrix WIC DUST Parameter Method Units Results MDL Methyl Ethyl Ketone Not detected 10 Tetrachloroeth lene Not detected 1 Trichloroe lene Not detected 1 Vinyl Chloride Not detected 1

Client Sample ID 23 Thames St. 2nd Fl Window N. Side York Sample ID 05080368-02 Matrix CAULK Parameter Method Units Results MDL PCB SW846-3550B/8082 m --- --- PCB 1016 Not detected 0.06 PCB 1221 Not detected 0.06 PCB 1232 Not detected 0.06 PCB 1242 Not detected 0.06 PCB 1248 Not detected 0.06 PCB 1254 0.36 0.06 PCB 1260 0.10 0.06 PCB, Total 0.46 0.06

Unit's Key: For Waters/Liquids: mg/I. = ppm; ug/L = ppb For Soils/Solids: mg/kg = ppm ; ug/kg = ppb

Notes for York Project No. 05080368

1. The MDL (Minimum Detectable Limit) reported is adjusted for any dilution necessary due to the levels of target and/or non- target analytes and matrix interference. 2. Samples are retained for a period of thirty days after submittal of report, unless other arrangements are made. 3. York's liability for the above data is limited to the dollar value paid to York for the referenced project. 4. This report shall not be reproduced without the written approval of York Analytical Laboratories, Inc. 5. All samples were received in proper condition for analysis with proper documentation. 6. All analyses conducted met method or Laboratory SOP requirements. 7. It is noted that no analyses reported herein were subcontracted to another laboratory.

Approved By: Date: 8/15/2005 Robert Q. Managing

YORK Page 4 of 4

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