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← Document results/DEP Box 50/100 JOHN STREET Block: 69 Lot: 7502 BIN: 1001127 15-23 PLATT STREET, 20-24 GOLD STREET
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Environmental assessment request letter, February 2002

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NYC DEP letter to building owner requesting environmental hazard assessments and bulk sample results for WTC-area building re-occupancy.

NYC-WTC_000123797–000123867

Folder label: “100 JOHN STREET Block: 69 Lot: 7502 BIN: 1001127 15-23 PLATT STREET, 20-24 GOLD STREET

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NYC 9/11 Public Portal Document 02/20/2002 09:20 FAX 9050 JLC ENVIRONMENTAL CONSULTANTS. INC. 200 Park Avenue South, Suite 1106, New York, New York 10003 Phone: (212) 420'8119 Fax: (212) 420-6092 The Renaissance Project No.: 01-2228 c/o Its ignia Residential Group, Inc. ELAP Lab Code: 19020 Attalyte: Airborn Particulate 100 John Street New York, NY 10038 NIOSH and AIHA Lab Code: 100273 Date Cdfected 12/4/01 NVLAP Lab Code: 101963 Date Received: 12/501 Date Analyzed: 1215101 Site: 100 John $ft~e4 New York, NY

Summary of Analytical Results - Particulates (Dust SAMPLE a LOCATION I DESCRIPTION VOLUME PLOD * LABS CONCENTRATION (nV 1 m3) (mg l m3 ) 08 Ambient!_._._. 34~ ._. Floor! West of Corridor! Near 375 0.19 2226-08

09 FIELD BLANK 2226-09 <0.01 mg/Filter

10 FIELD BLANK 2226-10 <0.01 mg/Filter

Sample AxIfto t1g, * PLOD - Performance limit of detection, which IS 0.2 mg/ air volume (I). Analytical Balance Method of Semplo ,end AhnIys All samples were prepared and analyzed in accordance with the National Institute of Occupational safety and Health (NIOSH) Method 0500 02/15/84. In ur fe n Denver A-20005, with resolution at 0.01 mg.

Gulam Maohhiwala Laboratory Director OSHA Permissible Exposure Limit (PEL) for total Nuisance Dust Is 5 mg/m3

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NYC-WTC_000123847Source: NYC Law Department, mirrored locally

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