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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 09:19 FAX lj048 JLC ENVIRONMENTAL CONSULTANTS, INC. 200 Park Avenue South,Suite 1108, New York. New York 10003 Phone:(212)4208119 Fax:(212)420.6092 The Renaissance Project No.: 01.2226 clo Insignia Residential Group, Inc. ELAP Lab Code: 11029 Analyte: Airborn Particulate 100 John Street New York NY 10038 NIOSH and AIHA Lab Coda: 100273 Date Collected: 12131200 NVLAP Lab Coda: 101963 Cate Received: 12/31200 Date Analyzed: 1214/'00 Site: [1 Summary100of John Street New York, NY -______1

Analytical Results - Particulates (Dust) SAMPLE M LOCATION I DESCRIPTION VOLUME PLOD " CONCENTRATION LABS (mgtm3) (mgtm3) 08 Ambient! 34th Flood North WaIU Near ._._._._._._._._._._. P11 360 0.18 1210 1. PII

09 FIELD BLANK <0.01 mg/ Filter 1211

10 FIELD BLANK <0.01 mg/ Filter 1212

Sample Ana is : = ertormarthe limit of detection, isisoh Is 0.2 mgi air Volurns . Analytical Balance

Method of Sample Pro ration and Analysis All samples were prepared and analyzed In aaxrdaneo with the National Institute of Occupational Safety and Health (NIOSH) Method 0500 02/16/84, Instrumentation: Dsmrar A-200D3, with resolution at 0.01 mg.

Gulam Machhiwala Laboratory Director OSHA Pemissible Exposure Limit (PEL) for total Nuisance Dust Is 6 mg/m3

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NYC-WTC 000123845

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NYC-WTC_000123845Source: NYC Law Department, mirrored locally

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