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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
Document / 71 pages

Environmental assessment request letter, February 2002

Machine-extracted title · confidence 85%

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 09:23 FAX Ij 055 JLC ENVIRONMENTAL CONSULTANTS, INC. 200 Park Avenue South, Suite 1108, New York, New York 10003 Phone: (212) 420-8119 Feu: (212) 420.6092 The Renaleaunce Project No.- c--o Insignia Residential Group, Inc. 01.2228 ELAP Lab Coda: 11029 Analyte: Airborn Particulate 100 John Street New York, NY 10038 NIOSH and AIHA Lab Code. 100273 Date CoUeoted: 1217/01 NVLAP Lab Code: 101953 Date Raveivedp 1200101 Date Analyzed: 1210/01 Site: 900 John Street, New York NY

Summary of Analytical Results - Particulates (Dust) SAMPLE a LOCATION I DESCRIPTION VOLUME LAB IS PLOD CONCENTRATION ( trig / m3) l m3) 01 Ambient/ Indoor! Dust/ Piano' Room! Entrance 399 0.38 240 Lobby

02 Ambient/ Indoor/ Dust/ Middle Left Side W811/ 399 241 Between Apartment ;_ _ _ _.Pii 16th Floor 045

03 Ambient! Indoor/ Dust/ Front Apartment- plI ' 24th 397.5 0,50 242 Floor -.-.- -.-

04 Ambien---Indoor! Dust/ Front Apartment pII 394,5 243 Pu 0.43

05 Ambient/ Indoor/ bust! Between Big Picture and 393 244 Sofa Lamp/ Lobby 0.48

06 Ambient! Indoor/ Dust/ Middle Right Side 381.5 245 Well/Between Apartment[ Pii 0.36 ;15th Floor

07 Ambient! Indoor/ Dust/ Front Apartment _P I. 24th 393 248 Floor - 0.38

Sammie Ansivrsla 'PLOD = Petfonnance 8mit of detection, which is 0.2 mgt air volume (>). Analytical Balance ,Method of Sampia Pro and Analysis All samples were prepared and analyzed in accordance with the National institute of Occupational Safety and Health (NIOSH) Method 0500 02/18184, lnstmmmritalicei Denver A-200D8, with resolution at 0.01 mg.

Gulem Machhlwala Laboratory Director OSHA Permissible Exposure Limit (PEL) for tots! Nuisance Dust is a mg/m3

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NYC-WTC 000123852

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NYC-WTC_000123852Source: NYC Law Department, mirrored locally

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