80 JOHN STREET; Block: 68 Lot: 33 BIN: 1001115 19-25 Gold Street, 25-27 Platt Street

NYC 9/11 Public Portal Document 4 DEC 3.2001 12:08PM JLC ENVIRONMENTAL N0.157 P.li`' JLC ENVIRONMENTAL CONSULTANTS, INC. ' " - 200 Park Avenue South, Suite 1106, New York, New York 10003 {' Phone: (212) 420-8119 Fax: (212) 420.6092 Pro)act No.: 01.2272 WSA Management Ansyte: Airbom Partleuhtis ' 100 Ring Road West ELAP Lab Code: 11029 Collected: 11/30101 Garden Clty, NY 11S30 NIOSH and AIHA Lab Code: 100273 Date Received: Date 11130101, NVLAP Lab Code: 101953 Date Ahalyzed: 11/30/01

Site: 60 John Sleet New York, NY

Summary of Analytical Results SAMPLE # LOCATION I DESCRIPTION VOLUME PLOD' CONCENTRATION (mg l m3) (mg / red) LAB*

Ambient/Outside/Apartment P11 North Bedroom/ 120 0,67 1 2222-01 With Door on Right

120 0.50 2 Ambient/ South East Bedroom/ Apartmenti_.pII 2222-02 Entrance Door on Right ,,r•, n

Ambient/ Corridor/ 5th Floor/ South End of the 120 0.92 3 • 2222-03 Corridor with VMII

Ambient/ Corridor/ 5th Floor/ North End of Corridor 120 0.75i;'f 4 2222-04 with Well

Ambient/ 7th Floor/APariment PII ;North Bedroom/ 120 0.83 6 2222-05 Entrance Door Right

120 0.58 6 Ambient/7th Floor/Apartment._PLl_.aouth East 2222-06 Bedroom/ Entrance Door on Right

FIELD BLANK <0.01 mglFilter 7 2222-07 ~t1Fi,+

• P LOD Performance limit of detection, which is 02 mg/ air volume (I). Aamela Matyels by' t " ; i• a Analytical Balance Method of Sarnble Praoara io_n and Ahetyals Method 0500 02/15/94. Ail samples were prepared and analyzed in accordance with the National Institute of Occupational Safety and Health (NIOSH)

The(mmentat'iob Denver A-200DS, with resolution at 0.01 mg.

Guiam Machhtwe(e Laboratory Director ''1• `I-,:= 4 OSHA Permisable Exposure Limit (PEL) for total Nuisance Duet is 5 mglm3

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