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

NYC 9/11 Public Portal Document

JLC -NVIRONMENTAL CONSULTANTS 'NC. 200 P. _ cvenue South, Suite 1001, New York, New Y,_0003 Phone: (212) 420-8119 Fax: (212) 420-6092 Project No. 01-2171 WSA Management LEAD ELAP Lab Code: 11029 Analyte: 100 Ring Road West Date Collected: 10/26/01 fi NIOSH and AIHA Lab Code: 100273 Garden City, NY 11530 NVLAP Lab Code: 101953 Date Received: 10/30/01 Date Analyzed: 10/30/01 New York, NY Lab Batch #: 011OL2167 ---------_.;

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SUMMARY OF ANALYTICAL RESULTS - AIR

Sample # Results (ug/m3) Description/ Location Volume (liter) Lab # Client's Sample #

5uth East 240 <16.7 1 Ambient/._. v _._._._._._._._._._._._._._._._._

18443 Bedroom/ On East Side 01 Ambient)_._._._._._._._.PII_. forth West 240 <16.7 2 18444 Room/ On North Side 02 Ambient/ _ _ _ _ _Pii-_-_-_-_Hallway Elevator/ 240 <16.7 3 18445 Hallway on South Side of Hallway 03 PII Hallway Elevator/ 240 <16.7 4 Ambient/; 18446 Hallway on North Side of Hallway 04 P11 -_ _. 1West 240 <16.7 5 Ambient/ 11th Floor/ 18447 Side Bedroom/ North West Near Closet 05

Sample Analysis by: Atomis Absorption Spectrometry (AAS) with an air-acetylene burner head (Flame) and background correction (AAS-Flame). . a

Method of Sample Preparation and Analysis Collected By: Mohammed Khan All Samples were prepared and analyzed in accordance with NIOSH Method 7082, Analyzed By: Tamara Metelkina February 15, 1984.

Gulam Machhiwala Laboratory Director

Minimum Dectection Limit = <4.0 ug/m3 OSHA Permissible Exposure Limit (PEL) for General Industry is 50 ug/m3.

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