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

NYC 9/11 Public Portal Document

DEC. 3.21401 12~06Pf1 JLC EN 1IROPN'ENTAL NO 157 P.11` . JLC - WIRONMENTAL CONSULTANTS -NC. .{_ 200 Pa... Avenue South, Suite 1106, New York, New Yot ,. .0003 Phone: (212) 420-8119 Fax: (212) 420.6092 Project No.: 0t- z WSA Management Analyte: Airbam Paftkulats 100 Ring Road Weal ELAP Lab Code: 11028 _ Date ollected. Garden City, NY 11S30 NIOSH and AIHA Lab Code: 100273 Date RC 11 1 NVLAP Lab Code: 101953 Date Analyzed: 11130101 Site PII -New York, NY r -.-...-.-.-.-.-.-.-.-.-.-.-.-.-.-,

Summary of Analytical Results SAMPLE # LOCATION / DESCRIPTION VOLUME ~PyL~OD • CONCENTRXflON / (mg /m3) (mglm3). : a ' LAB#

1 Ambient/ Outside/Apartment; ph North Bedroom/ 120 0.67 2222-01 With Door on Right

pj~_. 2 Ambient/ South East Bedroom/ Apartment;- .-----.- 120 0.50 2222-02 Entrance Door on Right ;..w;

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

4 Ambient/ Corridor/ 5th Floor/ North End of Corridor 120 0.75i ;?' i . ,. 2222-04 with Wall ,

5 Ambient/ 7th Floor/Apartmer P11 Jorth Bedroom! 120 0.83 2222-05 Entrance Door Right

6 Ambient/ 7th Floor/Apartmeri PII ;oath East 120 0.58 2222-06 Bedroom/ Entrance Door on Ri ht'-

7 FIELD BLANK <0.01 mg/Filter 2222-07

' PLOD = Performance limit of detection, which is 02 mg/ air volume(). Sample Ar elya1s t Analytical Balance Method of Samble Precaration and Analysis All samples were prepared and analyzed in accordance With the National Institute of Occupational Safety and Health (NIOSH) Method 0500 02/15/94.

lnahrumentalion _ Denver A-200DS, with resolution at 0.01 mg.

%D~ Gulem Machhiwelta Laboratory Director :.: OSHA Permissible Exposure Umi (PEL) for total Nuisance Dust is 5 mg/m3

'', Page 1 of 2 ~a

NYC-WTC 000108609