NYC 9/11 Public Portal Document
JLC ENVIRONMENTAL CONSULTANTS, INC.
200 Park Avenue South, Suite 1001, New York, New York 10003
Phone: (212) 420-8119 Fax: (212) 420-6092
Project No.: 03-2744
k City D.E.P. ELAP Lab Code: 11029 Analyte: LEAD! WIPE
nction Blvd. NIOSH and AIHA Lab Code: 100273 Date Collected 3/5/2003
N rr Date Received: 3/6/2003
Flushing, NY 11373 NVLAP Lab Code: 101953
Date Analyzed: 316/2003
Batch #: 0303L323
Site: 114 Liberty Street, New York, NY
SUMMARY OF ANALYTICAL RESULTS - DUST WIPE
Sample # Description! Location Area in Inches Lead
Lab # (L x W) Concentration
Client's Sample (ug/ft2)
1 7th Floor/ Lead Dust! Floor/ Hallway 12x12 35.5
2577
01
2 7th Floor! Lead Dust/ Wall/ Living Room/ Lower Right 12x12 <9
2578
02
3 7th Floor/ Lead Dust! Counter Top/ Kitchen 12x12 <9
2579
03
Samole Analysis By:
Atomic Absorption Spectrometry (AAS) using an air-acetylene flame with background correction.
Method of Sample Preparation and Analysis
All samples were prepared and analyzed In accordance with the HUD "Guidelines for the Evaluation and Control of Lead Based Paint
Hazardouss,iniousing' Appendix 14.2 and the Environmental Protection Agency Method EPA SW846-3050/7420.
Gulam Machhiwala Collected By: Shawn Rajkumar
Laboratory Director Analyzed By: Madell Collins
Minimum Dectection Limit = <20 ug/ft2
HUD "Guidelines for the Evacuation and Control of Lead-Based Paint Hazardous in Housing" 06/95; define the clearance standards, based
on wipe sampling are: *40 ug/ft2 for floors; *250 ugtft2 for interior window silts; *400 ugfft2 for window and exterior concrete or other rough
0
Page 1 of I
NYC-WTC 000132112
OCR can misread numbers and units. Confirm readings against the page image before using them.