NYC 9/11 Public Portal Document
09/21/2001 12:46 2123533599 ATC ASSOCIATES INC - - PAGE 01/03
ATC ASSOCIATES, INC
104 E 25th Street,10th Floor
New York, NY 10010
Tel. 212-353-8280
Fax 212-353-8306
REPORT DATE: 09-21-01
CLIENT: New York City Housing Authority
DEVELOPMENT: Central Office 1
PROJECT ADDRESS: 250 Broadway - Mechanica]i'fentilation Rooms
EDP: 054 S$:
RELEASE #: DR99-1-3788
SAMPLED BY: Jay Krantz
SAMPLE DATE: 09-20-01
DATE RECEIVED: 09-20-01
DATE ANALYZED: 09-20-01
SAMPLE MEDIA: Dust Wipe Sample
ANALYSIS REQUIRED: Method EPA 3050/7420
ANAINSiS RESULTS
SALE BATCH SAMPLE DESCRIPTION DIMENSION LEAD DETECTION PIF
ID NO. AND SURFACE OF SAMPLE CONCENTRATION LIMIT
AREA (g/ft)
(inches)
920-JK-1 14126 Blank - <9.0 9.0 P
9-20-X-2 14126 SN Coil Room (post) Floor 12x12 9.8 9.0 P
14126 8N Coil Room Floor 12x12 10.9 9.0 P
9-20-iK 3
9-20-JK-4 14126 8S Post ColVDrip Pan Floor 12x12 21.7 -' -9.0 F
9-20-IK-5 14126 SS Filter Room Floor 12x12 12.7 9.0 T
NOTE 1:
THE REPORTING LIMIT (RL) IS 18.0 µg
NOTE 2:
HUD Guidclines for final clearance dust wipc saznples: Floor 40 µg/ft', Window sills 250 µF1W,
Window wells 400 µgift. Extrrior surfaccs 849
SEP 21 '01 13:1? 2121~77cga pars pi
NYC-WTC 000106074
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