NYC 9/11 Public Portal Document
10/02/2001 12:28 2125984283 ATC ASSOCIATES - PAGE 01/E
ATC ASSOCIATES,INC
104 E 25th Street, 10th Floor
New York,NY 10010
Tel. x12-353-$280
Fax 212-353-8306
REPORT DATE; 09-18-01
CLIENT: New York City Housing Authority
PROJECT ADDRESS: 250 Broadway
RELEASE 4: DR99-1-3821
SAMPLED BY: S. Moldur
SAMPLE DATE: 09-16-01
DATE RECEIVED: 09-16-01
DATE ANALYZED: 09-16-01
SAMPLE MEDIA: Dust wipe Sample
ANALYSIS REQUIP.ED: Method EPA 3050/7420
• ANALYSIS RESULTS
DIMENSION LEAD DETECTION P/F
SAMPLE BATCH SAMPLE DESCRIPTION LIMIT
AND SURFACE OP SAMPLE CONCENTRATION
• ID NO.
AREA (g/ft)
(inehes)
Blank - <9.0 9.0
1 14025
12x12 39.1 9.0
2 14025 Lower Rm 31 Floor - Floor
3 14025 Filter Rm 31 Floor - Floor 12x12 66.6 9.0
12x12 42.9 9.0
4 14025 Coil Rm 31 Floor - Floor
4x12 701.2 27.0
5 14025 Outside Lower Rm 31 Floor - Window Sill
12x12 9.0 9.0
6 14025 Chief Office 27 Floor- Desktop
12x12 49.0 9.0
7 14025 Outside Desktop Direetor27 Floor-
Desktop Office by Secretary
12x12 <9.0 9.0
• 8 14025 Pantry 27 Floor - Floor
12x12 225.7 9.0
9 14025 Lower Rm 19 Floor South - Floor
Filter Rm 19 Floor South - Floor 12x12 75-2 9.0
10 14025
12x12 377.4 9.0
11 14025 Coil itm 19 Floor South -Floor
12x12 59.3 9.0
12 14025 Lower Rm 8 Floor South - Floor
12x12 194.0 9.0
13 34025 Filter Rm 8 Floor South - Floor
12x12 299.1 9.0
14 14025 Coil Rm 8 F1oor South
NOTE 1:
THE REPORTING LIMIT (RL) IS 18.0 µg
NOTE 2: µS/R', Window sills 250 µ+ /ft=,
HUD Guidelines for final clearance dustwipc samples: Floor 40
Window wells 400 µgltts, Exterior surfhees 800 µ0 .
NYC-WTC 000106097
OCR can misread numbers and units. Confirm readings against the page image before using them.