NYC-WTC_000232524

NYC 9/11 Public Portal Document

ATC ASSOCIATES, INC 104 E 25th Street, 10th Floor New York, NY 10010 I Tel- 212-353-8280 Fax 212-353-8306

REPORT DATE: o^-is-os

I CLIENT: Taylor Environmental Group, ln.c.

SCA/Stuyvesant HS PROJECT NAME:

I SAMPLED BY: 345 Chambers St., Sth Floor Client

SAMPLE DATE 07-17-02 DATE RECEIVED: 07-18-02 DATE ANALYZED: 07-18-02

SAMPLE MEDIA: Air Samples .AN.ALYSIS REQUIRED: Method NIOSH 7082

I ANALVSISRESULTS

SAMPLE batch SAMPLE DESCRIPTION LE-W DETECTION

I ID NO. CONCENTRATION (Pg/m’) LIMIT (Pfito’)

01 20444 Room S29 at Entrance <3.1 3.1

I 02 20463 Room 833 at Entrance <3,1 3.1

03 20463 Room 835 at Entrance <3.1 3.1

I 04 20463 Room S3 7 at Entrance <3.1 3.1

05 20463 Room 839 at Entrance <3.1 3.1

I 06 20463 Room 840 at Entrance <3.1 3.1

07 20463 Room 829 at Entrance <3.1 3,1

I 08 20463 Room S33 at Entrance <3.5 3.1

09 20463 Room 835 at Entrance <3.1 3.1

10 20463 Room 83 7 at Entrance <3.1 3.1

11 20463 Room 839 at Entrance <3.1 3.1

I 12 20463 Room 840 at Entrance <3.1 3.1

13 20463 Room 838 at Entrance <3.1 3.1

14 20463 Field Blank <1.5 ug 1.5 Mg

15 20463 Field Blank <1.5 pg 1.5 pg I NOTE 1: THE REPORTING LIMIT (RL) IS 3.0 pg

I NOTE 2: At the present time there arc no regulatory, levels or requirements for indoor airborne leed in am saunples. However, OSILt has established an action level of 30 pe/nt’ and a permissible exposure level (TEL) of SO p£/m’ for personal samples. NOTES:

I Blank units are in pg

CONFIDENTIAL, CITY_21MC100_010733873 SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008

NYC-WTC_000232524