345 CHAMBERS STREET; Block: 16; Stuyvesant HS

NYC 9/11 Public Portal Document

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

I REPORT DATE: 07-29-02

Taylor Environmental Group, Inc. I CLIENT:

PROJECT NAME: SCA/Stuyvesant HS 3rd, 8th and 9th Floors

PROJECT NUMBER: M477-15217/29S81

Client I SA11PLED BY:

SAMPLE DATE 07-27-02 DATE RECEIVED: 07-27-02

I DATE ANALYZED:

SAMPLE MEDIA: 07-27-02

Air Samples ANALYSIS REQUIRED: Method NIOSH 7082 I YSIS RESULTS I SAMPLE DESCRIPTION LEAD DETECTION

I SAMPLE ID BATCH NO. CONCENTR4T ION (µg/m') L11T (llg1m')

<3.1 3.1 01 20704 Rm 802A at Entrance

I Q2 20704 Rm 807 at Entrance <3.1

<3.1 3.1 3.1 03 20704 Rm 317 at Entrance

I 04 20704 Rm 911 at Entrance <3.1 <3.1 3.1 3.1 05 20704 Rm 329 at Entrance

1 06 20704 Rm 802A at Entrance <5.0

<5.0 5.0

5.0 07 20704 Rm S17 at Entrance <4.2 4.2 08 20704 Rm 911 at Entrance <4.7 4.7 09 20704 Rm 329 at Entrance

I FB-10 20704 Field Blank <1.5 µg 1.5g

1.5 ws FB-11 20704 Field Blank

I I NOTE 1: THE REPORTING LIMIT (EL) IS 3.0 µg NOTE 2: for indoor airbonnic lead in area samplcs. However. OSHA has At the present time there are no rcgularory levels or requirements exposure level (PEL) of 50 µS:m' for personal sampler.

I cstablished an action heel of 30 µglen and a permissible NOTE 3 µg B]anl: unite are in

1 NYC-WTC 000107129