345 CHAMBERS STREET; Block: 16; Stuyvesant HS

NYC 9/11 Public Portal Document Al C ASSOCIATES,INC

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

' REPORT DATE: 07-29-02

CLIENT: Taylor Environmental Group, Inc.

I PROJECT NAME: SCAIStuyvcsant HS 3rd Floor

I PROJECT NUMBER:

SAMPLED BY: M477-15217/29881

Client

I SAMPLE DATE DATE RECEIVED: 07-28-02 07-29-02 DATE ANALYZED: 07-29-02 I SAMPLE MEDIA: ANALYSIS REQUIRED: Air Samples Method NIOSH 7082

I AN L IS SU TS

I SAMPLE ID BATCH NO. I SAMPLE DESCRIPTION LEAD CONCENTRATION DETECTION LIMIT z1 3) (jig/ms)

I 01 20726 Inside Room 313 Near Entrance to Hallway <3.1 3.1

I 02

03 20726

20726 Inside Room 313 Near Entrance to Hallway

Field $lank <3.9

<1.5 µg 3.9

1.5 µg

I 04

NOTE 1: 20726 Field Blank <1.5 µg 1.5 µg

THE REPORTING LIMIT (RL) IS 3.0 µg

I NOTE 2: At the present time them are no regulatory levels or requirements for indoor airborne lead in area samples. However. OSHA has established an action level of 30 µg'm3 and a permissible cxposu= level (FEZ.) of 50 gghn3 for personal samples. NOTE 3:

I Blank units are in }tg

CERTIFICATION AND SIGNATURES I ANALYSIS PERFORMED BY: I H REPORT PREPARED BY

ATC certifies that this report is an aceurstc and authentic report of results obtained from the laboratory analysis.

7 QUALITY ASSURANCE COORDINATOR:

LABORATORY DIRECTOR: , - /l( ,t!

P H ATC is accredited by the New York State Department of Health Environmental Laboratory Approval Program (FLAP) and by the American Industrial Hygiene Association (AIHA) to perform analysis of lead in paint. dust wipes. air and soil samples. (FLAP #10379), (AIHA #100229). P

NYC-WTC 000107122