345 CHAMBERS STREET; Block: 16; Stuyvesant HS

NYC 9/11 Public Portal Document ATC ASSOCIATES,INC I 104 E 25th Street, 10th Floor New York,NY 10010 Tel. 212-353-8280

Li Fax 212-353-8306

I REPORT DATE: 07-29-02

CLIENT: Taylor Environmental Group, Inc.

PROJECT NAME: SCAIStuyvesant HS 9th, 8th, 3rd Floors

PROJECT NUMBER: M477-15217/29881

SAMPLED BY: Client

I SAMPLE DATE DATE RECEIVED: 07-27-02 07-27-02 DATE ANALYZED: 07-27-02 I SAMPLE MEDIA: Air Samples ANALYSIS REQUIRED: Method NIOSH 7082

I ANALYSTS RESULTS

I SAMPLE 'PT ID BATCH O SAMPLE DESCRIPTION I CONCENTRATION LEAD DETECT1ON LIMIT (µgum`) (gglm3)

I L-01 20703 Marcelo Atiencia SS#L._._._._._._._.P!L_._._._._._._._ 3.1 3.1 I ----------- -------------

Miguel Ali SSA._._._._._._._._P!!._._._._._._._._ <

L-02 20703 <3.1 3.1 L-03 20703 Luis Cuzco SS# ' _ _ _ _ _ _ _.Pn _ - _._._._._._._._._. ._._._._._._._._._. 3.1 <3.1 I L-04 L-05 20703 20703 Ana Alvarez SS#_._._._._._._._._. PII._._._._._._._._._. Javier Solis ._._._._._. ._._._._._.,i <3.1 ________________ 3.1

r L-06 L-07 20703 20703 Marcelo Atiencia SS# Miguel Ali SS# L._._._._._. PII PII

_ ._._._._._ <4.2 41

4.2

<4.2 4.2 I L-08

L-09 20703 20703 Luis Cuzco SS# .-.- - - - - -PII _ _ _ _ _ _ _ Ana Alvarez SS#._._._._._._._. .... _._._._._._._. <4.2 4.2 _._._._._._._ 42 <4.2 L- 10 20703 Javier Solis SS#_._._._._._._PII _ <1.5 µs 1.5 µS FB-11 20703 Field Blank <15g 1S IBS I FB-12

NOTE 1: 20703 Ficld Blank

THE REPORTING LIMIT (RL) IS 3.0 µg I NOTE 2 At the present time there are no regulatarY levels or requirements for indoor airborne laud in st=a samples. exposure level (PEI.) of 50 µglnt3 for personal How ever, OSI4k has samples. established an action level of 30 µglen} and a permissible NOTE 3: Blank units are in µg

NYC-WTC 000107009