NYC-WTC_000232364

NYC 9/11 Public Portal Document

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

I REPORT DATE; 08-20-132

CLIENT: Taylor Environmental Group, Inc.

I PROJECT N.A.ME: SCA/Stuyvesant HS 7th Floor

I PROJECT NUMBER; M477-15217/29381

SAMPLED BY; Client

I SAMPLE DATE DATE RECEIVED; 08-20-02 QS-20-02 DATE ANALYZED: 08-20-02

SAMPLE MEDIA: Air Samples ANALYSIS REQUIRED: Method NIOSH 7082

I analysis results

SAMPLE batch SAMPLE DESCRIPTION LEAD DETECTION ID NO. CONCENTRATION LIMIT (P&'m’) I 7.L1 21331 Corridor West Side by Rm 739 <1.3 1.3

I 7-L2

7-L3 21331

21331 Inside Rm 731 South Side

Corridor Middle Side by Escalator <1.3

<1.3 1.3

1.3

I 7.L4

7-L5 21331

21331 Corridor East Side by Rm 707

Inside Rm 702A <1.4

<1.4 1.4

1.4

I FBI

FB2 21331

21331 Field Blank

Field Blank <1.5 ^lg

<1.5 ME 1-5 us

T5 pg

I I NOTE 1; THE REPORTING LIMIT (RL) IS 3.0 ng

I NOTE 2: A( Ihs present line there jre no regulatory levels or requirement: for indoor airborne lead in area samplee Howm-er, OSHA ha.: cetablirbsd an action level of 30 pg'ni’ and a permtssiWe exposure level (PEL) of 50 pg/m’ for personal samples. NOTE 3;

I Blank unit; are in pg NOTE 4; Samples prepared by ESML

CITY_21MC100_010218332

NYC-WTC_000232364