NYC-WTC_000232348

NYC 9/11 Public Portal Document

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

REPORT DATE: 08-29-02

CLIENT: Taylor Environmental Group, Inc.

PROJECT NAME: SCA/Stuyvesant HS Stuyvesant H. S.- Auditorium

PROJECT NUMBER: M477-15217/29881

SAMPLED BY: Client

SAMPLE DATE 08-29-02 DATE RECEIVED; 08-29-02 DATE ANALYZED: 08-29-02

SAMPLE MEDIA: Air Samples ANALYSIS REQUIRED: Method NIOSH 7082

ANALYSIS RESULTS

SAMPLE BATCH SAMPLE DESCRIPTION LEAD DETECTION ID NO. CONCENTRATION LIMIT (gg/m^)

AL-1 21608 Auditorium Balcony North <1.4 1.4

AL-2 21608 Auditorium Balcony South <1.4 1.4

AL-3 21608 Auditorium Lower Level 15' of North Exit <1.4 1.4

AL-4 21608 Auditorium Lower Level 15' of South Exit <1.4 1.4

AL-5 21608 Auditorium Storage Center <1.4 1.4

FBI 21608 Field Blank <1.5 pg 1.5 pg

FB2 21608 Field Blank <1.5 pg 1.5 pg

NOTE 1; THE REPORTING LIMIT (RL) IS 3.0 pg NOTE 2: At the present time there are no regulatory levels or requirements for indoor airborne lead in area samples. However. OSHA has established an action level of 30 pg/m^ and a permissible exposure level (PEL) of 50 ug/m' for personal samples. NOTE 3: Blank units are in pg

CITY_21MC100_010218088

NYC-WTC_000232348