345 CHAMBERS STREET; Block: 16; Stuyvesant HS

NYC 9/11 Public Portal Document

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

REPORT DATE: • 07-22-02

CLIENT: Taylor Environmental Group. Inc.

PROJECT NAME: SCAIStuyvesant HS 350 Chambers Street 7th Floor

PROJECT NUMBER: M477-15217-29S81

SAMPLED BY: Client

SAMPLE DATE 07-20-02 DATE RECEIVED: 07-20-02 DATE ANALYZED: 07-20-02

SAI IDLE MEDIA: Air Samples ANALYSIS REQUIRED: Method N1.OSH 7082

ANALYSIS RESULTS

SAMPLE BATCH SAMPLE DESCRIPTION LEAD DETECTION ID NO. CONCENTRATION LIMIT (ug/nf) (µg/m')

01 20517 Inside Room 701 at Entrance to Hallway 3.3 3.1

02 20517 Inside Room 701 A at Entrance to Hallway <.,.1 3.1

03 20517 Inside Room 703 at Entrance to Hallway <3.1 3.3

04 20517 Inside Room 707 at Entrance to Hallway <3.1 3.1

05 205I7 Inside Room 705 at Entrance to Hallway <3.1 3.I

06 20517 Inside Room 709 at Entrance to Hallway <3.1 3.1

07 20517 Inside Room 715 at Entrance to Hallway <3.1 3.1

08 20517 Inside Room 717 at Entrance to Hallway <3.1 3.1

09 20517 Inside Room 727 at Entrance to Hallway <3.1 3.1

19 20517 Field Blank <1.5 ug 1.5 µg

20 20517 Field. Blank <1.5 ug 1.5 µg

NOTE 1: THE REPORTING LIMIT (RL) IS 3.0 µg NOTE 2: At the present time there are no regulatory levels or requircmcnl.s Ear indoor airborne load in area temples. However, OSHA hn estahiiShcd an action level of 30 µglen and a permissible exposure level IPEL) of 50 µglen' for personal samples. NOTE 3 Blank unit; are in µg

NYC-WTC 000107081