NYC-WTC_000208702

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

REPORT DATE: 10-08-01

CLIENT: Bechtel

PROJECT NAME: Bovis/Tumer PROJECT ADDRESS: WTC-EMG PROJECT NO: 15-75220-001

SAMPLED BY: K. Fitzpatrick

SAMPLE DATE: 10-07-01 DATE RECEIVED: 10-08-01 DATE ANALYZED: 10-08-01

SAMPLE MEDIA: Air Samples ANALYSIS REQUIRED: Method NIOSH 7082

ANALYSIS RESULTS

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

01 9471 Field Blank <1.5 1.5

02 9471 Field Blank 1.5

03 9471 Sam Gibson Bovis - Cutter Ground 1.5

04 9471 Angelo Cutugno SS 9914 Bobcat Ground Operator 16.2 1.5

NOTE 1: THE REPORTING LIMIT (RL) IS 3.0 pg NOTE 2: At the present time there arc 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 pg/m’ for personal samples.

CERTIFICATION AND SIGNATURES

ANALYSIS PERFORMED BY: X c REPORT PREPARED BY: CD E 3 ATC certifies that this report is an accurate ai^ authentic report of results obtained from the laboratory analysis. o o Q "cd QUALITY ASSURANCE COORDINATOR: ■c CM o O Q. LABORATORY DIRECTOR: CO o O CM Z ATC Environmental Inc. (ATC) is accredited by the New York State Department of Health ^Environmental Laboratory Approval O 3 O 0. Program (NYS DOH ELAP) to perform analysis of lead in paint and dust wipes (ELAP #10879). O I o O) O Z d CITY_21MC100_009249461 z