NYC-WTC_000210615

NYC 9/11 Public Portal Document

09/17/2001 12:09 2123533599 ATC ASSOCIATES INC PAGE 07/12 ATC ASSOCIATES, INC 104 E 25th Street, 10th Floor New York, NY 10010 Tel. 212-353-8280 Fax 212-353-8306

REPORT DATE: 09-17-01

CLIENT: Scientific Laboratories, lnc./URS Corp. PROJECT LOCATON: Peck Slip Station, NYC - 2 Floor

SAMPLED BY: Client

SAMPLE DATE; 09-16-01 DATE RECEIVED: 09-17-01 DATE ANALYZED: 09-17-01

SAMPLE MEDIA: .Air Samples ANALYSIS REQUIRED: Method NIOSH 7082

—s---------J- affS S3S

analysis results

SAMPLE BATCH S.AMPLE DESCRIPTION LEAD DETECTION ID NO. concentration LIMIT (PSim?)

2PiLl 14027 Air Sample <1.4 1.4

2P2L2 14027 Air Sample 7S 1.2

2P3L3 14027 Air Sample <1,3 1.3 2P4L4 14027 Air Sample <1-3 1.3

2P5L5 14027 Air Sample <1.3 1.3

NOTE 1: THE REPORTING LIMIT (RL) IS 3.0 pg

NOTE 2: At ihe present time there are no regelaioty Icvel.s or requirements fer indcor airborne lead in area S.iniple.t However. OSHA bjs established an action level of 30 ns/m' and a permissible exposure level (PEL) t-f 30 nj/rn’ for personal samples.

cn==---- x-a=------------------- v.:-- -enet,—-s= CERTTFICATTQN AND SIGNATURES

ANALYSIS PERFORMED BY:.

REPORT PREPARED BY:

ATC certifies that this report is an accurate and authentic report of results obtained from the laboratory analysis.

QUALITY ASSURANCE COORDINATOR;

LABORATORY DIRECTOR:.

ATC Environmental Inc. (ATC) is accredited by the New York State Deparanent nf Health Enviroarr.cnta! Laborctery Approval I’rojrom (NYS DOH ELAP) to perform analysis of lead in paint end dust wipes 0 LAP JI 10379).

SEP 17 2001 12=25 212353359S PAGE.07

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NYC-WTC_000210615