345 CHAMBERS STREET; Block: 16; Stuyvesant HS

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: 07-22-02

CLIENT: Taylor Environmental Group, Inc.

PROJECT NAME: SCA/Stuyvesant HS 350 Chambers Street 7th Floor

PROJECT NUMBER: M477-15217-29S8 ]

SAMPLED BY: Client

SAMPLE DATE 07-20-02 DATE RECEIVED: 07-21-02 DATE ANALYZED: 07-21-02

SAMPLE MEDLA: Air Samples ANALYSIS REQUIRED: Method N1OSH 7082

ANALYSTS RESULTS

SANJPLL• BATCH SAMPLE DESCRIPTION LEAD DETECTION ID NO. CONCENTRATION LIMIT (g/n 3) (µ3/m3)

L-01 20520 F.Calle SS# PII y' Room #726 <42 4.2

L-02 20520 P.Loia SS# PII / Room #7; l <42 4.2

L-03 J.Cornpovende SS# P1I l Room #736 <4.2 4.2 J__20520 L-04 20520 J.Cantos SSA PII ;/ Room #735 <4.2 4.2

L-05 20520 E.Sarmiento SS# PII i' Room #737 <4.2 4.2

L-06 20520 M.Avila SS#L PII / Room #739 <4.2 4.2

L-07 20520 L.Foremska SS# PII Room #738 <4.2 4.2

L-08 20520 ..Sanchez SS~~ PII ! Room #740 <4.2 4.2

P11 <4.2 L-09 20520 RCalli SS# J Room #729 4.2

L-10 20520 Field Blank <1.5 µg 1.5 µg

L-1,1 20520 Field Blank <1.5 µg 1.5 µg

NOTE): THE REPORTTNG LIMIT (RL) IS 3.0 µg NOTE 2: At the present time there are no regulatory levels or reouircment; for indoor airborne lend in area samples. However, OSHA has ettnblishcd an action level of 30 µdm and a permissihlc a cpasure level (PET..) of 5A }:rim' for personal samples. NOTES: Blank units arc in hg

NYC-WTC 000106966