NYC-WTC_000209746

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; 07-29-02

CLIENT; Taylor Environmental Group, Inc.

PROJECT NAME: SCA/Stuyvesant HS 3rd, 8th and 9th Floors

PROJECT NUMBER: M477-15217/29S81

SAMPLED BY; Client

SAMPLE date 07-27-02 DATE RECEIVED: 07-27-02 DATE ANALYZED: 07-27-02

SAMPLE MEDIA: Air Samples ANALYSIS REQUIRED; Method NIOSH 7082

ANALYSIS RESULTS

SAMPLE BATCH SAMPLE DESCRIPTION LEAD DETECTION ID NO. CONCENTRATION UMIT (Mg/m’)

01 20704 Rm 802A at Entrance <3.1 3.1

02 20704 Rm 807 at Entrance <3.1 3.1

03 20704 Rm 317 at Entrance <3.1 3.1

04 20704 Rm 911 at Entrance <3.1 3.1

05 20704 Rm 329 at Entrance <3,1 3.1 06 20704 Rm 802A at Entrance <5.0 5.0 07 20704 Rm S17 at Entrance <5.0 5.0 08 20704 Rm 911 at Entrance <4.2 4.2

09 20704 Rm 329 at Entrance <4.7 4.7

FB-10 20704 Field Blank <1-5 MS 1-5 ag

FB-11 20704 Field Blank <1-5 UE 1.5 (sg

NOTEI: THE REPORTING LIMIT (RL) IS 3.0 ^tg NOTE 2: .4.! the piCEcnl lime there are no rcpjlatory level! or requirement, for indoor airborne lead in area samples, however. OSHa has cstnblished an action level of 30 ng/m’ and a pennissihle expomre level (PEL) of 50 nj'tn’ for personal sitnplee. NOTE 3' Blank units: are in pg

CITY_DEP_WORBY_CANNATA_SUBP_000003865

NYC-WTC_000209746