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WTC Daily Report Memo, Oct 23, 2001

Machine-extracted title · confidence 100%

Memo summarizing daily activities including Church Street paving for a memorial service on October 23, 2001.

NYC-WTC_000154488–000154495

Folder label: “DEP OEM Reports to Commissioner

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NYC 9/11 Public Portal Document 07:48 P.04

Fresh Kills (Oct 17, 1830 - Oct 18, 0630 firs) - Asbestos o 3 of 19 samples exceeded,the TEM AHERA .standard. o Exceedances pccurt-ed at Sift Location #9B (96.24 S/mm^), indoor Wash Location #11 (96.24 S/mnL) and indoor Wash Location #12 (96.24 SZnmrt). Agibient Air Sampling Locarions

NYC/ER (Oct 15)-Metals O Ten samples collected. o All metals were either not detected or were below applicable EPA Removal Action level guidelines, OSHA PELs, and the NaAQS foFlead. O Note: QA'QC review of chromium in air analytical data has revealed that chromium is not present in these samples.

NYC / ER (Oct 18) - Particulate Monitoring (PMj.s) o Pace University (Site 1) - 24-hr average concentration for this period was }5,29 ug/m\ o Manhattan Boro Community ColleagVSite 2) - 24-hour average concentration for this period was 7 0.00 ug/rtf. O Coast Guard Building ■■ Battery Park (Site 3) - 24-hour average concentrations for this period was 7.50 ug/m^. o All readings beiow the National Ambient Air Quality Standard for PM2.5 (65 ug'm^).

NYC / ER (Oct 9) ” Particulate Monitoring (PMio) o Pace University (Site 1) - 24-hr average concentration for this period was 50.3 iig/m'‘. o Manhattan Boro Community College (Site 2) - 24-hour average concentration for this period was 40.3 ug/m'’. O Coast Guard Building - Battery Park (Site 3) - 24-hour average concentration for tliis period was 29.2 ug/tn^ o Canal Street Post Office (Site 4) ■ 24-hour average concentration for this period was 37,5 ug/m^ o P.S. 274 - SOO Bushwick Avenue, Brooklyn (Site 7) - 24-hour average concentration for this period was 22.8 ug/m''. □ All readings below the National Ambient Air Quality Standard for PMiq (150 ug/'m’). NYC / ER (Oct 10) - Particulate Monitoring (PMio) o Pace University (Site 1) - 24-hr average concentration for this period was 60.9 ug/m\ o Manhattan Boro Community CollegeVsite 2) - 24-hour average concentration for this period wVs 57.5 ug/nt". O Coast Guard Building - Battery Park (Site 3) - 24-hour average concentration for tliis period was 34.2 * o Canal Street Post Office (Site 4) - 24-hour average concentration for this period was 45.6 ug/m''. o £^§^274 - 800 Bushwick Avenue, Brooklyn (Site 7) - 24-hour average concentration for this period was 26,8 ugOrP. o All readings below the National Ambient Air Quality Standard for PMjo (150 ugZm^).

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Daily activity report detailing updated identification requirements for DEP employees and contractors entering the Red Zone at the World Trade Center site.

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