Letter from ATC Associates dated February 7, 2002 summarizing wipe and air sampling results for P.S./I.S. 89M.
NYC-WTC_000112955–000112960Folder label: “201 WARREN STREET; 16/220”
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
C C
C C
PS/1S 84141— RESPIRABLE PARTICULATES CONCENTRATIONS Dn(e Type of No. of :Number or indoor N tin iberof Indoor Range of indoor Average indoor respirable Range of ouldoor Averageotttdoar sampling readings readings readings s•cspirableparllculates parilrelatesconcenlralion respirableparliculalea respirableparticulnlcs >40 to <6511g1m 3 65 1. in k coneentralion (pglm, ) concenl rallon corlcelllrailian (24 hrs average) (24 hrs average) (Itg/m3) (Itgl1n 5) (p Jn1~) 1(31/02 Direct Readings 82 4 0 13 — 23 (AM) 18. (A\9) 23 — 39 (AM) 29 (AM) 16-29(PM) 21 (PM) 35-42(PM) 38(PM) 2101x02 Direct Readim_ts 82 19 0 12 —29 (AM) 23 (AM) 39 —45 (AM) 41 (AM) 46 —39 (PM) 49(PM) 88-91 (PM) 90 (PM) 1;3103 — 24-hour 4 18 and 25 using Dust Trak 1102 111011 itorini tuin41 Dusr-Trak & <O,0035 and 13.9 HEM Grnt'intetric samplers 21134/02 Direct Readings 80 0 0 18— 35(AM) :17(Alv4) 48-52 (A141) 50 (AM) 9-22 (P111) 15(AM) 24-31 (PM) 28 (PM) 2I1-2?02 24-Iwnr - 1 <0.00317 using a Uravimetric sampler monitoring using Gravimelric sampler 212-3102 24dtour 4 12 and 12 using Dust Trak monilaring using - - Dusi-Trak& 625 and 6.94 MEM Gravimet tic sai n piers 2x05102 Direct Rendings 80 0 0 6 -- 19 (AM) 12 (AM) 13-28 (AM) 23 (AM) b — 13 (PM 9 (PM) 9— 13 (PM) 10 (PM) 2106102 Direct Readings 80 0 0 I I — 34 (AM) 24 (AM) 45 —53 (AM) 49 (A161) 17-30 (PM) 23 (AM) 38 —44 (AM) 42 (PM)
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NYC-WTC 000112958
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machine-extracted · confidence unavailable · Check page ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
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NYC-WTC_000112954
Document label identifying records for 201 Warren Street within the DEP archive.
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