NYC-WTC_000210292

NYC 9/11 Public Portal Document

PVftLlCSCHOOL. Z34 Al - RESPIRABLE PARTICULATES CONCENTRATION brie Type of Mo. of Number of Number o f Rang* oTJiiilMr Avemgeindoor rnpirqbk Runge etouliJoor Average ouldoar sampling readings parliculcici concentralioii [fidcor (niloor readings r»pLrablc parllculalrs respirable parliculalcs respirable parliciilifas eaacenriraliojt W«o’) conctnlrtlioii caacciilratioo rendtiigs *65 pgAn' ^40 Id <65 iifi/m’ (24 tirj average) aigrra'j (wAn-) (pe/."') (24 hrsdvemge) I 1129/01 Difcul IG'iidinip 61 41 0 32-59 43 62 and 55 61 c c I I'lWOI DirccI Heading 3& 21 35 4»- IIO 71 93 and IW I fl (I JZSl^L OFfocl KiuiCiiOfs 61 U 0 24 - 5S 3(1 16 nnd IS 17 < I L'U’.-OI DitoCT KeoiHiiJ? 37 25 0 3] - 63 46 and 57 52 l2fl««0l- 24-lii)urs Jal J 21-62 30 10- 02 23 1 LOT,'01 "ii/iLioi- 21 -iKiiuii ihlii 29- 4-1 39. 53 I L t 2/01 12712/01 - 24-lifiurs dafu L • in 38 39.241 33 ]2.'I3'H] □iiL-ci R<utlin|s 24 6 J 13-68 27 26-35 26 <■

12.11 WI Din-d R<adingj 24 0 0 7-27 22 n -27 21 I 2d l.'Uf Direct Readiripj 24 3 0 IS-55 36 45 -61 31 1221101 Difccl Iteadifi^ 16- 2 0 23-44 33 46-66 32 I>l2|i'a2 Oiiccl Ruidhts 2 211 and 23 22 (ouijaojsqirip le5> HX) 6.'0J Di'icci Send incs 18-21 20 (outdoor suoplciK fl 1/} 7i«)2 DLrod Headings 4 43-44 45 (DuldoorsuiLptej) (I I.M L'02 DiterlJleidangs •1 32-16 34 -({Kildoorsuiiples) Otrtl.'M Di tect Readings 4 62-64 ^oulJixii sioplcb) 6 l/UXM Direct RcaJings >0 0 0 9-29 J6 16-29 21 0l^23.‘« Direct Readings 60 0 a 8-2t 44 13 15 0 IWAI 2 Direct Readings '60 24 0 25-63 44 56-60 31 0I/25..62 Di rec I Readings '611 0 0 16-30 21 11-29 19 01.'23^12 Direct R«iJlnx3 60 1_ 2 33-70 4a IS-69 2^ oi«n«n2 □■reel Reading W r 40-70 45 13 ■ 69 Oh'31.6)2 Di red Readings 0 0 IS.40 39 11 0 19-60 35 20-40 21 O2.Xlb'O2 Dirac I Reiidifl^ W 33-96 64 03.W 2 Dirccl Reodirijrs M c 0 in-J7 16 24-37 12 Q t>2.*03.‘lj2 DUacl Readings 60 ""o 0 H Diiecl Bendings 60 0 0 16.32 23 36-« IX

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NYC-WTC_000210292