NYC-WTC_000234627

NYC 9/11 Public Portal Document

____________________________ STUYVESANT HIGH SCHOOL____________________________ Respirable Particulates Concentratiniis and Ambient area air sample TEM results fur asbestos Date Total Outdoor Range of Number of Number of Number of Results of TEM Number Readings indoor readings readings air samples asbestos analysis of readings >40 pg/m’ to < > 65 pg/m'’ collected for (structurcs/mm2) readings (|if!/m^) 65 pg/m^ (24 hrs asbestos (Area clearance collected (24 hrs average) TEM criteria <70 average) analysis structurcs/mm2) 9/21/01 Indoor Air Quality Assessment (I AQ) did nol slarl at tins point 15 No structures Detected 10/4/01 No structures Detected 10/5/01 60 22.2 structnres/mm‘ were detected in one sample______________ 10/6/01 No structures Detected 10/7/01 7 No stnicnires Detected 10/8/01 7 No structures Detected 10/9/01 104 20 attd 30 10-39 0 0 12 No structures Detected 10/10/01 102 16 and 18 12-55 1 0 12 No structures Detected 10/11/01 96 33 and 42 18-43 1 0 12 No structures Detected 10/12/01 99 58 18-50 30 0 12 No stnicrures Detected 10/13/01 Indoor air quality assessment was not performed - Weekend 12 22.2 structures/mm“ were delected in one sample 10/14/01 Indoor air quality assessment was not performed - Weekend 12 No stnictures Detected 10/15/01 102 12 and 14 9-33 0 0 12 No stnictures Detected 10/16/01 114 25 and 35 12 - 37 0 0 13 No structures Detected 10/17/01 121 5 and 8 4-27 0 0 12 No stnictures Detected 10/18/01 105 9 and 14 4-26 0 0 20 22.2 structures/mm’ were delected in one sample 10/19/01 101 21 and 75 13-47 17 0 21 No stnictures Detected 10/20/01 No respirable p;u*ticulatc readings were collected - Weekend 20 No structures Detected 10/21/01 No respirable particulate readings were collected - Weekend 20 22.2 stnicturcs/iiim* were detected in one sample 10/22/01 101 74 and 145 27 - 104 46 35 21 No structures Detected 10/23/01 128 108 attd 136 52 - 132 19 107 21 No stnictures Detected 10/24/01 101 76 and 81 27 - 86 62 26 21 No stnictures Detected 10/25/01 101 17 and 54 11-52 16 0 21 No structures Detected 10/26/01 99 21 and 33 9-28 0 0 21 22.2 structures/mm‘ were detected in one sample 10/27/01 No respirable particulate readings were collected - Weekend 21 No stnictures Detected 10/28/01 No respirable particulate readings were collected - Weekend 21 No stnictures Detected 10/29/01 101 23 and 48 12-41 1 0 21 No structures Delected 10/30/01 124 34 and 53 12 - 131 0 1 21 No structures Detected 10/31/01 116 24 and 46 12-38 0 0 21 No stnictures Detected 11/1/01 115 83 and 107 37 - 88 85 18 21 No slructiires Detected 11/02/01 117 54 and 78 38-81 87 20 21 No structures Detected I 1/3/01 No respirable particulate readings were collected - Weekend 21 No stnictures Detected 11/4/01 No respirable parliciil.ile readings were collected - Weekend 21 No structures Detected 11/5/01 118 27 and 36 ,5 - 21 0 0 21 No stnictures Detected 11/6/01 119 14 and 16 5 - 15 0 0 21 No structures Delected 11/7/01 118 30, 31 and 31 17-41 1 0 21 No structures Detected 11/8/01 120 54 and 58 18-61 0 21 22.24 structurcs/mm" w ere detected in one sample 11/9/01 116 26 aitd 30 9-28 0 0 21 22.24 slruclurcs/itmr were delected in two samples 11/10/01 No respirable particulate readings were collected - Weekend 21 22.24 structures/mm" were delected in three samples 11/11/01 No respirable paniculate readings were collected - Weekend 21 No structures Detected 11/12/01 No respirable particulate readings were collected - Veterans Day Holiday 21 22.24 Mriicllires/iiiiii were delected in one sample 11/13/01 117 42 and 52 21-52 19 0 21 No structures Detected I I/I4/0I 117 44 and 50 19-46 4 0 21 No stnictures Detected 11/15/01 116 140 and 140 58-116 111 21 No structLiies Delected 11/16/01 121 80 and 151 47-97 43 76 21 No stnictures Detected 11/17/01 186 16 and 24 6 - 12 0 0 21 No slructiires Delected

CITY_21MC100_003292947

NYC-WTC_000234628