Asbestos analysis summary report, PS/IS 89, Jan 2002

NYC 9/11 Public Portal Document

Summary of Respirable Particulate (PM2.5) Measurements at PS/IS 89 (Through January 25,2002)

Number of Range of PM2.5 Average PM2.5 Number of Number of Readings Measurements Measurement Measurements Measurements 8z Date (Inside/Outside) (ug/m") (ug/m^) above 40 ug/m’ above 65 ug/m’ o m

January 25, 72 inside 6-28 (inside) 13 (inside) 0 (inside) 0 (inside) CO c 2002 8 outside 9-30 (outside) 18 (outside) 0 (outside) 0 (outside) CD m O January 24, 74 inside 21-63 (inside) 42 (inside) 40 (inside) 0 (inside) 2002 6 outside 54-83 (outside) 66 (outside) 6 (outside) 2 (outside) o -□ January 23, 86 inside 9-17 (inside) 11.3 (inside) 0 inside 0 inside o Fn 2002 4 outside 13-20 (outside) 16 (outside) 0 outside 0 outside O January 22, 69 inside 8-38 (inside) 20.1 (inside) 0 (inside) 0 (inside) m O 2002 4 outside 19-61 (outside) 38.8 (outside) 2 (outside) 0 (outside) o m January 21, 59 inside 31-61 inside 39.9 (inside) 17 (inside) 0 (inside) z 2 (outside) 2(outside) p 2002 2 outside 70-71 (outside) 70.5 (outside) P co January 18, 48 inside 18-30 (inside) 23.6 (inside) 0 (inside) 0 (inside) m 2002 2 outside 35-36 (outside) 35.5 (outside) 0 (outside) 0 (outside) o o January 17, 48 inside 19-44 inside 28.8 (inside) 2 (inside) 0 (inside) 03 2002 2 outside 41-46 (outside) 43.5 (outside) 2 (outside) 0 (outside) January 16, 23 inside 5-13 (inside) 8.6 (inside) 0 (inside) 0 (inside) 2002 7 outside 10-13 (outside) 11.7 (outside) 0 (outside) 0 (outside) January 15, 7 inside 30-60 (outside) 45.5 (inside) 3 (inside) 0 (inside) 2002 3 outside 80-82 (outside) 80.7 (outside) 3 (outside) 3 (outside) o January 11, 60 inside 7-18 (inside) 9.2 (inside) 0 (inside) 0 (inside)

'I o 2002 1 outside 36 (outside) 36 (outside) 0 (outside) 0 (outside)

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NYC-WTC_000174691