NYC-WTC_000203060

NYC 9/11 Public Portal Document

Tape Meters Mulli-GMTHP-S TVA-100 J com H2SO4 HNO3 HCI H2S SO2 LEL 02 CO HCN NO ocation Dale Time WD m ppbv ppbv jzcki. ppbv JEPiH. ppm Ji. JL ppm ppmppm ppm f-1 Q.' L 9/20 9:05 0 N/A N/A N/A 0 0 0 20.9 0 0 0 0 0 __ d A 9/20 9:24 Up 0 N/A N/A N/A 0 0 0 20,9 1 0 0 0 plaza 9/20 9:32 Up 0 N/A N/A N/A 0 0 0 20,9 0 0 0 0 0 0 ~o” 0 0 0 20.9 0 0 B 9/20 9:35 0 N/A N/A N/A -X- C 9/20 9:39 0 N/A N/A N/A 0 0 0 20,9 0 0 0 0 0 Cl<* 9/20 9:41 0 N/A N/A N/A 0 0 0 20.9 0 0 0 r\ n Up H 9/20 9:50 Up 0 N/A N/A N/A 0 20.9 0 0 0 0 0 __ 0 0 1.3 0 I 9/20 9:56 IS. 0 N/A N/A N/A 0 0 20.9 0 0 D 9/20 10:03 Still 0 N/A N/A N/A 0 0 0 20.9 0 0 0 Banker Cross Dw 0 NZA N/A 0 0 0 20,9 3 0 0 0,47 0 9/20 I0;07 N/A Trust Banker 8 0.8 0 4.05 0 9/20 10:13 Cross Dw 0 N/A N/A N/A 0 0 0 20.9 Trustl 9/20 10:19 Crosswind 0 N/A N/A N/A 0 0 0 20.9 0 0 0 0 0 Liberty+ 9/20 Dw N/A N/A 0 0 20.9 0 0 0 0 0 10:26 0 N/A 0 West E 9/29 10:34 Dw 0 N/A N/A N/A 0 0 0 20.9 0 0 0 0 0 F 9/20 10:44 Dw 0 N/A N/A N/A 0 0 0 20.9 T 0 0 0 J 9/20 10:52 Dw 0 N/A N/A N/A 0 0 0 20.9 0 Qo 0 0 Cotnments: 9/20 General wind direction out of the southeast; High humidity__________________________________________ Plaza-150 fl from edge upwind fairly still; J - active truck washing; I«Heavy pedestrian traffic; Bankers Trust. Greenwich+Liberty o Banker Trustl at edge of Pit w/active removal and minor plumes; Liberty+West at the edge of pile; F - *CO varies w/wind_______ H ^-t-M not sampled due to rairtf^ j NJ

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NYC-WTC_000203061