NYC 9/11 Public Portal Document
AIRBORNE MERCURY RESULTS
Ambient Group, Inc. Project ID: 220490
55 W. 39th Street Building: 50 Broadway
New York, NY 10018
Sample ID Sample Date Location Mercury Concentration
220490-H -1 5/1/02 20th Floor Northwest Side <0.64 3
ug/m3
220490-Hg-2 5/1/02 33rd Floor North Side Center <0.64 ug/m3
220490-Hg-3 5/1/02 29th floor Northeast Side <0.64 ug/m3
220490-Hg-4 5/1/02 19th Floor East Side Center <0.64 ug/m3
220490-Hg-5 5/1/02 17th Floor West Side Center <0.64 ug/m3
220490-Hg-6 5/1/02 12th Floor East Side Center <0.64 ug/m3
220490-Hg-7 5/1/02 10th Floor West Side Center <0.64 ug/m3
220490-Hg-8 5/1/02 7th Floor Northwest Side <0.64 ug/m3
220490-Hg-9 5/1/02 7th Floor Northwest Window (outside air) <0.64 ug/m3
220490-H -10 5/1/02 5th Floor East Side Center <0.64 ug/m3
220490-H -11 5/1/02 Lobby <0.64 ug/m3
NYC-WTC 000105560
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