Asbestos air quality report cover letter, 14 Wall Street, Oct

NYC 9/11 Public Portal Document

Oct-05-2001 11:05 From-CLAYTONGGROUPQ + T-624 P.017/021 F-261

~Clayt I

Analytical Results of Area Air Sampling for Airborne Fibers at 14 Wall Street New York, New York for Stellar Management

Clayton Project No. 40-02128.00

Sampling Air Airborne Fiber Sample Period Volume Concentration Number Sampling Location Start Stop (liters) (f/cc)a

SEPTEMBER 20, 2001

SM092001-01 29th Floor, lobby, 1010 1145 1235 0.004 Szold and Brandwen

SM092001-02 31st Floor, lobby, 1017 1150 1209 <b0.002 Restaurant

SM092001-03 30th FIoor, lobby, 1025 1200 1235 0.002 Broker Network

SM092001-04 28"h Floor, Szold and 1031 1215 1352 0.003 Brandwen, reception desk

SM092001-05 27th Floor, center of 1037 1225 1404 0.003 elevators, Performance Specialist

SM092001-06 26th Floor, lobby, dTech 1045 1228 1328.7 <0.002 SM092001-07 25th Floor, SOM. south 1240 1418 1264.2 <0.002 end of "partners area"

SM092001-08 24th Floor, open elevator 1245 1424 1277.1 0.003 lobby area

SM092001-09 23"' Floor, hallway 1255 1428 1209 0.003 between SOM and Fleet Security, off main elevator lobby

NYC-WTC 000094886