NYC-WTC_000205487

NYC 9/11 Public Portal Document

V

^US Department of Labor/OSHA WTC Air Sampling Activity AU sampling data mth severity >0 excluding all blanks (Including Area and Personal Samples only)

From 05/01/02 To 05/22/02 ; sorted by severity

Date Sample ANALYTE TASK/ Sampled LAB» Submission # DESCRIPTION Type Area Location OPERATiON Description TIME UOM RESULT TWA SEVERITY

5/15/02 P20403 W9972 Silica, Crystalline P SOUTHEAST TULLY DOCKBUILDER Tully, EROC, 470 % 7.2 9.3 8.5678598 Quartz, Respirable Drill Operator. Dust operating manual drill on level B-2 and B-3 breaking concrete. 5/4/02 D16049 0504PH01 Cadmium P NORTHWEST TURNER TORCH CUTTER cutting beam 460 M 0.025835S 0.026 5.16712 away from steps. WTC 6 at Vesey St., about 10 feet east of confied space entry 5/9/02 P20026 W8142 Silica, Crystalline P SOUTHEAST TULLY Tully. Bobcat 411 % 21 1.9 4.4110491 Quartz, Respirable Operator, Bldg.6, Dust Floor B-2, Level 284, ee operates bobcat with concrete breaker. removing concrete which fell to floor below. 5/4/02 D16049 0504PH01 Copper Fume (as Cu) P NORTHWEST TURNER TORCH CUTTER cutting beam 460 M 0.241875 0.24 2.41875 away from steps. WTC 6 at Vesey St., about 10 feet east of confied space entry 5/8/02 PI 9950 W8156 Silica, Crystalline P SOUTHEAST TULLY Sevetta, Tully 347 % 23 0.94 2.3414986 Quartz. Respirable area. Laborer. n Dust operated jackhammer, H working on slurry 1^ wall repair. NJ 5/2/02 PI 9698 0502PH05 Zinc Oxide Fume P SOUTHEAST TULLY Cutter, WTC 6, 495 M 10.686085 11 2.1372169 SW corner inside n confined space o (Stteam/fan I room), elevated O -10ft above floor. NJ '.D co iVeJiiesday, May 22, 2002 irrCSampIingMasterOS2]. indb Page 1 0/25

NYC-WTC_000205487