NYC-WTC_000208423

NYC 9/11 Public Portal Document

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

Front 4/15/2002 To 4/21/2002 ; sorted by severity

Date Sampie ANALYTE TASK/ Sampied LAB # Submission # DESCRiPTION Type Area Location OPERATiON Description TiME UOM RESULT TWA SEVERiTY

4/16/02 PI 8977 0416KF02 Hydrogen Chloride P NORTHWEST TURNER NY FIRE FDNY, raking 504 P 0.049 0.049 0.0098 DEPARTMENT spreadout debris south of bldg. 6 pile. 4/21/02 P19213 W8933 Silica, Crystalline A NORTHWEST TURNER AREA SAMPLE 514 X 0 0.034 0.0068666 Quartz, Respirable Dust 4/21/02 DI 5567 W8715 Silica, Crystalline A OTHER WTC 467 X 0 0.032 0.0063920 Quartz, Respirable Dust 4/15/02 PI 8984 W6035 Silica, Crystalline A SOUTHEAST TULLY AREA SAMPLE Tully, AREA, 475 % 0 0.03 0.0060819 Quartz, Respirable maintenance Dust area so of pump A east side of pit. 4/20/02 DI 5573 W8711 Silica, Crystalline A MOYNIHAN MAUREE 425 X 0 0.021 0.0042105 Quartz, Respirable Dust 4/16/02 PI 8977 0416KF02 Nitric Acid P NORTHWEST TURNER NY FIRE FDNY, raking 504 P 0.008 0.008 0.004 DEPARTMENT spreadout debris south of bldg. 6 pile. 4/21/02 PI 9208 W8905 Silica, Crystalline A NORTHWEST TURNER AREA SAMPLE 513 X 0 0.015 0.0030323 Quartz, Respirable Dust 4/16/02 PI 8976 0416KF01 Nitric Acid P NORTHWEST TURNER NY FIRE FDNY, raking 477 P 0.006 0.006 0.003 DEPARTMENT debris south of Bldg.6 pile. 4/16/02 PI 8976 0416KF01 Hydrogen Chloride P NORTHWEST TURNER NY FIRE FDNY, raking 477 P 0.009 0.009 0.0018 DEPARTMENT debris south of Bldg.6 pile. 4/16/02 PI 8976 0416KF01 Hydrogen Bromide P NORTHWEST TURNER NY FIRE FDNY, raking 477 F’ 0.001 0.001 0 0003333 O DEPARTMENT debris south of H Bldg.6 pile K I ro S o o o I o o co SfoitiLiv. Apr" '9. 2l)t)2 iTTCSamplingMasterO42'^ 'tdb Page ‘i "t 4 co cn co co

NYC-WTC_000208426