NYS DOL WTC worker and environmental data, Feb 2002

NYC 9/11 Public Portal Document

DRAFT New York State Department of Labor 19 of 19 i Sample ID Agenc Date SIteName or Address Sample Sample Analyte Quantifier Results Unit PESH PEL Analysis Method Comments y Sampled type duration (min) 937690 PESH j 1/30/2002 NYPD personal 480 asbestos 0.0111 f/cc 0.1 NIOSH7400 j security at Vesey and West I I ■ ; ...... 1 1 ceiling exposure Jimit for instantaneous readings, for carbon monoxide the ceiling is for a five minute sample f/cc fibers per cubic centimeter of air ; I TWA Time weighted average i t Peak Highest level seen during test PEL Permissible Exposure Limit 1- PESH Public Employee safety and Health Bureau I ppm parts of contaminat per million parts of air STEL Short Term Exposure Limit _ _ mg/tn3 milligrams of contaminant per cubic meter of air ug/m3 micrgrarns^f contaminant per cubic meter of air - 't ND not detected 4...^ NA % not applicable percent___ .T 4------ ---------4.. “i' ’ ~ - t- less than ... -------- 1 less than or equal to 4 _____________ iZ___ a__ ___ 1 <=5 I ■ t .... 4------ , “T "■ ug/wTpe micrograms of contaminant per 100 square centimeters of surface contamination

NYC-WTC_000138584