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 Sample ID Agenci Date SiteName or Address Sample Sample Analyte Quantifier Results Unit PESH PEL Analysis Method Comments y Sampled type duration min 937690 PESH 1/30/2002 NYPD personal 480 asbestos 0.011 f/cc 0.1 NIOSH 7400 security at Vesey and West -

ceiling exposure limit for instantaneous readings, for carbon monoxide the ceiling is for a five minute sample f/cc _ fibers percubiccentlmeterof air TWA Time hted ave - -. . -- - -- _ Highest level seen during test { ' -

Peak

-- i PEL Permissible Exposure Limit PESH Public Employee Safety and Health Bureau_ ppm parts of contaminat per million parts of air 1 STEL Short Term Exposure Limit ._ -. mg/m3 milligrams of contaminant per cubic meter of air i - m3 _ micrgrams of contaminant per cubic meter of air - - ND not detected _ — t ( - — f — — NA not applicable - — - — -- - - - N -- ----- - -- — - -- — --- --- -- - -- Y -- --- <-_ ._ _ less than _-~ f __- _ _ ._ a less than or equal to -. ~_.._ - —— _ _ _- __ _ --_- _.'_ _ _______ -_ _ __ t.. -._i. mi rams of contaminant r 100 square centimeters of surface contamination 1 t

NYC-WTC 000138584