NYC-WTC_000208778

NYC 9/11 Public Portal Document

Liberty Mutual /ATC Industrial Hygiene Air Sample Results December 9,2001

OSHA PEL Station Sample Begin Begin Comment orACGIH Action Type Sample ID Zone Job Description Date End Date Time End Time Worker Analyte Results Units TLV Level

Persona! 0112009-WTCBORM02 BOVIS Spotter 11/30/2001 12/1/2001 8:27:00 PM 3:32:00AM JoaoTamasio Selenium <0.0025 mg/cu m 0.2 0.1

Thallium <0.0025 mg/cu m 0.1 0.05 S Tin <0.0028 mg/cu m 2 1 Titanium 0.00032 mg/cu m 15 7.5 i Vanadium <0.00044 mg/cu m 0.1 0.05

Zinc 0.005 mg/cu m 5 2.5

Solvent Vapor Samples (VOCs) Personal 0112010-WTCBOAF02 BOVIS Torchman 11/29/2001 11/29/2001 8:17:00 AM 3:21:00 PM Andrew Millman Bsnzene <0.0012 ppm 1 0.5 f Ethyl Banzene <0.00087 ppm 100 50

Toluene <0.0010 ppm 200 100

Xylene <0.0020 ppm 100

PBteonal 0112010-WTCBOCJ03 BOWS Burner 11/29/2001 11/29/2001 8:20:00 AM 3.-21.00 PM Benjamin Jones Benzene <0.0012 ppm 1 0.5

Ethyl Benzene <0.00088 ppm 100

Toluene 0.0038 ppm 50

Xylene <0.0020 ppm 100 s Polycyclic Aromatic Hydrocarbon (PAH) Samples 0.2 Personal 0111335-WTCBOCD02 BOVIS Torchman 11/28/2001 11/29/2001 8:36:00 PM 3:40:00 AM Randy Sookoo Acenaphthene <0.00049 mg/cu m (Total PAHS) 0.2 Acenaphthylene <0.00026 mg/cu m (Total PAHs) 0.2 Anthracene 0.00001 mg/cu m (Total PAHs) 0.2 Berz/ajanthracene <0.000025 mg/cu m (Total PAHS) 0.2 n Benz(b)fluoranthene <0.000022 mg/cu m (Total PAHs) 0.2 Benzo(a)Pyrene <0.000026 mg/cu m (Total PAHs) 0.2 Benco(ghi)Perylene <0.000050 mg/eu m (Total PAHs) so .0.2 Benzo(k)Fluoranthene <0.000026 mg/cu m (Total PAHs) o

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