NYC-WTC_000208441

NYC 9/11 Public Portal Document

SAFETY ENVIRONMENTAL (718) 390-0914 CO. OF N.Y. INC. Fax (718) 390-0915

33 Clinton Avenue Staten Island, NY 10301 CLIENT: NYC D.O.T. SITE: 253 BROADWAY, NEW YORK, NY BE: ASBESTOS AIR MONITORING AND TESTING IN ROOM 500 & 502 DATE SAMPLE COLLECTED: 9/19/01 DATE SAMPLE ANALYZED: 9/19/01 PILE NO.: 01-137 BATCH #: 9-008 SAMPLE TYPE: AIR QUALITY CERTIFICATE OF ANALYSIS Airborne asbestos analysis by NIOSH method no. 7400-phase contrast microscopy New York State ELAP # 11475, American Industrial Hygiene association # 17049. Microscope Type-PCM, Make-Olympus, Model CH-2 j SAMPLE SAMPLE LOCATION TOTAL FLOW VOLUME RESULTS ■^NUMBER TIME RATE (L) FIBERS/ SAMPLED (L/Min) CC (MIN) AT-1 RM500 FRONT CUBICLE OFFC 120 15 1800 0.002 J AT-2 RM500 CENTER CUBICLE OFFC 120 15 1800 0.004 AT-3 RM500 REAR CUBICLE OFFC 120 1 t; 1800 0.003 AT-4 RECEPTION AREA FR RM502 60 15 900 0.004 AT-5 RM502 MOORE'S OFFICE 60 15 900 0.005 AT-6 REAR OF RMS02 60 15 900 0.004 AT-7 RM 500 HOWARD'S OFFICE 60 15 900 0.005 AT-8 RM 500 YOUNG'S OFFICE 60 15 900 0.007 AT-9 CONFERENCE RMS00 60 15 900 0.007 I AT-10 CORRIDOR OUTSIDE RMS02 60 15 900 0.005 AT-11 OFFCE RT OF MOORE RM 502 60 15 900 0.004 AT-12 BACK OFFICE RM502 60 15 900 0.005 AT-13 I®’’ RM L BCK CUBICLE RM500 60 15 900 0.007 AT-14 OFFICE RT OF CONF ROOM 60 15 900 0.005

—J* no Ji Francis Oi ?s., Li Laboratory Director Environmental Engineering Consultant • Asbestos, Lead, and Gas Air Monitoring & Testing, Inspections Project Management • Laboratory Analytical Testing Services • Abatement Design • Phase 1 & 2

CITY_21MC100_006678140

NYC-WTC_000208441