Metals in air analysis, 75 Park Place, Jan 2001

NYC 9/11 Public Portal Document r1,

METALS IN AIR Ambient Group, Inc. 55 West 39th Street, 12th Floor New York, New York 10018

Client: Jack Resnick & Sons 75 Park Place New York, New York 10007 i

Project ID # 211358 Project Address: 75 Park Place Survey Date: 01/06/01

Concentrations Reported In ug/mg Floor/Location Cadmium Chromium Copper Iron Lead Manganese Nickel Zinc 8th floor/SW Comer <0.22 0.66 <1.69 <14.93 <1.69 <0.51 <0.37 <1.76 7th floor/SW Comer <0.22 0.37 <1.69 <14.93 <1.69 . <0.51 <0.37 <1.76 6th floor/SW Comer <0.22 0.59 <1.70 <15.01 <1.70 <0.52 <0.37 <1.78 5th floor/SW Comer <0.21 0.56 <1.60 <14.1 <1.6 <0.49 <0.35 <1.67 4th floor/SW Comer <0.21 0.83 <1.60 <14.10 <1.60 <0.49 <0.35 <1.67 3rd floor/SW Comer <0.41 <1.24 <3.18 <27.88 <3.16 <0.96 <0.69 <3.30 2nd floor/SW Comer <0.42 1.11 <3.19 <28.19 <3.19 <0.97 <0.69 <3.33 Lobby/Opposite Lobby Desk <0.41 <0.82 <3.16 <27.88 <3.16 <0.96 <0.69 <3.30 Level CM/Mechanical Room <0.41 0.82 <3.13 <27.58 <3.13 <0.95 <0.68 <3.26 Level C/Freight Elevator Lobby <0.40 0.67 <3.09 <27.28 <3.09 <0.94 <0.67 <3.23 14th floor/SW Comer <0.44 1.47 <3.38 <29.85 <3.38 <1.03 <0.74 <3.53 12th floor/SW Comer <0.44 1.91 <3.38 <29.85 <3.38 <1.03 <0.74 <3.53 11th floor/SW Comer <0.44 1.47 <3.38 <29.85 <3.38 . <1.03 <0.74 <3.53 10th floor/SW Comer <0.44 1.47 <3.38 <29.85 <.3.38 <1.03 <0.74 <3.53 9th floor/SW Comer <0.44 <0.29 . <3.38 <29.85 <3.38 <1.03 <0.74 <3.53

All levels reported are below their associated standards and guidelines.

Standard/Guideline OSHA PEL for Cadmium: 5u9/m3 OSHA PEL for Chromium: 1000ug/m3 OSHA PEL for Copper: 1000ug/m3 OSHA PEL for Iron: 10000ug/m3 OSHA PEL for Lead: 50u9/m3 OSHA PEL for Manganese: 1000ug/m3 OSHA PEL for Nickel: 1000ug/m3 OSHA PEL for Zinc: 5000ug/m3

NYC-WTC 000096144