NYC-WTC_000219981

NYC 9/11 Public Portal Document

< A i I Ambient Group, fnc. 55 West 39tb SL, 12th Fl. New York, New York 10018

CItenL- SL Green Realty 17 Battery Place New York, New York

Project ID #211502 Project Address: 17 Battery Place Survey Date: 10/13/01

Concentrations Reported In ug/m^ Floor/Location Cadmium Chromium Copper iron Lead Manganese Nickel Zinc B-N Side Room B21 <0.33 <0.67 47.77 27.57 5.25 3.91 0.56 7.25 2nd Floor/Job Development <0.5 1.33 <3.83 <33.83 <3 83 <1.17 <0.33 <4 .CO 3rd Floor/Wildcat Service Corp. <0.27 <0.54 <2.05 <18.13 <2.05 <0.63 <0.45 <2.14 S lOlh Floor/Reception Area <0.28 0.65 3.92 <18 94 <2.15 <0.65 <0.47 3.08 DC 12th Floor/ln Cubicle 03 <0.20 C.70 <2.02 <17.87 <2.02 <0.62 <0.44 <2.11 <E 14th Floor/Reception Adjacent to Time Clock <0.03 <0,05 <0.20 <i.eo <0.20 <0.06 <0.04 <0.21 15th Floor/Adjacent ACS Menlorinq Program <0.02 <0,04 <0.16 1.45 <0.16 <0.05 <0^04 <0.17 16th Floor/Adjacent Room 16-D2 <0.02 <0.05 <0.18 <1.57 <0.18 <0.05 <0,04 <0.19 1Zlh Floor/North Side <0.02 0.07 <0.18 <1,57 <0.18 <005 <0.04 <0.19 ISiii Fiour/North Side Empty Office <0.02 C.05 <0.13 <1.63 <018 <0.06 <0.04 <0.19 19lh Floor/North Tower, East Face <0.02 CLOT 4.65 <1.47 0'20^ <0.05 <0.04 0.S5 20lh Floor/North Tower, East <0.03 C.tB <0.02 <1.80 <020 <0.06 <0.04 0.23 21 st Floor/North Tower, West Face <0.03 <0.06 <0.21 <1,87 <0.21 <0.06 <0.05 <0.22 22rd Floor <0.03 <0.05 <0.21 <1.83 <021 <0.06 <0 04 <0.22 All levels reported are below their associated standards and guidelines.

Standard/Guidellne OSHA PEL for Cadmium: 5ug/n? OSHA PEL for Chromium: 1000ug/m’ x: OSHA PEL for Copper; lOOQug/m’ Q OSHA PEL for Iron; 10000ug/m’ H K OSHA PEL for Lead: 50ug/m’ I CD OSHA PEL for Manganese: 1000ug/m’ s Q LxJ OSHA PEL for Nicket lOOGug/m" o CD OSHA PEL for Zinc: 5000ug/m^ o I I CD o OJ o I

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NYC-WTC_000219981