WTC Daily Report Memo, Oct 23, 2001

NYC 9/11 Public Portal Document 24 2001 07:46 P. 02

' ' ■ U.S. Department of Labor Occupational Safety and Health Administration 201 VaricK Street Room 670 New YorK, New York IOC 14 Tel: {212)337-2373 Fax:(212)337-2371 OSHA Website Address: ritip;,7www.osha.gov

October 23, 2001

Kelly R, McKinney, P.E. x\ssociare Commissioner Bureau of Regulatoty and Environmental Health Services NYC Department of Health OEM Operations Center, Pier 92 New York, NY 10019 ■‘J"-,

Dear Commissioner McKinney:

OSHA recommends that the required Respirator)' Protection Zone (RPZ) be delineated as follows; 1, Working in, on, or over the rubble pile and 2. During the following task specific operations (cutting steel & loading/unloading trucks with dry debris) anywhere in the controbzone and at the marina loading areas.

Note: This is more protective in some aspects, as our recommendation would cover task specific work in the Winter Garden, Amex, & other buildings on the West side which are currently outside the Green Line & the new Restricted Area.

OSHA worker personal sampling data (over 1000 samples) in, on, over & around the nibble pile & for task specific operations supports this change in usage requirement. In addition, we feel it is inadvisable to require usage where the risk is not established as respirators can interfere with communication, reduce visability, & create a cardio-pulmonary burden.

We continue to support required use in the KPZ & for the task specific operations of a half-mask facepiece with triple combo cartridges (PlOO/acid gas/organic vapor).

Sincerely,

Patricia K. Clark- Regional Administrator

NYC-WTC_00b 154489