NYC-WTC_000233286

NYC 9/11 Public Portal Document

(i) Removal of Gross Contamination. Before leaving the regulated abatement work area, all persons shall remove gross contamination from the outside of respirators and protective clothing by HEPA- vacuuming, or wet cleaning.

(ii) Exit. All persons shall exit the regulated abatement work area through the personal decontamination system enclosure, or through an airlock when used with an approved remote decontamination unit, except in case of an emergency, when an emergency exit or other means of escape may be used.

(iii) Regulated Abatement Work Area Exit Procedures Utilizing Remote Decontamination Systems). If at any time a worker has to travel through an uncontaminated area to access the personal or waste decontamination enclosure system, the worker shall HEPA- vacuum and/or wet wipe his/her outer protective clothing while in the regulated abatement work area, then proceed into the airlock where he/she shall remove his/her outer clothing and don a clean set of protective clothing. He/she may then proceed to the personal or waste decontamination enclosure along a designated pathway. The walkway from the regulated abatement work area to the decontamination system shall be cordoned off to delineate it from public areas.

(iv) Removal of Personal Protective Equipment. Workers shall proceed to the equipment room where coveralls, head covering, foot covering and gloves shall be removed. Disposable clothing shall be deposited into labeled containers for disposal. Reusable contaminated clothing, footwear, head covering and gloves shall be stored in the equipment room when not being used in the regulated abatement work area. Respirators shall not be removed during this process.

(V) Showering. Still wearing respirators, persons shall proceed to the shower area, clean the outside of the respirator and the exposed face area under running water prior to removal of the respirator, and fully and vigorously shower and shampoo to remove residual asbestos contamination. Respirators shall be washed thoroughly with soap and water. Some types of respirators shall require slight modifications to these procedures. An airline respirator with a HEPA-filtered disconnect protection shall be disconnected in the equipment room and worn into the shower. A powered air-purifying respirator facepiece shall be disconnected from the filter/power pack assembly prior to entering the shower.

(vi) Clean Room. After showering and drying, all persons shall proceed to the clean room and shall don either street clothing if

12 NYCRR56 Subparts, Page 75

CITY_21MC100_0 03235095

NYC-WTC_000233361