Final notice letter, Sept 2002

NYC 9/11 Public Portal Document 10/31/02 15:51 FAX 516 466 4952 YL REALTY (~J017 _ -- —~—~ X18 595 364$ P. 09 NYCDEP ASB/LD TRU OCT-29- 202 14 s 53

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• s d protocol for cleathn8 root$co12IaTr3ned Applicadw: This Sao utilizes ) with asbestos containing material (ACS• etity/acciS dot etas, All abatement will be 1. The entire root' shall be caidered the westarea forDEP ceet fled workers. braved by Z YSDOL licensed ocnactor5 with NYC visible debris, the clean-up areas shall be Foraanjavel or sta®e covered roofs with localized accumulations of wed ("specified area") by DEP.

minded in the specified roof area for clean-up. For avellstons coveted roof Faces, he entire roof shall be end waded. Wafer null be collected, The gmveVaone shall be taken to a clams-up stagingasea oe the goof filtered, and disclwged into the tsi&sewcr as applicable. stepff pads located on the roof lately adjoining the roof 2. A cttangin$ areacoealsng oftwo adjacent -o pad t3halt be adjacent to the entaanedevit. Tills area stall ceoaist of a clam pad and a change pad- The clears The change pad shall be building interior access way (or at the point of entry to the roof for exteaio a es). consist of two layers of 10- adjacent to the comnanniznated roof ernes. Each pad (change pad end clean pad) shall facilitate cbantg₹ng and roil reinforced plastic on the of/access way surface and shall be large enough to devout motion as described herein. A mnnimum +of+t' x 4' is econ,mod, though the exact configur4tiOn will be speck to the roof. '. directly onto the 3. Workers shall fast step from the building interior (or exterior at the point of entry to the roof) plastic booties, clean pad. On the clam pad, each worker shall be double sulred with disposable coveralls, shall be wet gloves, and bead covenngs. Rubber boots may be used instead of the plastic booties. The boots wiped and HPA vaouunned prior- to leaving the roof. Each wor r shall wear a r sariraum of a halfface air- purifying respirator equipped with HEM carthddges.

4. All netretions at the roof withal 10 feet of the speed roof area included in the almm-up shall be cleaned by wet odsl(EPA vacu* n and sealed with 6-m-1 polyethylene sheeting. entrarace/exit. 5. Roof cleanup shall bed at the enbanasdexit and proceed in a path working away from the Water dell be the primary engiaeexlog control to mtrdrni a the potential for fiber release_

mops, rags, 6. Roof sw'faees shall be wetted and then wet cleaved using wet wiping techniques with water, brushes, etc. MA vavuurtt g may also be used as alteroatave to or in combir ation with wet clog.

7. Tltrougho t the proceds, all personnel entering or existing the roof squall observe the personal decorn inadoc prices. It ttenhon shall be paid jo limiting mmecesaary walking on or disturbance of nnaterial on the roof. These personal deconterthiatiOn procedwcs shall be strictly adhered to, to order to minimize the potential for spreading eontmt'iiaton to the interior of the buildings.

S. Solid nonporous objects, such as mil patio itwe, plant potters, and plastic finitwc cushier, shall be wet wiped with damp raga. Win objet such as decking be HEM vacuumed, wet wiped., and lightly brushed with a bristle bosh uti1iàng simul us misting and Iocsl IIPA exhaust Woven materials shall either be disposed as ACAS or begged and removed off-site fir proper laundering in accordance with 29 CFR 1901. 1001. Potted plants with visual contamination should be disposed as ACM waste unless the ower requests dec n iatioa. Potted plates win be repeatedly rinsed, and provision sbai be made to vwteh the rucof water (i.e. into ACM bap or by using rags and MP'A wet-vacuwos).

9. After completion of the above, the specified area roof shall be amrcfizlly washed- Page 3 05/O3/02

NYC-WTC 000134070