EPA review letter, 133-135 Greenwich Street

NYC 9/11 Public Portal Document

.4a be QerC-errled Section 1-41(c) During abatement air sampling inside the work area i r sV e && O 0 Section 1-41(d) No post abatement clearance air monitoring Section 1-81(j) No pre-cleaning of the work area(s) Section 1-81(m) Partial plasticization of the work area(s) Section 1-82(a) & 1-83(a) Remote decontamination facilities Section 1-91 No negative air Section 1-102(b) Not to fully saturate ACRM with amended water 1A se o F a •~• nd Section 1-112(d) & 1-112(e) No 1' & 2 settling period and no 2nd & 3rd cleaning

We proposed to use Attachment FR - Procedures for use of Foam or Similar Viscous Liquid in Removal of Asbestos Containing Roofing (ACRM) in New York City ac~~i on In-place ACM has been identified as follows: vi c f Q wt Q_w#S seA S ('R cG O-rra 1. Roof Membrane — 350 sf 5- b 2e c( e nk S 2. Roof Flashing —100 sf 2 r 3. Bulkhead Tar — 20 sf a4 fkt H $ - c v ^ ` -Y ~

We are requesting a variance from the following subsections for the coping stone caulk:

Section 1-41(c) During abatement air sampling inside the work area Section 1-41(d) No post abatement clearance air monitoring Section 1-106(b) To use partial tents

1. Coping Stone Caulk —1 sf

We proposed to use Attachment IC — ACM caulking material from the top of the parapet wall(s) on the roof.

We are requesting a variance from the following subsections for the exterior window caulk:

Section 1-41(c) During abatement air sampling inside the work area Section 1-41(d) No post abatement clearance air monitoring Section 1-106(b) To use partial tents

1. Window Caulk — 9 sf (210 lf)

We proposed to use Attachment EC — ACM caulking materials from building facades.

These materials will be abated last in the decontamination sequence. For detailed information on the asbestos survey conducted, please refer to the Airtek Asbestos Survey Report dated May 31, 2005 (Attached).

Utilities - General:

Utility service is currently cut off to the building. All electricity and water required for the work will be drawn from sources outside the building.

NYC-WTC 000134222