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Asbestos air quality monitoring report, 115 Broadway

Machine-extracted title · confidence 95%

Consulting and testing services report on asbestos air quality monitoring at various floors of 115 Broadway in September 2001.

NYC-WTC_000132877–000132945

Folder label: “115 BROADWAY Block: 50 Lot: 1 BIN: 1001003 United States Realty Building

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NYC 9/11 Public Portal Document

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Executive Summary

At the request of Mr. Kevin Hoey agent for CAPITAL PROPERTIES, Consulting & Testing Services, Inc. (CTSI) performed environmental testing at 115 Broadway. The purpose of the sampling was to evaluate the building's air quality and dust composition subsequent to the World Trade Center tragedy.

CTSI was requested to perform dust sampling of the subject building as well as performing air monitoring during the dustesn u

Dust samples were collected on September 18``', 2001. Air samples were collected on st, September 20th`, 2001 and continued to October 1 2001.

• Air samples were collected as part of building air quality/dust control evaluation and during clean up processes from the following floors: Basement, ;Main Lobby, 14th, Trinity Level, Ground, 2 nd, 3rd, 4th, 5th, 6`h, 7th, 8th, 9th, 10th, I I th, 12th, 13th, 15th, 16th, l7'h, 18th, 19th, 20th, 21", 22"d and rooftop. All samples collected were transported to an independent certified laboratory, EMSL Analytical, for analysis. Samples were analyzed utilizing Phase Contrast Microscopy (PCM) Methodology (Fiber Analysis of Air Samples via NIOSH 7400, Revision 3, Issue 2, 8115/94).

th Air samples collected at conclusion of clean up phases on September 27th, 28 and October 1s` were within New York State and City clearance criteria of <0.01 f/cc (fibers per cubic centimeter). Total of one hundred seventy four (174) samples were collected during clean up phases. PIease see Section VI for locations and results.

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NYC-WTC_000132880Source: NYC Law Department, mirrored locally

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