Environmental assessment report, 100 Church Street, April 2002

NYC 9/11 Public Portal Document

TABLE OF CONTENTS

Section Page

1.0 OVERVIEW OF PROJECT AND REPORT .1 1.1 Introduction ....... ........ .1 1.2 Re-Occupancy Sampling .1 1.3 Report Layout................. ,3

2.0 PRIMARY FINDINGS 4

3.0 DECRIPTION OF TASKS PERFORMED BY TRC ,5 3.1 Review of Building Systems...................... . 5 3.2 Review of Building Management Response 6 3.3 Visual Inspection of NYCLD Space............ 6 3.4 Dust Sampling and Analysis........ ............... 7 3.5 Air Sampling and Analysis.......................... 8 3.6 Outside Air Quality Data.............................. 9

4.0 RESULTS OF WORK PERFORMED BY TRC .10 4.1 Evaluation of Building Systems................................... .10 4.2 Evaluation of Building Management Response......... .11 4.3 Results of Visual Inspection of NYCLD Space...... . .12 4.4 Results of Surface Dust Sampling and Analysis........ .12 4.4.1 Asbestos Surface Dust Sampling and Results .12 4.4.2 PCBs Sampling and Results............................. .16 4.4.3 Lead Sampling and Results.............................. .17 4.4.4 Total Particulate Matter Samples and Results .18 4.4.5 Dioxin Sampling and Results.......................... .19 4.5 Results of Air Sampling and Analysis........................ .20 4.5.1 Asbestos Sampling and Results...................... .20 4.5.2 Metals Sampling and Results........................... .22 4.5.3 VOC S ampling and Results............................ .22 4.5.4 PAHs ........................................ ...................... .22 4.5.5 Polychlorinated Biphenyls................... ........... .23 4.5.6 Mercury............................................................. .23 4.5.7 Respirable Particulates...... ......................... ..... .23 4.5.8 Respirable Silica Quartz............................. .23 4.5.9 Dioxins.............................................................. .23 4.5.10 Biological.......................................................... .24 4.5.11 Fibers ............................................................... .24 4.5.12 Ethanolamine.......................................... ......... .24

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CITY_21 MC100_014586907

NYC-WTC_000176248