NYC 9/11 Public Portal Document
Hillmann Environmental Group, LLC
TABLE OF CONTENTS
Section I Executive Summary
I I General .......................................................... .............................................................................1
1.2 Findings . .. .. . . .. .......... ... .. .................. .... ............. ................. ..... .. . ...................................... I
Section 2 Introduction
2.1 General ................................................................................... .................................................... 2
2.2 Sampling Parameters and Methodology.....................................................................................2
1. Temperature and Relative Humidity ............................................................................2
I. Carbon Dioxide .............................................................................. .. .. ........................2
Ill. Carbon Monoxide ........................................................................................................2
IV. Respirable Dust ............................................................................................................2
V. Total Dust . ......................................................................... .......................................... 2
VI. Mercury........................................................................................................................2
VII. Polychlroinated Biphenyls ........... ................................................................................ 2
VIII. Volatile Organic Compounds. .....................................................................................2
IX. Metal Fumes. ............................................................................................................. ..2
X. Dioxins. ................................................................ ........................................................2
Xl. Airborne Asbestos (TEM)..................._ _.................................... ........... ..................... 2
XII. Fungal Spore Samples .................................................................................................2
Section 3 Results
3.1 'Temperature, Relative Humidity, Carbon Dioxide, Carbon Monoxide, Respirable Dust, Total
Dust, Mercury, Polychlorinated Biphenyls, and Volatile Organic Compounds ..............................5
3.2 Outside Measurements .................................................... _......................................................1 1
3.3 Metal Fumes .... ....................................................................... ......... .......................................12
3.4 Dioxins .................................................................................... ................................................. 18
3.5 Fungal Spore Samples ........................................ ............................................................. ........ 19
3.6 Airborne Asbestos (TEM) .. ..................................................................................................... 19
Section 4 Discussion
4. 1 Tcmperature ............................................................................ ................................................. 22
4.2 Relative Humidity ....................................................................................................................22
4.3 Carbon Dioxide ........................................................................................................................ 22
4.4 Carbon Monoxide............... ...................................................................................................... 22
4.5 Respirable Dust ........................................................................................................................22
4.6 Total Dust ................................................................................................................................. 22
4.7 Mercury ....................................................................................................................................23
4.8 Polychlorinated Biphenyls .................._.._........ ......__................_........_.................................23
4.9 Volatile Organic Compounds............................ ............................................ ...........................23
4. 10 Metal Fumes ......................................................................................... .................................. 23
4.10 Dioxins ......... ......................................................................................................... ................24
4.11 Fungal Spore Samples ............................................................................................................24
4.12 Airborne Asbestos (TEM) ..................................................... .................................................24
NYC-WTC 000126260
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