NYC-WTC_000231976

NYC 9/11 Public Portal Document

Section 2 - Ambient Air Monitoring Program Revision No.: 0 130 Liberty Street Deconstruction Plan Date: September 7, 2005 Lower Manhattan Development Corporation

TABLE OF CONTENTS

1.0 INTRODUCTION 1-1 1.1 Project Background and Evolution.......................................... 1-1 1.2 Project Purpose and Objectives............................................... 1-2 1.3 Overview of Air Quality Monitoring Programs and Features 1-2 2.0 SAMPLING SITES 2-1 2.1 Network Design..................................... 2-1 2.2 Siting Criteria and Network Operations 2-1 2.3 Locations of Monitoring Stations......... 2-4 3.0 SAMPLING PHASES 3-1 3.1 Background................................................ 3-1 3.2 Phase I - Preparation Phase...................... 3-1 3.3 Phase I - Asbestos and COPC Abatement 3-1 3.4 Phase II - Structural Deconstruction....... 3-2 4.0 TARGET PARAMETERS/COPCs 4-1

5.0 SAMPLING AND ANALYSES METHODOLOGY 5-1 5.1 ]PM10/PM2.5 Monitoring (“Real-Time’7Continuous)............... 5-2 5.1.1 Beta - Attenuation PMio and PM2.5 Monitors (All Sites) 5-2 5.1.2; USEPA Reference Method PMio and PM2.5 Monitors .... 5-3 5.2 Asbestos..................................................................................... 5-3 5.3 1Metals......................................................................................... 5-3 5.4 ]Mercury (Gas/Vapor)................................................................ 5-4 5.5 ]Mercury (Total Elemental)....................................................... 5-4 5.6 ]Respirable Dust and Crystalline Silica.................................... 5-4 5.7 ;Semivolatile Organics............................................................... 5-4 5.7.1 PCDDs/PCDFs and PAHs................................................ 5-4 5.7.2; PCBs.................................................................................. 5.8 Visible Emissions....................................................................... 6.0 SAMPLING FREQUENCY 6-1 6.1 Background........................................................... 6-1 6.2 Phase I - Preparation Phase................................. 6-1 6.3 Phase T - Asbestos and COPC Abatement Phase 6-4 6.4 Phase II - Structural Deconstruction................... 6-5 7.0 METEOROLOGICAL MONITORING 7-1

8.0 ACTION LEVELS AND MITIGATION MEASURES 8-1 8.1 Action Levels 8-1

CITY_DEP_WORBY_CANNATA_SUBP_000057067

NYC-WTC_000231977