Page 9 - Industrial Ventilation Design Guidebook

Vili CONTENTS

6.1.3 Combination of Target Levels and Design Methodology 359
References 362
6.2 Occupational Exposure Limit Values 362
6.2.1 Introduction 362
6.2.2 Setting OELs 364
6.2.3 Types of OELs 365
6.2.4 Assessment of Exposure to Chemical Agents 368
Bibliography 373
6.3 Target Values for Thermal Factors: An Overview
of International Standards 373
6.3.1 Introduction 373
6.3.2 The Thermal Environment 374
6.3.3 Moderate Thermal Environments 376
6.3.4 Hot Environments 382
6.3.5 Cold Environments 385
6.3.6 Supporting Standards 388
6.3.7 Measurements on Individuals 392
6.3.8 Other and Future Standards 395
6.3.9 Conclusion 395
6.3.10 Examples 395
References 395
6.4 Target Levels for Industrial Air Quality 397
6.4.7 Introduction 397
6.4.2 Grounds for Assessing TLs for Industrial Air Quality 399
6.4.3 Target Levels for Common Contaminants 402
6.4.4 Use of TLs 404
References 405
6.5 Requirements Due to Building Construction, Equipment, Processes,
Type of Production Premises 405
6.5.1 Introduction 405
6.5.2 Ventilation Parameters That Influence
the Building Construction and Process Design 407
6.5.3 Building and Process Parameters that Influence
the Ventilation System 410
6.5.4 Summary 413
References 413

7 Principles of Air and Contaminant Movement Inside
and Around Buildings 415

7.1 Introduction 417
7.2 Contaminant Sources 418
7.2.1 Classification 418
7.2.2 Nonbuoyant Contaminant Sources 420
7.2.3 Emission from Heat Sources 423
7.2.4 Sources of Dust 426