Limits of Human Exposure to Radiofrequency Electromagnetic Fields in the Frequency Range from 3 KHZ to 300 GHZ - Safety Code 6

1999
ISBN: 0-662-28032-6
Cat. No.: H46-2/99-237E

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(449K)

Table of Contents

• Preface
• 1. Introduction
  • 1.1 Purposes of the Code
• 2. Maximum Exposure Limits
  • 2.1 RF and Microwave Exposed Workers
    (Including Occupationally Exposed Persons)
    • 2.1.1 Field Strength Limits
    • 2.1.2 Basic Restrictions- Specific Absorption Rate (SAR) Limits
    • 2.1.3 Induced and Contact Current Limits
    • 2.1.4 Peak Field Strength Limit for Pulsed Fields
  • 2.2 Exposure of Persons Not Classed As RFand Microwave Exposed Workers (Including the General Public)
    • 2.2.1 Field Strength Limits
    • 2.2.2 Basic Restrictions- Specific Absorption Rate (SAR) Limits
    • 2.2.3 Induced and Contact Current Limits
    • 2.2.4 Peak Field Strength Limit for Pulsed Fields
  • 2.3 Time Averaging
    • 2.3.1 Frequency 0.003MHz - 15 000 MHz
    • 2.3.2 Frequency 15 000 MHz - 300 000 MHz
  • 2.4 Measurements and Evaluation
    • 2.4.1 Field Measurements-Spatial Averaging
    • 2.4.2 SAR Determination
    • 2.4.3 Induced and Contact Current Measurements
• 3. Siting and Installation
  • 3.1 Basic Principles
  • 3.2 General Recommendations
  • 3.3 RF and Microwave Heating Devices
  • 3.4 Medical Devices and Electromagnetic Interference
  • 3.5 Microwave Ovens
  • 3.6 Radar and Communications Systems
  • 3.7 Electroexplosive Devices
• 4. Safety Procedures for Operators and Maintenance Personnel of RF Devices (RFWorkers)
• 5. Protection of the General Public
• 6. RF Surveys
  • 6.1 RF Survey Procedures
  • 6.2 Records and Recommendations
• 7. Warning Signs
  • 7.1 Design of the Recommended Warning Signs
  • 7.2 Area Demarcation
  • 7.3 Signs for the Labelling of Devices

Appendices

• Appendix I Maximum Exposure Limits for RF Fields - Graphical Representation
• Appendix II Maximum Exposure Duration for Time Periods LessThan 0.1 hand Frequencies Below 15 000MHz
• Appendix III Theoretical Estimation of Exposure Fields
  • A Near-Fieldand Far-Field Zones
  • B Average Power of Pulsed Waves
  • C Scanning Antennas
• Appendix IV Limits of Exposure to Pulsed RF Fields
• Appendix V Measurements and Evaluation
  • A. RF Fields
    • A.1 Basic Characteristics of Survey Meters
    • A.2 Spatial Averaging
  • B. Specific Absorption Rate (SAR)
  • C. Contact and Induced Currents
    • C.1 Contact Current
    • C.2 Induced Current
• Appendix VI X-Radiation
• Appendix VII Rationale for Changes to the 1991 Version of Safety Code 6
• Appendix VIII Definitions
• References