Module 1.0 Introduction

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Module 1.0Introduction
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Obj 1.3 What is environmental technology?

• The application of technology and engineering
  principles to the
• planning,
• design,
• construction,
• and operation
• of the following systems...

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Obj 1.3 Systems?

• Drinking water treatment supply
• Sewage treatment disposal
• Stormwater drainage control
• Solid hazardous waste management
• Air noise pollution control
• General community sanitation

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Obj 1.4 Fundamental Objectives of E.T.?

• Public Health Protection
• to help prevent the transmission of disease among
  humans
• Environmental Health Protection
• to preserve the quality of water, land, air,
  vegetation, and wildlife

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Obj 1.5 Technical Specialties within E.T.?

• hydraulics
• hydrology
• municipal services
• biology
• chemistry
• ecology
• geology...

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Obj 1.6 Pathogens?

• there are many microscopic organisms in the
  environment bacteria protozoa viruses.
• those that are capable of transmitting diseases
  are called pathogenic organisms (i.e. E.coli,
  cryptosporidia)
• or... pathogens

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Obj 1.7 Modes of Disease Transmission...
DIRECT TRANSMISSION
physical contact sneezing droplet spray
pathogens
humans
INDIRECT TRANSMISSION
air-borne dust, aerosol vehicle-borne water,
food vector-borne insects, animals