CE 3231 - Introduction to Environmental Engineering and Science

Readings for This Class:

The Pollution Within

Ohio Northern University

Introduction Chemistry, Microbiology & Material Balance Water & Air Pollution Env Risk Management

Indoor Air PollutionWe spend most of our day inside. Therefore, the quality of our indoor air has a greater impact on our health than outside air. This lecture introduces students to indoor air pollution.

Air Pollution Control Technologies

Lecture 29Indoor Air Quality

(Air Quality III)

Indoor Air Quality

Topics Covered Include: Discussion of common pollutants of concern Importance of Ventilation Design options for healthier environments

Global vs US

Globally, indoor air pollution is a major problem

- unsanitary conditions- smoke from indoor open

fire cooking- lack of controls in factory

environments

Global vs US

Domestically, indoor air pollution is also a challenge

- chemical usage- insulated spaces- mold

BUT…conditions aregenerally pretty good

Earth911.com

Who Regulates?

Workplace – Occupational Safety and Health Administration

thetidalwaveofdifference.com

Who Regulates?

Residential – largely unregulated (departments of health)

http://architecture.about.com/od/20thcenturytrends/tp/midcentury-American-Homes.htm

Who Regulates?

However, what comes in is generally regulated….

http://www.celsias.com/article/study-finds-green-labels-consumer-products-mislead/

Common Pollutants

• Radon• Volatile organic carbons• Asbestos• Respirable particulate matter• Formaldehyde• Carbon monoxide• Tabacco smoke• Pesticides• Mold

Importance of Ventilation

• Houses that do not leak can trap pollutants• Important to circulate air from outside into house• Need for moisture control

http://www.andrews-sykes.ae/ventilation/

The Pollution Within

Gupta Air Quality in Schools

Discuss Reading

Addyston Air Quality in Schools (2 part series)