Environmental Protection Agency
Environmental Protection Agency United States
Our mission is to protect human health and the environment. Homepage
Sensors
Research
Personal Exposure Monitoring
Supplementing Existing Monitoring
Source Identification and Characterization
Education
Information/Awareness
Air Measurement Technologies
Traditional
Expensive instruments
Specialized training required
Large physical footprint
Large power draw
Low Cost
Stationary / Mobile
Public demand
More personalized information
Experimental
Do It Yourself
Education/Outreach
Low Cost
Measurements
Desirable Direction
Lower Cost Systems
Higher Spatial Resolution
Sensor Applications
Stationary Mode
Source Fence line
Community measurements
e.g.
Multipollutant sensor stations in near road
Community setting
Mobile Mode
Personal monitoring
Community group monitoring
Mapping spatial trends
Education Outreach
EPA ORD’s particle sensor kit
Instrumented kits measuring VOCs
Hacking fiber optic flowers to light up based on CO2 sensor readings (EPA ORD)
Additional Factors
Reliability of the manufacturing
Many are produced in batches
Data communications
Ease of operation
Power draw
Lifetime of sensor
Some likely to fail within 1 year
Before Collecting
Basics
Purpose
Government - School - Company Sandbox Learning Project
?
Number of Pollutants
Monitor
What sensor?
How often data collected?
Calibration
Certified Entity
Collocation
Additional data?
Noise
Temperature
Location
Where?
Moving /Stationary
Indoor / Outdoor
Other Sources
Industry
Construction
Wheather Conditions
Data Analysis
Evaluation of Emerging Air Pollution Sensor Performance
The US EPA has focused a majority of its attention on sensors costing < $2,500.00 as it is believed such a cost would be at the upper limit to that which citizen scientists, as well as many others might be able to afford.
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