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  <p>This 8 week Air Quality Class was created for the Cypress Hills Air Quality initiative "CHAQ", with support from the <a href="http://www.epa.gov/aboutepa/region2.html">United States Environmental Protection Agency</a>'s program "Citizen Science ? Community Involvement Today and in the Future". This project was a collaboration with the <a href="cypresshills.org">Cypress Hills Local Development Corporation</a>. <a href="/people/jmsaavedra">Joe Saavedra</a> and <a href="/people/liz">Liz Barry</a> are the Public Laboratory facilitators. <a href="/people/georgiabullen">Georgia Bullen</a>, <a href="/people/yeb">Yael</a>, and <a href="people/jlipshin">Jason Lipshin</a> are involved from MIT. 
</p>
<div style="margin-left:auto;
margin-right:auto;"><a href="https://www.flickr.com/photos/lizbarry/8578474806/" title="CHAQ-logo by lizbarry, on Flickr"><img src="https://farm9.staticflickr.com/8511/8578474806_a052ef73f8.jpg" width="500" height="435" alt="CHAQ-logo"></a>
<div>

<div style="width: 200px; margin: 2em auto;">
<a class="btn btn-block btn-large" href="/wiki/air-quality-class-1">Class 1</a>
<a class="btn btn-block btn-large" href="/wiki/air-quality-class-2">Class 2</a>
<a class="btn btn-block btn-large" href="/wiki/air-quality-class-3">Class 3</a>
<a class="btn btn-block btn-large" href="/wiki/air-quality-class-4">Class 4</a>
<a class="btn btn-block btn-large" href="/wiki/air-quality-class-5">Class 5</a>
<a class="btn btn-block btn-large disabled">Class 6</a>
<a class="btn btn-block btn-large" href="/wiki/air-quality-class-7">Class 7</a>
</div>