Publisher:
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[Washington, D.C.?] : U.S. Environmental Protection Agency, Office of Transportation and Air Quality, [2009] |
Phys. Desc.:
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1 online resource (5 pages)
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Digital Content
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Click for online content. |
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Publisher:
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Washington, United States Environmental Protection Agency, Office of Air and Waste Management, [1972]-[1978] |
Phys. Desc.:
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1 online resource (various pagings) : illustrations
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Digital Content
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Click for online content. |
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Publisher:
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[Washington, D.C.] : U.S. Environmental Protection Agency, Office of Transportation and Air Quality, Assessment and Standards Division, 2004. |
Edition:
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Revised April 2004. |
Phys. Desc.:
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1 online resource ([13] pages) : charts
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Digital Content
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Click for online content. |
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Publisher:
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[Washington, D.C : U.S. Environmental Protection Agency, Office of Transportation and Air Quality, 2006] |
Phys. Desc.:
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1 online resource ([2] pages) : color illustrations
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Digital Content
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Click for online content. |
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Publisher:
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[Washington, D.C.] : United States Environmental Protection Agency, 2004. |
Phys. Desc.:
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1 online resource (2 pages) : illustrations
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Digital Content
|
Click for online content. |
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