ENVS 2256 Lecture Notes - Lecture 34: National Ambient Air Quality Standards, New Source Performance Standard, National Emissions Standards For Hazardous Air Pollutants
19 May 2018
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Section 108-109
NAAQS!•
National Ambient Air Quality Standards !◦
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Regulates "Criteria Pollutants"!•
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Standard: allowing for "adequate margin of safety" -> USE THIS PHRASEOLOGY ON THE EXAM!•
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Section 111!
NSPS!•
New Source Performance Standards!◦
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Regulates "stationary sources that cause or contribute significantly to air pollution which may be reasonably •
anticipated to endanger public health or welfare" -> 50 different industry sites!
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Standard: cost and technological feasibility may be considered!•
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Section 112!
NESHAP!•
National Elimination Standards for Hazardous Air Pollutants!◦
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Regulates "air pollutants which may reasonably be anticipated to result in an increase in serious irreversible or •
incapacitating reversible illnesses"!
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Standard: ample margin of safety, (MACT)!•
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Stationary? ---------> Source (Bubble) ------> Criteria Pollutant? ----->
Existing or "Major New or Modified"- !
|$$$$$ |$$$$$|$ $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$|!
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If NOT $$$$ NO (100 tpy)$ $ NOT$ $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$Existing !
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|$$$$$ |$$$$ |$ $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$/ \!
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MOBILE $$$$NO New Regulation$ $$ Title III: NESHAP$$$$$$$$$$$$$$Nonattainment Attainment area!
(regulated under Title II) $ under CAA!
$ $ $ $ $ $ $ $ $ $ $ $ $$$$$$$$$$$$$$$$$$$$$$$$SIPS$$$$$$$$$$$$$$$$$$$$$$$$$SIPS!
$$$$$$$$$$$$$$$$$$RACT (reasonably available)$$$$$$$$$$$$$$$$$$$$$$$$!
$$$$$$$$$$$$$$$$$$$$$$$[lowest standard]!
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-------->$Major New or Modified!
$$$/ $ $ \!
Nonattainment $$$$ Attainment!
SIP SIP!•
if one of the 50 industries if one of the 50 industries!•
NSPS NSPS!◦
NSR (LAER) PSD!•
[highest standard] [middle standard]!•
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what would be the requirements that might apply to difference sources?!•
this is what the chart would tell us!◦
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In AQCR, are any of the 6 criteria
pollutants exceeding the NAAQS?
