Ozone and nitrogen deposition from Colorado’s Craig powerstation. NOx from Craig. The Craig powerstation is the largest uncontrolled NOx source in the state (~18k tons/ yr ) NPS is lobbying EPA for stricter controls (i.e., SCR on all three boilers) What is the impact in terms of . Ozone
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Ozone and nitrogen deposition from Colorado’s Craig powerstation
NOx from Craig
Regional N dep from Craig
ROMO N dep from Craig
Peak ozone impacts from Craig
Ozone from Craig at Flat Tops WA
VOC vs. NOx from OMI
HCHO and NO2 can be detected from the OMI satellite, and provide ‘indicator species’ to help assess whether a region is VOC or NOx limited.
HCHO/NO2 > 1
Suggests NOx limited
(Duncan et al., 2010)
ROMO nitrate from Craig