On April 1 2015 Louisiana submitted its State SIP for St Bernard Parish Sulfur Dioxide:
We need a State SIP with appropriate modeling and permit limits that ensures a violation cannot occur. It is not enough just to now have a promise for reduced production rates, a higher stack, and a monitor without violations. We need federally enforceable limits to protect the air we are forced to breathe.
Basically, it seems EPA is concerned with what was excluded from the modeling used for the SIP and what was excluded from emissions data for Rain CII calcining plant. Based on EPA's comments, LDEQ did not include: