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EPA Rescinds Once In Always In Rule Under Clean Air Act

On January 25, 2018, EPA announced it is withdrawing, the “Once In, Always In” (OIAI) policy under the Clean Air Act. New EPA guidance allows stationary sources of hazardous air pollutants (HAPs) that are classified as “major sources” to limit their HAP emissions to...

Does An SPCC Plan Expire? When Do I Need A New SPCC Plan?

From time-to-time, Caltha receives inquiries from facilities that believe their Spill Prevention, Control and Countermeasure (SPCC) Plan may have "expired". When Does My SPCC Plan Expire? The SPCC Plan, prepared in accordance with 40 CFR 112, is a "dynamic" document,...