Tag: SSM

Air pollution

EPA’s NESHAP Proposal Includes No Emission Changes for HCl

The EPA is proposing minor amendments to its National Emission Standards for Hazardous Air Pollutants (NESHAP) for the hydrochloric acid (HCl) production source category. Required under Section 112 of the Clean Air Act, the Agency’s residual risk and technology review (RTR) would find, first, that the 2003 NESHAP for the source category is protective of […]

Shutdown of the SSM exemption

What is a SIP and why is it important in this case? A state implementation plan (SIP) is a plan prepared by each state detailing how the state will attain and maintain compliance with each NAAQS.  SIPs contain enforceable emissions limits needed to comply with the CAA and prohibit emissions that would cause or contribute […]

Shutdown of the SSM exemption

What is a SIP and why is it important in this case? A state implementation plan (SIP) is a plan prepared by each state detailing how the state will attain and maintain compliance with each NAAQS.  SIPs contain enforceable emissions limits needed to comply with the CAA and prohibit emissions that would cause or contribute […]