Does 'However, SCR installations designed to comply with the NOX SIP Call are generally already into the installation process or, at a minimum, into the engineering phase of the project.' neither support nor refute 'SCR installs have NOX SIP to comply with.', instead existing independently?
However, SCR installations designed to comply with the NOX SIP Call are generally already into the installation process or, at a minimum, into the engineering phase of the project.###SCR installs have NOX SIP to comply with.