Detailed Instructions: Given a text, write a compressed version of it in a single sentence.
Q: An SCR system for a coal-fired boiler may have a negligible impact on the footprint of the boiler. This is because the SCR is frequently installed in an elevated position near the boiler and well off of the ground.
A:
An SCR system for a boiler may have an impact on the footprint of the boiler. This is because the SCR is installed near the boiler and well off of the ground.