SMOKE

Sparse Matrix Operator Kernel Emissions (SMOKE) is primarily an emissions processing system designed to create gridded, speciated, hourly emissions for input into a variety of air quality models.

SEP

Supplemental Environmental Project (SEPs) are a means by which penalties for environmental violations may be mitigated by directing funds toward environmentally beneficial projects.

RTP

The Regional Transportation Plans (RTP) is a long-term blueprint of a region’s transportation system.

RTD

Regional Transportation District (RTD) is a bus and rail transit system  in the Denver, Colorado, metropolitan area.

RRF

Relative Response Factor (RRF) is an analytical parameter used in chromatographic procedures to control impurities/degradants in drug substance and drug product. RRF is used to correct the difference in detector response of impurities with analyte peak.