SLIDE 1
Terms
- S02-sulfur dioxide is a gas that is a respiratory irritant at high concentrations.
- S02 Standard-The existing standard, established in 2010, is 75 parts per billion
based on the 3-year average of the 99th percentile of the yearly distribution of 1- hour daily maximum concentrations.
- S02 exceedance-a one hour average of > 75 PPB per 24-hour period
- Desulfurization-the process by which sulfur is removed from the coke oven gas
stream
- Hot idling means that the batteries that make coke remain hot but are not
producing.
- Air Quality Episode-an unexpected event such as a major breakdown causing air
quality issues
- Poor dispersion: when air near the ground is cold with warmer air above acting as