B zone definition
B zone means areas between limits of the 100-year flood and 500-year flood; or certain areas subject to 100-year flooding with average depths less than one foot or where the contributing drainage area is less than one square mile.
B zone means the deeper groundwater layer that underlies the Facility and adjacent
B zone means certain areas subject to the "base flood" with contributing drainage areas of more than 100 acres and less than one square mile and all pothole areas. Term has been deemed obsolete by FEMA and replaced by X zone.
Examples of B zone in a sentence
The company is currently pumping and treating contaminated groundwater in three groundwater zones, the perched zone, the "A" zone and the "B" zone.
Other vehicles that enter the Columbia (Tram) Lot to stage for pickup/drop-offs are encouraged to first utilize the two B zone lanes and the two A/B zone lanes closest to the road whenever possible .
C zone production replaced the final B zone production in 1988, and CX production was delayed until 1990, owing to the slightly greater stripping requirement to reach ore.