COSTS - same as current O&M/ K for testing using the hyperbubble model...
BENEFITS - benefits of preventing a rapid catastrophic event are approximately $xxx,xxx
with xxx,xxx people at risk from..../any benefits are expected to be minimal because everyone
moved out of the floodplain 20 years ago....
ENVIRONMENTAL - failure could result in ____ barrels of toxic chemicals being
spilled..../environmental impacts are minimal because complete failure would only change the
water surface elevation by 3" which is less than the weekly fluctuation....
G-4
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