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Oil
bearing waste water discharges occur in many
types of facilities, in many locations, and
for many reasons. Relatively small but cronic
oil discharges result from routine operations
- engine and parts steam cleaning; regular vehicle
maintenance and wash down; storage tank dike
draining; and intentional hose-downs of loading
racks, fueling islands, and vehicle parking
areas.
Large,
catastrophic spills usually result from human
error and equipment failure associated with
loading and dispensing operations. Fire and
environmental codes require that the surface
on which spills may occur be fully paved,
curbed, and drained so that all spills flow
to an adequately sized drain and oil/water
separator. In most cases, oil and grease discharge
regulations state that "any facility
which discharges a harmful quantity of oil,
or any petroleum product, and the oil enters
a navigable body of water of the United States,
by whatever means, is liable for significant
penalties for clean-up costs and ecological
damage."
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