[Title 40 CFR B]
[Code of Federal Regulations (annual edition) - July 1, 2002 Edition]
[Title 40 - PROTECTION OF ENVIRONMENT]
[Chapter Vii - ENVIRONMENTAL PROTECTION AGENCY AND DEPARTMENT OF DEFENSE;]
[Part 1700 - UNIFORM NATIONAL DISCHARGE STANDARDS FOR VESSELS OF THE ARMED FORCES]
[Subpart B - Discharge Determinations]
[From the U.S. Government Printing Office]


40PROTECTION OF ENVIRONMENT282002-07-012002-07-01falseBSubpart BPROTECTION OF ENVIRONMENTENVIRONMENTAL PROTECTION AGENCY AND DEPARTMENT OF DEFENSE;UNIFORM NATIONAL DISCHARGE STANDARDS FOR VESSELS OF THE ARMED FORCES
                   Subpart B--Discharge Determinations



Sec. 1700.4  Discharges requiring control.

    For the following discharges incidental to the normal operation of 
Armed Forces vessels, the Administrator and the Secretary have 
determined that it is reasonable and practicable to require use of a 
Marine Pollution Control Device for at least one class of vessel to 
mitigate adverse impacts on the marine environment:
    (a) Aqueous Film-Forming Foam: the firefighting foam and seawater 
mixture discharged during training, testing, or maintenance operations.
    (b) Catapult Water Brake Tank & Post-Launch Retraction Exhaust: the 
oily water skimmed from the water tank used to stop the forward motion 
of an aircraft carrier catapult, and the condensed steam discharged when 
the catapult is retracted.
    (c) Chain Locker Effluent: the accumulated precipitation and 
seawater that is emptied from the compartment used to store the vessel's 
anchor chain.
    (d) Clean Ballast: the seawater taken into, and discharged from, 
dedicated ballast tanks to maintain the stability of the vessel and to 
adjust the buoyancy of submarines.
    (e) Compensated Fuel Ballast: the seawater taken into, and 
discharged from, ballast tanks designed to hold both ballast water and 
fuel to maintain the stability of the vessel.
    (f) Controllable Pitch Propeller Hydraulic Fluid: the hydraulic 
fluid that discharges into the surrounding seawater from propeller seals 
as part of normal operation, and the hydraulic fluid released during 
routine maintenance of the propellers.

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    (g) Deck Runoff: the precipitation, washdowns, and seawater falling 
on the weather deck of a vessel and discharged overboard through deck 
openings.
    (h) Dirty Ballast: the seawater taken into, and discharged from, 
empty fuel tanks to maintain the stability of the vessel.
    (i) Distillation and Reverse Osmosis Brine: the concentrated 
seawater (brine) produced as a byproduct of the processes used to 
generate freshwater from seawater.
    (j) Elevator Pit Effluent: the liquid that accumulates in, and is 
discharged from, the sumps of elevator wells on vessels.
    (k) Firemain Systems: the seawater pumped through the firemain 
system for firemain testing, maintenance, and training, and to supply 
water for the operation of certain vessel systems.
    (l) Gas Turbine Water Wash: the water released from washing gas 
turbine components.
    (m) Graywater: galley, bath, and shower water, as well as wastewater 
from lavatory sinks, laundry, interior deck drains, water fountains, and 
shop sinks.
    (n) Hull Coating Leachate: the constituents that leach, dissolve, 
ablate, or erode from the paint on the hull into the surrounding 
seawater.
    (o) Motor Gasoline and Compensating Discharge: the seawater taken 
into, and discharged from, motor gasoline tanks to eliminate free space 
where vapors could accumulate.
    (p) Non-Oily machinery wastewater: the combined wastewater from the 
operation of distilling plants, water chillers, valve packings, water 
piping, low- and high-pressure air compressors, and propulsion engine 
jacket coolers.
    (q) Photographic Laboratory Drains: the laboratory wastewater 
resulting from processing of photographic film.
    (r) Seawater Cooling Overboard Discharge: the discharge of seawater 
from a dedicated system that provides noncontact cooling water for other 
vessel systems.
    (s) Seawater Piping Biofouling Prevention: the discharge of seawater 
containing additives used to prevent the growth and attachment of 
biofouling organisms in dedicated seawater cooling systems on selected 
vessels.
    (t) Small Boat Engine Wet Exhaust: the seawater that is mixed and 
discharged with small boat propulsion engine exhaust to cool the exhaust 
and quiet the engine.
    (u) Sonar Dome Discharge: the leaching of antifoulant materials into 
the surrounding seawater and the release of seawater or freshwater 
retained within the sonar dome.
    (v) Submarine Bilgewater: the wastewater from a variety of sources 
that accumulates in the lowest part of the submarine (i.e., bilge).
    (w) Surface Vessel Bilgewater/Oil-Water Separator Effluent: the 
wastewater from a variety of sources that accumulates in the lowest part 
of the vessel (the bilge), and the effluent produced when the wastewater 
is processed by an oil water separator.
    (x) Underwater Ship Husbandry: the materials discharged during the 
inspection, maintenance, cleaning, and repair of hulls performed while 
the vessel is waterborne.
    (y) Welldeck Discharges: the water that accumulates from seawater 
flooding of the docking well (welldeck) of a vessel used to transport, 
load, and unload amphibious vessels, and from maintenance and freshwater 
washings of the welldeck and equipment and vessels stored in the 
welldeck.



Sec. 1700.5  Discharges not requiring control.

    For the following discharges incidental to the normal operation of 
Armed Forces vessels, the Administrator and the Secretary have 
determined that it is not reasonable or practicable to require use of a 
Marine Pollution Control Device to mitigate adverse impacts on the 
marine environment:
    (a) Boiler Blowdown: the water and steam discharged when a steam 
boiler is blown down, or when a steam safety valve is tested.
    (b) Catapult Wet Accumulator Discharge: the water discharged from a 
catapult wet accumulator, which stores a steam/water mixture for 
launching aircraft from an aircraft carrier.
    (c) Cathodic Protection: the constituents released into surrounding 
water from sacrificial anode or impressed

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current cathodic hull corrosion protection systems.
    (d) Freshwater Lay-up: the potable water that is discharged from the 
seawater cooling system while the vessel is in port, and the cooling 
system is in lay-up mode (a standby mode where seawater in the system is 
replaced with potable water for corrosion protection).
    (e) Mine Countermeasures Equipment Lubrication: the constituents 
released into the surrounding seawater by erosion or dissolution from 
lubricated mine countermeasures equipment when the equipment is deployed 
and towed.
    (f) Portable Damage Control Drain Pump Discharge: the seawater 
pumped through the portable damage control drain pump and discharged 
overboard during testing, maintenance, and training activities.
    (g) Portable Damage Control Drain Pump Wet Exhaust: the seawater 
mixed and discharged with portable damage control drain pump exhaust to 
cool the exhaust and quiet the engine.
    (h) Refrigeration and Air Conditioning Condensate: the drainage of 
condensed moisture from air conditioning units, refrigerators, freezers, 
and refrigerated spaces.
    (i) Rudder Bearing Lubrication: the oil or grease released by the 
erosion or dissolution from lubricated bearings that support the rudder 
and allow it to turn freely.
    (j) Steam Condensate: the condensed steam discharged from a vessel 
in port, where the steam originates from port facilities.
    (k) Stern Tube Seals and Underwater Bearing Lubrication: the 
seawater pumped through stern tube seals and underwater bearings to 
lubricate and cool them during normal operation.
    (l) Submarine Acoustic Countermeasures Launcher Discharge: the 
seawater that is mixed with acoustic countermeasure device propulsion 
gas following a countermeasure launch that is then exchanged with 
surrounding seawater, or partially drained when the launch assembly is 
removed from the submarine for maintenance.
    (m) Submarine Emergency Diesel Engine Wet Exhaust: the seawater that 
is mixed and discharged with submarine emergency diesel engine exhaust 
to cool the exhaust and quiet the engine.
    (n) Submarine Outboard Equipment Grease and External Hydraulics: the 
grease released into the surrounding seawater by erosion or dissolution 
from submarine equipment exposed to seawater.