February 2003
On February 14, 2003, EPA's Administrator signed a final rule to establish
wastewater controls for the Metal Products & Machinery (MP&M)
industrial category. The MP&M regulation applies to about
2,400 facilities that generate oily wastewater. The rule establishes
technology-based effluent limitations and new source performance
standards for wastewater discharges from new and existing facilities
that manufacture, rebuild, or maintain finished metal products,
parts, or machines.
To what facilities does this rule apply?
In addition to some government facilities, the final rule sets
performance standards for facilities in these industrial sectors:
- Aerospace
- Aircraft
- Bus and Truck
- Electronic Equipment
- Hardware
- Household Equipment |
- Instruments
- Mobile Industrial Equipment
- Motor Vehicle
- Office Machine
- Ordnance
- Precious Metals and Jewelry |
- Railroad
- Ships and Boats
- Stationary Industrial Equipment
- Miscellaneous Metal Products |
Examples of federal, state, and local government facilities that
fall under this rule are a town that operates its own bus, truck,
and/or snow removal equipment maintenance facility or a U.S. military
base.
What does the MP&M rule do?
EPA is establishing limitations and standards only for facilities
that directly discharge wastewaters from oily operations in the
Oily Wastes subcategory. EPA is establishing daily maximum limits
for two pollutants, oil and grease (as hexane extractable material)
and total suspended solids, based on the best practicable control
technology: (1) in-process flow control and pollution prevention;
and (2) oil-water separation by chemical emulsion breaking and
skimming. These limitations will be incorporated into industrial
water pollution control permits for facilities in the Oily Wastes
subcategory when they are issued or re-issued.
What are the impacts of the regulation?
EPA expects that, when the rule is implemented, the discharge
of conventional pollutants (e.g., oil and grease and total suspended
solids) will be reduced by about 500,000 pounds per year. Water
quality improvements will increase opportunities for swimming
and fishing and will reduce stress on aquatic ecosystems. EPA
estimates it will cost facilities, both private and government,
about $13.8 million a year to comply with this rule. EPA estimates
that the affected companies can afford these costs.
How can I get copies of the rule?
After the final rule is published in the Federal Register, you
can request a copy by contacting the Office of Water Resource
center at 202-566-1729 or center.water-resource@epa.gov. You can
also write or call the National Service Center for Environmental
Publications (NSCEP), U.S. EPA/NSCEP, P.O. Box 42419, Cincinnati,
Ohio 45242-2419, (800) 490-9198, http://www.epa.gov/ncepihom/.
You may also obtain electronic copies of this preamble and rule
as well as major supporting documents at E-Dockets at http://www.epa.gov/edocket/
and or at the MP&M webpage at http://www.epa.gov/guide/mpm/.
Once in the E-Dockets system, select "search," then
key in the MP&M docket identification number (OW-2002-0033).
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