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III Corps and Fort Hood

Year Submitted: 2003

Process: Parts Cleaning

Industry: Government Agency-Includes Military

Wastes Reduced: Solvent

Substance: Naptha

Location: Fort Hood, Bell County TX

No. of employees: 45000

Contact: Alex Kachura

Phone: (254) 287-8711


Fort Hood uses a contractor provided parts washing system with a nonhazardous (high flash-low VOC) solvent. The washer is capable of minimizing waste generation by separating contaminants from the solvent; however, full waste minimization has not been realized. As part of the Parts Washer Needs Assessment Survey performed, improper management procedures that interfere with the maximum efficiency of the unit were identified. These procedures included:Use of parts washer for other than maintenance operations (i.e. cleaning paint-related equipment).Improper use of other solvents (carburetor cleaners, brake cleaners) with parts washers.Improper servicing of the units by contractor.These practices accounted for 50% of the parts washers identified as contaminated and requiring disposal of the contaminated solvent as hazardous waste. As a result of the findings, a solvent management plan has been established. This management plan incorporates the following procedures to ensure maximum efficiency of parts washers:Routine surveillance and inspection of all parts washers during and between service intervals. Users are held accountable for units found to be contaminated by an outside source or from practices not associated with general maintenance parts cleaning.

P2 Application:

This project incorporates management techniques to maximize the existing waste minimization potential of existing parts washer systems.

Environmental Benefits:

Proper management of the waste minimization parts washer units extends solvent life by minimizing the frequency of changing out the solvent; therefore, extending the useful life of the solvent is expected to result in a reduction of approximately 9,000 gallons of solvent manifested per year. Long term expectations include:Decreasing the frequency of servicing units.Minimizing contamination of parts washer solvent.Maximizing the efficiency of maintenance operations by maximizing the effective use of parts washers.

Details of Reductions

Additional Information :

Extending solvent life and minimizing solvent change-out in parts washers can result in an immediate reduction of service costs of approximately $10,000 per year.

Source: TCEQ

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