Wood preservation facilities, chromated copper arsenate: chapter B, table 15


Table 15. Recommended Design Features for Accelerated Fixation Areas

Design feature Recommendations

Objectives:

  • Minimize losses of preservative chemicals from treated wood to the environment by providing adequate controls to ensure minimization of preservative drippage prior to removal to unprotected storage areas
  • Ensure fixation of preservative prior to release to uncontained storage area
  • Reduce the time required for fixation from that required for ambient fixation
General design
  • Consider integrated design provisions for
    • area that is sheltered from precipitation, dust, debris;
    • adequate air flow; and
    • sufficient heat and humidity to achieve fixation.
Drip and containment
  • Area should have an impermeable floor and designed so that any residues may easily be cleaned up.
  • Area should be fully contained with sufficient grade and an efficient drainage system to direct any free liquid to a collection and recycling system.
  • Provide for return of fluids to treatment process with minimum dispersal from tracking by personnel and vehicles.

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