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About This Item


Full Description

These requirements cover shop fabricated single or double wall oil-water separators intended to collect and separate free oil from water to the degree as determined by the equirements herein at an inlet concentration not exceeding 2 000 mg/L. These separators shall also capture and contain oil spills under dry weather conditions up to the free oil containment capacity of the separator.

Document History

  1. ULC 656


    Standard for Oil-Water Separators (CAN/ULC S656-14)

    • Most Recent
  2. CAN/ULC S656-00

    Standard for Oil-Water Separators

    • Historical Version