Standard for Oil-Water Separators

1 SCOPE

1.1 This Standard provides minimum requirements for shop fabricated single-wall or double-wall oil-water

separators intended to collect and separate free oil from water by gravity separation at an inlet free oil

concentration not exceeding 2 000 mg/L.

1.2 These oil-water separators are also installed for the capture and retention of oil spills under dry

weather conditions up to the free oil retention capacity of the oil-water separator.

1.3 These oil-water separators are intended for installation and operation in accordance with, but not

limited to, the following:

A Manufacturer’s instructions;

B CCME PN 1326, Environmental Code of Practice for Aboveground and Underground Storage

Tank Systems Containing Petroleum and Allied Petroleum Products;

C CPPI Code of Practice for Management of Water Effluent Quality at Petroleum Storage and

Distribution Facilities; and

D Regulations of the authority having jurisdiction.

NOTE 1: Collection and disposal of the effluent, free oil, and separated solids from oil-water separators is beyond the

scope of this document. Consult the authority having jurisdiction for disposal requirements for these substances.

NOTE 2: The accumulated solids are to be removed as recommended in the Manufacturer’s Operation and

Maintenance Instructions to ensure no adverse effect on the performance of the oil-water separator.

1.4 The requirements of this Standard apply to all oil-water separators. Users are advised that the

requirements of AHJs may impose additional performance and testing criteria beyond those described in

this document.