Federal Guidelines for Landfarming Petroleum Hydrocarbon Contaminated Soils

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The Federal Guidelines for Landfarming Petroleum Hydrocarbon Contaminated Soils provide introductory information in Sections 2 through 4, sections on health and safety considerations (Section 5), general landfarming applicability (Section 6) and the applicable standards (Section 7). The guidelines themselves are provided in Section 8, where subsections take the user through the landfarming process starting from determining if landfarming is best suited to the particular contaminated site (Sections 8.1); followed by siting (Section 8.2); design and construction (Section 8.3); and operations, maintenance, monitoring and closure (Section 8.4). The landfarming process, from the contaminated site environmental assessment to landfarm closure, is depicted in a flowchart (see Figure 1-1).

Landfarming is an ex-situ contaminated soil bioremediation technique that involves excavating and spreading contaminated material either in beds consisting of a thin, uniformly thick layer or in windrows. Remediation results from the manipulation of various conditions that stimulate aerobic microbial activity, such as:

•  aeration (e.g., tilling);

•  moisture content (e.g.,  irrigation or spraying);

•  pH (e.g., buffering or neutralizing by adding lime);

•   soil conditioning (e.g., addition of amendments such as bulking agents, nutrients, etc.)

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  • Author: Government of Canada, Environment Canada
  • Language of Document: Separate English/French
  • Document Type: Guide
  • ISBN: 978-1-100-22284-4
  • Size: 21.59 x 27.94 cm
  • Pages: 27
  • Year: 2013
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