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Our Work

Hazardous Waste Landfill Closure

Hazardous Waste Landfill Closure
Morton International
Moss Point, Mississippi


SEMS provided full-time quality assurance and quality control during the construction of two new hazardous waste landfill cells and closure of two previously completed cells at a manufacturing facility. Earlier in his career, SEMS founder, Mark Morgan designed the first RCRA (Resource Conservation and Recovery Act) Subtitle C landfill cells in the State of Mississippi. Morgan designed the Subtitle C landfill for the Morton International manufacturing facility in Moss Point. SEMS ensured that the cell expansion and closure met all project design criteria outlined in the construction plan and specification developed by Morgan. These specifications included:

  • Site preparation
  • Foundation work
  • Construction of the leachate collection system
  • Leachate detection system
  • Top and bottom composite liners
  • Final cover system