Soil Abatement & Cleanup Chapter 9 Lead Abatement for Workers Course

2 Learning Objectives u Why lead in soil is a health hazard u How lead exposure from soil can be controlled

3 Lead-Contaminated Soil u Sources of lead contamination in soil ü Deteriorated LBP ü Industrial emissions ü Gasoline u A hazard to children who play in contaminated soil because they might eat the lead u Can contribute to interior dust if tracked into home

9 Soil Hazard Control u Hazard control options for soil-lead hazards include: ü Abatement  Remove and replace soil  Cover with cement or asphalt ü Interim controls  Plant grass  Lay sod  Cover with mulch or gravel

12 Soil-Lead Hazard Levels u Residential play areas ü 400 ppm u Other yard areas ü Average of 1,200 ppm

13 Soil Abatement u Small yards may require hand removal with shovels and wheelbarrows u Large yards will allow use of larger mechanical tools or trucks

15 Exterior Dust Cleaning u Soil abatement may cause contamination of surrounding concrete, brick, or asphalt surfaces