Measure S2: Lead-contaminated Soil Near California's Public Elementary Schools

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• Eighty-nine percent of all California schools in the study (public elementary schools) had detectable levels of lead in soils. Only 7 percent of the schools had lead levels in soil at or exceeding the EPA hazard standard.
  
• All buildings built before 1940 had detectable levels of lead in soils, and 30 percent exceeded the EPA hazard standard.
  
• None of the schools built after 1980 had levels of lead in soils at or exceeding the EPA hazard standard.
  
• The typical lowest concentration of lead that the method could measure for the soil sample analysis was 20 parts per million, with a range of 3.7 parts per million to 151 parts per million.

Related Measures:

• Criteria Air Pollutants (lead)
• Drinking Water (lead)
• Lead in the Blood of Children
• Neurodevelopmental Disorder