Paint Standards

•         1 milligram per centimeter square of lead (1 mg/cm ²)

•         0.5% by weight

•         5,000 parts per million lead by dry weight (5,000 ppm)

Dust standards

•         Floors 40 μg/ft ²

•         Windowsill 250 μg/ft ²

•         Window trough 400 μg/ft ²

Soil Levels

•         Play/High Contact Area 400 ppm

•         Perimeter/Yard 1,200 ppm

•         Abatement necessary 5,000 ppm