LEAD REGULATORY LIMITS:

OSHA PEL - 50 micrograms per cubic meter

OSHA action level - 30 micrograms per cubic meter

TCLP - 5.0  milligrams per liter

Lead based paint (HUD) - 0.5 % by weight or 5000 parts per million

Dust wipe Clearance

   - Floors - 40 micrograms per square foot

   - Interior Window Sills - 250 micrograms per square foot

   - Window Troughs - 400 micrograms  per square  foot