ACTION LEVELS
Readers should become familiar with terminology and basic levels that
trigger concern and/or action. Check with the appropriate authorities if
you have questions and to verify applicable action levels which may change
over time.
Blood lead levels: Generally from drawn blood and not a finger
stick test which can be unreliable. Units are measured in micrograms per
deciliter (ug/dl) and reflect the 1995 standards from the Centers
of Disease Control:
Children:
Adults:
Lead in paint: Differing methods report results in differing
units. Lead is considered a potential hazard if above the following
levels, but can be a hazard at lower levels, if improperly handled.
These are the current numbers as identified by the Department of Housing
and Urban Development (1995):
Lab analysis of samples:
XRF reading: in milligram per centimeter squared
Lead dust wipe test: in micrograms per square foot
Lead in soil: high contact bare play areas, listed as parts per
million (ppm)