LEAD ABATEMENT SUPERVISOR FINALS QUESTIONS
AND ANSWERS SET A+
✔✔Name one example of soil interim control - ✔✔Mulching
✔✔What additional controls have to be considered when removing contaminated soil? -
✔✔Controlling wind & rain erosion
✔✔What is a problem when using heavy equipment to remove soil? -
✔✔Decontamination of equipment
✔✔Where are warning signs placed when setting up a work area? - ✔✔At the entrance
of the work area
✔✔What is the best way to protect occupants and their belongings? - ✔✔Relocate them
✔✔If we cannot move occupants, what must we provide if we work while they are
present? - ✔✔A way in and out, access and egress, access to bathroom, access to
kitchen, blockage to the work area
✔✔What can we do with belongings that are present in the area where we will work? -
✔✔Move them outside work area & cover them in plastic sheeting
✔✔What is a critical barrier? - ✔✔6 mil polyethylene sheeting put over openings in the
the work area. Doors, windows and vents
✔✔When do we need to create a poly flap door way? - ✔✔When we need to exit our
work area into a clean space
✔✔What do we do with HVAC vents in the work area? - ✔✔Cover them with critical
barriers
, ✔✔When must we stop work being performed outside? - ✔✔When wind exceeds 20
mph
✔✔What doors and windows must be sealed when we are working outside? - ✔✔Doors
and windows that are within work area
✔✔What must we provide to occupants when we perform work outside? - ✔✔A way to
go in & out the house
✔✔What do we do with debris generated during abatement work? - ✔✔Place it in a 6
mil bag or wrap in 6 mil poly
✔✔What does goose necking a bag mean? - ✔✔Twist top of bag & tape it then double
the end over and tape it again
✔✔What do we do with lean painted components we are removing? - ✔✔Place in 6 mil
bags or wrap in 6 mil poly
✔✔What is meant by daily cleaning? - ✔✔Cleaning up dust & debris in the work area
picking up drop cloths
✔✔What are the three recommended by EPA for final cleaning? - ✔✔Hepa vacuum,
Wet clean & Hepa vacuum again
✔✔Why would we clean from top to bottom? - ✔✔Don't want to re-contaminate our area
✔✔What kind of vacuum is required for work with lead? - ✔✔Hepa Vacuum
✔✔What is the thickness of polyethylene used in lead treatment? - ✔✔6 mil
✔✔What is the thickness of plastic waste bags used in lead abatement? - ✔✔6 mil
✔✔If a heat gun is used, what is the temperature limit of the heat gun - ✔✔1100
degrees F.
✔✔What kind of chemical stripper is not allowed? - ✔✔Methylene chloride
✔✔When sanding a lead based painted surface what must we do? - ✔✔Use wet
methods
✔✔If we use a belt sander or any other kind of power device, what must we use with
this equipment? - ✔✔Hepa vacuum attachment
AND ANSWERS SET A+
✔✔Name one example of soil interim control - ✔✔Mulching
✔✔What additional controls have to be considered when removing contaminated soil? -
✔✔Controlling wind & rain erosion
✔✔What is a problem when using heavy equipment to remove soil? -
✔✔Decontamination of equipment
✔✔Where are warning signs placed when setting up a work area? - ✔✔At the entrance
of the work area
✔✔What is the best way to protect occupants and their belongings? - ✔✔Relocate them
✔✔If we cannot move occupants, what must we provide if we work while they are
present? - ✔✔A way in and out, access and egress, access to bathroom, access to
kitchen, blockage to the work area
✔✔What can we do with belongings that are present in the area where we will work? -
✔✔Move them outside work area & cover them in plastic sheeting
✔✔What is a critical barrier? - ✔✔6 mil polyethylene sheeting put over openings in the
the work area. Doors, windows and vents
✔✔When do we need to create a poly flap door way? - ✔✔When we need to exit our
work area into a clean space
✔✔What do we do with HVAC vents in the work area? - ✔✔Cover them with critical
barriers
, ✔✔When must we stop work being performed outside? - ✔✔When wind exceeds 20
mph
✔✔What doors and windows must be sealed when we are working outside? - ✔✔Doors
and windows that are within work area
✔✔What must we provide to occupants when we perform work outside? - ✔✔A way to
go in & out the house
✔✔What do we do with debris generated during abatement work? - ✔✔Place it in a 6
mil bag or wrap in 6 mil poly
✔✔What does goose necking a bag mean? - ✔✔Twist top of bag & tape it then double
the end over and tape it again
✔✔What do we do with lean painted components we are removing? - ✔✔Place in 6 mil
bags or wrap in 6 mil poly
✔✔What is meant by daily cleaning? - ✔✔Cleaning up dust & debris in the work area
picking up drop cloths
✔✔What are the three recommended by EPA for final cleaning? - ✔✔Hepa vacuum,
Wet clean & Hepa vacuum again
✔✔Why would we clean from top to bottom? - ✔✔Don't want to re-contaminate our area
✔✔What kind of vacuum is required for work with lead? - ✔✔Hepa Vacuum
✔✔What is the thickness of polyethylene used in lead treatment? - ✔✔6 mil
✔✔What is the thickness of plastic waste bags used in lead abatement? - ✔✔6 mil
✔✔If a heat gun is used, what is the temperature limit of the heat gun - ✔✔1100
degrees F.
✔✔What kind of chemical stripper is not allowed? - ✔✔Methylene chloride
✔✔When sanding a lead based painted surface what must we do? - ✔✔Use wet
methods
✔✔If we use a belt sander or any other kind of power device, what must we use with
this equipment? - ✔✔Hepa vacuum attachment