Ohio Lead Abatement contractor Questions
and answers Newest RATED A+ 2025/26
RATED A+
PPb
parts per billion
PEL
permissible exposure limits: developed by OSHA to indicate the max airborne concentration of a
contaminant to which an employee may be exposed over the duration specified by the type of PEL.
Ug
microgram
30 ug
The level of action
Hud recommends temporary relocation of residence for jobs lasting more than?
5 conservative days
When dust and debris spread beyond blank feet follow high dust methods
6 feet
Post warning signs on the building and at a blank perimeter around building less if distance to next
building or sidewalk is less than
20 feet
Workers must clean when leaving the work area with ?
Heap vac
Children shall not have access to protective sheeting because
Suffocation Hazards
Do not conduct work if wind speeds are greater than ____ per hour. If dust and debris can't be
adequately contained.
20
ug/ft2
, microgram per foot square (dust sampling)
ppm (parts per million)
parts per million by weight
AD
Ppb
parts per billionby weight 1,000 = 1 ppm
ug/g
microgram per gram
30 ug
Action Level
40 Ug
Allowable blood
50ug
Permissible exposure limit
Water action level
15 ppb
Blood is measured in
Deciliter
3 types of specs
Performance, means, method
Allows you to go less then Federal Requirements
Vertical Containment
OSHA base everything on?
8 hours twa
Twa
Time Weighted Average
Three Stages
1. Special Cleaning 2.painting and resealing 3. Hepa/wet wash/hepa again
OSHA requires cleaning how often
and answers Newest RATED A+ 2025/26
RATED A+
PPb
parts per billion
PEL
permissible exposure limits: developed by OSHA to indicate the max airborne concentration of a
contaminant to which an employee may be exposed over the duration specified by the type of PEL.
Ug
microgram
30 ug
The level of action
Hud recommends temporary relocation of residence for jobs lasting more than?
5 conservative days
When dust and debris spread beyond blank feet follow high dust methods
6 feet
Post warning signs on the building and at a blank perimeter around building less if distance to next
building or sidewalk is less than
20 feet
Workers must clean when leaving the work area with ?
Heap vac
Children shall not have access to protective sheeting because
Suffocation Hazards
Do not conduct work if wind speeds are greater than ____ per hour. If dust and debris can't be
adequately contained.
20
ug/ft2
, microgram per foot square (dust sampling)
ppm (parts per million)
parts per million by weight
AD
Ppb
parts per billionby weight 1,000 = 1 ppm
ug/g
microgram per gram
30 ug
Action Level
40 Ug
Allowable blood
50ug
Permissible exposure limit
Water action level
15 ppb
Blood is measured in
Deciliter
3 types of specs
Performance, means, method
Allows you to go less then Federal Requirements
Vertical Containment
OSHA base everything on?
8 hours twa
Twa
Time Weighted Average
Three Stages
1. Special Cleaning 2.painting and resealing 3. Hepa/wet wash/hepa again
OSHA requires cleaning how often
