CA State Lead Supervisor Exam with complete solution
The Consumer Product Safety Commission restricts the amount of lead in
coatings to what?
90ppm
.009%
As of 2012
The Consumer Product Safety Commussion restricts the amount of lead in
coatings on what surfaces?
Residential Structures
Publicly accessed commercial buildings
Recreational areas
Toys
Play-ground equipment
Which homes have a 86% chance of containing lead based paint according to
EPA?
Homes built before 1940
Which homes have an 66% chance of containing lead based paint according to
EPA?
Homes built between 1940 & 1959
Which homes have a 25% chance of containing lead based paint according to
EPA?
Homes built between 1960 & 1978
1g is equal to what?
1,000 mg
1,000,000ug
What percentage is 6,000ppm?
0.6%
10ppm is equal to what percent?
0.001
What is the CDC level of concern for children?
5ug/dl
How much lead do pregnant women & children absorb versus adults?
Preg women & children 50%
Adults 10-15%
Where is most the lead absorbed by the body stored?
In the bones
Childrens reaction to lead at 100 ug/dl
Seizures, brain swelling, death
Childrens reaction to lead at 10 ug/dl
Slight IQ loss, hearing & growth problems
According to Title 17, who can write abatement plans for lead?
Supervisor, project designer, project monitor
According to Title 17, who can perform clearance inspections for lead?
, Project monitor
Inspector/assessor
According to Title 17, who can perform risk assessments for lead?
Inspector/assessor
Lead standard requirements at the exposure limit of 30 ug/m3 (air) Cal/OSHA
Medical surveillance
Training
Hand washing facilities
Lead standard requirements at the exposure limit of 50 ug/m3 (air) Cal/OSHA
Respirators
Showers
PPE
Hand washing facilities
Warning signs
Change areas
Eating facilities
How do you calculate the PEL for employees working longer than 8 hours in a
day?
400 divided by # of hours worked = PEL
What activities are included in Class 1 trigger task?
Manual demo
Manual scraping
Manual sanding
Heat gun use
Power took cleaning w/dust collection systems
Spray painting w/lead paint
What is the minimum protection required in Trigger task class 1?
1/2 face respirator
What activities are included in Class 2 trigger task?
Using Lead mortar
Lead burning
Rivet busting
Power tool cleaning without dust collection system
Abrasive blasting enclosure movement and removal
What is the minimum protection required in Trigger task class 2?
Full face respirator
What activities are included in Class 3 trigger task?
Abrasive blasting
Welding
Cutting
Torch burning
What is the minimum protection required in Trigger task class 3?
Full face PAPR or SAR
When must employers offer a one-time blood sampling & analysis to an employee
exposed to lead?
If they're exposed above the action level (30 ug/m3) on any one day
The Consumer Product Safety Commission restricts the amount of lead in
coatings to what?
90ppm
.009%
As of 2012
The Consumer Product Safety Commussion restricts the amount of lead in
coatings on what surfaces?
Residential Structures
Publicly accessed commercial buildings
Recreational areas
Toys
Play-ground equipment
Which homes have a 86% chance of containing lead based paint according to
EPA?
Homes built before 1940
Which homes have an 66% chance of containing lead based paint according to
EPA?
Homes built between 1940 & 1959
Which homes have a 25% chance of containing lead based paint according to
EPA?
Homes built between 1960 & 1978
1g is equal to what?
1,000 mg
1,000,000ug
What percentage is 6,000ppm?
0.6%
10ppm is equal to what percent?
0.001
What is the CDC level of concern for children?
5ug/dl
How much lead do pregnant women & children absorb versus adults?
Preg women & children 50%
Adults 10-15%
Where is most the lead absorbed by the body stored?
In the bones
Childrens reaction to lead at 100 ug/dl
Seizures, brain swelling, death
Childrens reaction to lead at 10 ug/dl
Slight IQ loss, hearing & growth problems
According to Title 17, who can write abatement plans for lead?
Supervisor, project designer, project monitor
According to Title 17, who can perform clearance inspections for lead?
, Project monitor
Inspector/assessor
According to Title 17, who can perform risk assessments for lead?
Inspector/assessor
Lead standard requirements at the exposure limit of 30 ug/m3 (air) Cal/OSHA
Medical surveillance
Training
Hand washing facilities
Lead standard requirements at the exposure limit of 50 ug/m3 (air) Cal/OSHA
Respirators
Showers
PPE
Hand washing facilities
Warning signs
Change areas
Eating facilities
How do you calculate the PEL for employees working longer than 8 hours in a
day?
400 divided by # of hours worked = PEL
What activities are included in Class 1 trigger task?
Manual demo
Manual scraping
Manual sanding
Heat gun use
Power took cleaning w/dust collection systems
Spray painting w/lead paint
What is the minimum protection required in Trigger task class 1?
1/2 face respirator
What activities are included in Class 2 trigger task?
Using Lead mortar
Lead burning
Rivet busting
Power tool cleaning without dust collection system
Abrasive blasting enclosure movement and removal
What is the minimum protection required in Trigger task class 2?
Full face respirator
What activities are included in Class 3 trigger task?
Abrasive blasting
Welding
Cutting
Torch burning
What is the minimum protection required in Trigger task class 3?
Full face PAPR or SAR
When must employers offer a one-time blood sampling & analysis to an employee
exposed to lead?
If they're exposed above the action level (30 ug/m3) on any one day
