CA State Lead Supervisor Exam
10ppm is equal to what percent? - ANS-0.001
1g is equal to what? - ANS-1,000 mg
1,000,000ug
According to Title 17, who can perform clearance inspections for lead? - ANS-Project
monitor
Inspector/assessor
According to Title 17, who can perform risk assessments for lead? - ANS-Inspector/assessor
According to Title 17, who can write abatement plans for lead? - ANS-Supervisor, project
designer, project monitor
At what temperature can lead toxic fumes occur? - ANS-950 F or above
Calculate the MUC for a 1/2 face respirator - ANS-50 ug/m3 X 10 = 500 ug/m3
Calculate the MUC for a Full face respirator - ANS-50 ug/m3 X 50 ug/m3 = 2,500 ug/m3
Calculate the MUC for a PAPR - ANS-50 ug/m3 X 1000 = 50,000 ug/m3
Childrens reaction to lead at 10 ug/dl - ANS-Slight IQ loss, hearing & growth problems
Childrens reaction to lead at 100 ug/dl - ANS-Seizures, brain swelling, death
Containment system during a high dust job - ANS-2 layers plastic on entire floor of work area
& passageways. Cover immovable objects, airlock on doorways
Containment system during a low dust job - ANS-Single layer plastic at least 6ft in all
directions
Define interim controls - ANS-A set of measures designed to reduce temporarily human
exposure or likely exposure to lead based paint hazards....
Define permanent abatement - ANS-Any set of measures used to reduce or eliminate the
hazard for 20 years or more
Federal standard dust lead hazard levels by wipe sampling - ANS-40ug/ft2 - floors
250ug/ft2 - interior windowsills
Federal standard for dust lead hazard screen - ANS-25ug/ft2 - floors
125ug/ft2 - interior windowsills
Federal standard paint containing lead applied between 1978 & Aug 13 2009 - ANS-.06%
(600ppm)
Federal standard paint containing lead applied on or after Aug 14 2009 - ANS-.009%
(90ppm)
For Class I trigger tasks, the employee is to be protected as though they were exposed
above ____ but not exceeding ______ - ANS-50 ug/m3 but not over 500 ug/m3
For Class II trigger tasks, the employee is to be protected as though they were exposed
above ____ but not exceeding ______ - ANS-500 ug/m3 (10x the PEL) but not exceeding
2,500 ug/M3 (50x the PEL)
For Class III trigger tasks, the employee is to be protected as though they were exposed
above ____ - ANS-2,500 ug/m3 (50x the PEL)
For how long can a generator accumulate hazardous waste onsite without a permit? -
ANS-90 days
For how long is an employees position, pay, and benefits protected during a medical
removal? - ANS-18 months
, For ongoing scheduled blood sampling & analysis, how frequent must employees be tested
if they're BLL is < 40 ug/dl? - ANS-At least every 2 mos for the 1st 6 mos & every 6 mos
thereafter
How do you calculate the MUC? - ANS-Multiply the PEL by the PF (Protection factor)
How do you calculate the PEL for employees working longer than 8 hours in a day? -
ANS-400 divided by # of hours worked = PEL
How do you store lead debris during a job and before disposal? - ANS-In a locked metal bin,
locked covered truck, or locked room.
How far away should moveable items outside be placed? - ANS-At least 20 ft
How far away should you set up temporary fencing and barrier tape? - ANS-20 foot
perimeter
How much lead do pregnant women & children absorb versus adults? - ANS-Preg women &
children 50%
Adults 10-15%
HUD definition of a low dust job - ANS-Dust won't extend beyond 6ft
HUD requires which homes to be inspected for lead based paint? - ANS-Built before 1978
If children younger than 6 live or may live there
HUD states you cannot use a heat gun above what temperature? - ANS-1100 F
If an employees BLL is _>40 ug/dl & <50 ug/dl how often must they be monitored? - ANS-1.
At least every 2 mos until 2 consecutive tests <40 ug/dl
2. Medical exam
3. Info on requirements for removal
If the TTLC test comes back higher than ______ then it's automatically class 1 haz waste -
ANS-_>1000 mg/kg
Lead standard requirements at the exposure limit of 30 ug/m3 (air) Cal/OSHA - ANS-Medical
surveillance
Training
Hand washing facilities
Lead standard requirements at the exposure limit of 50 ug/m3 (air) Cal/OSHA -
ANS-Respirators
Showers
PPE
Hand washing facilities
Warning signs
Change areas
Eating facilities
National primary and secondary ambient air quality standard - ANS-0.15ug/m3
Rate of vacuuming to clean a lead dust hazard from area rugs - ANS-4 min for every 10 ft2
Rate of vacuuming to clean lead dust from hard surfaces - ANS-No speed restrictions
Rate of vacuuming to clean lead dust from wall-to-wall carpeting - ANS-Hepa vac no faster
than 2 min per 10 ft2
Re: lead safe housing rule, projects receiving fed assistance, what are the cost per unit limits
requiring interim controls - ANS-$5,000 - $25,000 per unit
Re: lead safe housing rule, projects receiving fed assistance, what is the cost per unit limit
requiring abatement - ANS-$25,000 per unit
Re: lead safe housing rule, projects receiving fed assistance, what is the cost per unit limit
where only lead safe work practices are required - ANS-Up to $5,000 per unit
10ppm is equal to what percent? - ANS-0.001
1g is equal to what? - ANS-1,000 mg
1,000,000ug
According to Title 17, who can perform clearance inspections for lead? - ANS-Project
monitor
Inspector/assessor
According to Title 17, who can perform risk assessments for lead? - ANS-Inspector/assessor
According to Title 17, who can write abatement plans for lead? - ANS-Supervisor, project
designer, project monitor
At what temperature can lead toxic fumes occur? - ANS-950 F or above
Calculate the MUC for a 1/2 face respirator - ANS-50 ug/m3 X 10 = 500 ug/m3
Calculate the MUC for a Full face respirator - ANS-50 ug/m3 X 50 ug/m3 = 2,500 ug/m3
Calculate the MUC for a PAPR - ANS-50 ug/m3 X 1000 = 50,000 ug/m3
Childrens reaction to lead at 10 ug/dl - ANS-Slight IQ loss, hearing & growth problems
Childrens reaction to lead at 100 ug/dl - ANS-Seizures, brain swelling, death
Containment system during a high dust job - ANS-2 layers plastic on entire floor of work area
& passageways. Cover immovable objects, airlock on doorways
Containment system during a low dust job - ANS-Single layer plastic at least 6ft in all
directions
Define interim controls - ANS-A set of measures designed to reduce temporarily human
exposure or likely exposure to lead based paint hazards....
Define permanent abatement - ANS-Any set of measures used to reduce or eliminate the
hazard for 20 years or more
Federal standard dust lead hazard levels by wipe sampling - ANS-40ug/ft2 - floors
250ug/ft2 - interior windowsills
Federal standard for dust lead hazard screen - ANS-25ug/ft2 - floors
125ug/ft2 - interior windowsills
Federal standard paint containing lead applied between 1978 & Aug 13 2009 - ANS-.06%
(600ppm)
Federal standard paint containing lead applied on or after Aug 14 2009 - ANS-.009%
(90ppm)
For Class I trigger tasks, the employee is to be protected as though they were exposed
above ____ but not exceeding ______ - ANS-50 ug/m3 but not over 500 ug/m3
For Class II trigger tasks, the employee is to be protected as though they were exposed
above ____ but not exceeding ______ - ANS-500 ug/m3 (10x the PEL) but not exceeding
2,500 ug/M3 (50x the PEL)
For Class III trigger tasks, the employee is to be protected as though they were exposed
above ____ - ANS-2,500 ug/m3 (50x the PEL)
For how long can a generator accumulate hazardous waste onsite without a permit? -
ANS-90 days
For how long is an employees position, pay, and benefits protected during a medical
removal? - ANS-18 months
, For ongoing scheduled blood sampling & analysis, how frequent must employees be tested
if they're BLL is < 40 ug/dl? - ANS-At least every 2 mos for the 1st 6 mos & every 6 mos
thereafter
How do you calculate the MUC? - ANS-Multiply the PEL by the PF (Protection factor)
How do you calculate the PEL for employees working longer than 8 hours in a day? -
ANS-400 divided by # of hours worked = PEL
How do you store lead debris during a job and before disposal? - ANS-In a locked metal bin,
locked covered truck, or locked room.
How far away should moveable items outside be placed? - ANS-At least 20 ft
How far away should you set up temporary fencing and barrier tape? - ANS-20 foot
perimeter
How much lead do pregnant women & children absorb versus adults? - ANS-Preg women &
children 50%
Adults 10-15%
HUD definition of a low dust job - ANS-Dust won't extend beyond 6ft
HUD requires which homes to be inspected for lead based paint? - ANS-Built before 1978
If children younger than 6 live or may live there
HUD states you cannot use a heat gun above what temperature? - ANS-1100 F
If an employees BLL is _>40 ug/dl & <50 ug/dl how often must they be monitored? - ANS-1.
At least every 2 mos until 2 consecutive tests <40 ug/dl
2. Medical exam
3. Info on requirements for removal
If the TTLC test comes back higher than ______ then it's automatically class 1 haz waste -
ANS-_>1000 mg/kg
Lead standard requirements at the exposure limit of 30 ug/m3 (air) Cal/OSHA - ANS-Medical
surveillance
Training
Hand washing facilities
Lead standard requirements at the exposure limit of 50 ug/m3 (air) Cal/OSHA -
ANS-Respirators
Showers
PPE
Hand washing facilities
Warning signs
Change areas
Eating facilities
National primary and secondary ambient air quality standard - ANS-0.15ug/m3
Rate of vacuuming to clean a lead dust hazard from area rugs - ANS-4 min for every 10 ft2
Rate of vacuuming to clean lead dust from hard surfaces - ANS-No speed restrictions
Rate of vacuuming to clean lead dust from wall-to-wall carpeting - ANS-Hepa vac no faster
than 2 min per 10 ft2
Re: lead safe housing rule, projects receiving fed assistance, what are the cost per unit limits
requiring interim controls - ANS-$5,000 - $25,000 per unit
Re: lead safe housing rule, projects receiving fed assistance, what is the cost per unit limit
requiring abatement - ANS-$25,000 per unit
Re: lead safe housing rule, projects receiving fed assistance, what is the cost per unit limit
where only lead safe work practices are required - ANS-Up to $5,000 per unit
