CA STATE LEAD SUPERVISOR
CA State Lead Supervisor Exam QUESTIONS &
ANSWERS (A+ GRADED 100% VERIFIED)
What is HUD's regulation on repainting or wall papering as a form of abatement? - ANSWER✅ Not
specifically prohibited but not recommended
What is the 1st test used to characterize lead waste? - ANSWER✅ TTLC
Total threshold limit concentration
What concentration of lead requires additional testing for haz waste determination - ANSWER✅ _>50
mg/kg to <1000 mg/kg
If the TTLC test comes back higher than ______ then it's automatically class 1 haz waste - ANSWER✅
_>1000 mg/kg
What test is used by the state of CA to characterize lead waste if it fails the TTLC? - ANSWER✅ STLC
(Soluble threshold limit concentration) aka W.E.T. Waste Extraction Test
What test is used by the EPA to characterize lead waste if it fails the TTLC? - ANSWER✅ TCLP (Toxicity
Characterization Leaching Procedure)
What level does both the STLC & TCLP need to be in order to be classified as non hazardous waste? -
ANSWER✅ < 5 mg/L
Treatment not required
For Class I trigger tasks, the employee is to be protected as though they were exposed above ____ but
not exceeding ______ - ANSWER✅ 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 ______ - ANSWER✅ 500 ug/m3 (10x the PEL) but not exceeding 2,500 ug/M3 (50x the
PEL)
, CA STATE LEAD SUPERVISOR
For Class III trigger tasks, the employee is to be protected as though they were exposed above ____ -
ANSWER✅ 2,500 ug/m3 (50x the PEL)
What does MUC stand for? - ANSWER✅ Maximum use concentration
What is the MUC used for? - ANSWER✅ To determine the max amount of lead a respirator can protect
you from
How do you calculate the MUC? - ANSWER✅ Multiply the PEL by the PF (Protection factor)
How do you calculate the PEL for employees working longer than 8 hours in a day? - ANSWER✅ 400
divided by # of hours worked = PEL
Lead standard requirements at the exposure limit of 30 ug/m3 (air) Cal/OSHA - ANSWER✅ Medical
surveillance
Training
Hand washing facilities
Lead standard requirements at the exposure limit of 50 ug/m3 (air) Cal/OSHA - ANSWER✅ Respirators
Showers
PPE
Hand washing facilities
Warning signs
Change areas
Eating facilities
CA State Lead Supervisor Exam QUESTIONS &
ANSWERS (A+ GRADED 100% VERIFIED)
What is HUD's regulation on repainting or wall papering as a form of abatement? - ANSWER✅ Not
specifically prohibited but not recommended
What is the 1st test used to characterize lead waste? - ANSWER✅ TTLC
Total threshold limit concentration
What concentration of lead requires additional testing for haz waste determination - ANSWER✅ _>50
mg/kg to <1000 mg/kg
If the TTLC test comes back higher than ______ then it's automatically class 1 haz waste - ANSWER✅
_>1000 mg/kg
What test is used by the state of CA to characterize lead waste if it fails the TTLC? - ANSWER✅ STLC
(Soluble threshold limit concentration) aka W.E.T. Waste Extraction Test
What test is used by the EPA to characterize lead waste if it fails the TTLC? - ANSWER✅ TCLP (Toxicity
Characterization Leaching Procedure)
What level does both the STLC & TCLP need to be in order to be classified as non hazardous waste? -
ANSWER✅ < 5 mg/L
Treatment not required
For Class I trigger tasks, the employee is to be protected as though they were exposed above ____ but
not exceeding ______ - ANSWER✅ 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 ______ - ANSWER✅ 500 ug/m3 (10x the PEL) but not exceeding 2,500 ug/M3 (50x the
PEL)
, CA STATE LEAD SUPERVISOR
For Class III trigger tasks, the employee is to be protected as though they were exposed above ____ -
ANSWER✅ 2,500 ug/m3 (50x the PEL)
What does MUC stand for? - ANSWER✅ Maximum use concentration
What is the MUC used for? - ANSWER✅ To determine the max amount of lead a respirator can protect
you from
How do you calculate the MUC? - ANSWER✅ Multiply the PEL by the PF (Protection factor)
How do you calculate the PEL for employees working longer than 8 hours in a day? - ANSWER✅ 400
divided by # of hours worked = PEL
Lead standard requirements at the exposure limit of 30 ug/m3 (air) Cal/OSHA - ANSWER✅ Medical
surveillance
Training
Hand washing facilities
Lead standard requirements at the exposure limit of 50 ug/m3 (air) Cal/OSHA - ANSWER✅ Respirators
Showers
PPE
Hand washing facilities
Warning signs
Change areas
Eating facilities
