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LEAD ABATEMENT STATE TEST SUPERVISOR
EXAM QUESTIONS AND ANSWERS.
Characteristics of lead - correct answer- Metal, Gray, Soft, Heavy, Blocks radiation & Toxic What common consumer products could contain lead? - correct answer- Paint, Bullets, Fishing sinkers, Solders, Ceramic, X-ray block, vinyl, plastic, weights, pewter, batteries, flashing & leaded crystal glass What was lead used in these products - correct answer- Durable, drying agent, prevents mold & mildew, provides brightness in color & block radiation What form of lead was used in house-hold paint products - correct answer- White lead What are sources of lead contamination for yards and playgrounds? - correct answer- Roof flashing, leaded gas contamination, industrial emissions & paint dust from homes
What is lead-based paint under the Consumer Product Safety Commission? - correct answer- 0.06% by weight When did CPSC ban lead-based paint? - correct answer- 1978 What is lead based paint according to the EPA and HUD - correct answer- 1.0 mg/cm What level of lead triggers in OSHA regulations in construction?
- correct answer- any detectable amount How can lead enter the body? - correct answer- Eating & Breathing What organs may be damaged by lead in the body? - correct answer- Brain, Central nervous system, kidneys, blood forming system, reproductive system & heart What are symptoms of lead poisoning - correct answer- Stomach aches, constipation or diarrhea, irritability, fatigue &
What blood-lead level in children is regulated? - correct answer- 10 ug/dl Why do we focus on children under 6 years of age? - correct answer- hand to mouth behavior, high absorption rate & lead interferes with proper development What medical procedure is used to remove lead from the body?
- correct answer- Chelation What is Title X - correct answer- Childhood lead poisoning prevention law What law requires contractors and workers to be trained - correct answer- Toxic Substance Control Act (T.S.C.A) What federal government agency enforces TSCA - correct answer- EPA
What federal agency enforces work safety? - correct answer- OSHA What does OSHA require whenever work disturbs lead? - correct answer- Personal Air Monitoring What Ohio agency requires training? - correct answer- Ohio department of Health What disciplines must be trained under EPA and ODH - correct answer- Inspector, risk assessor, worker, contractor/supervisor, designer When must we notify ODH before a lead abatement project? - correct answer- 10 days by mail 3 days by email How long must the contractor keep project records? - correct answer- 3 years What is the maximum first time fine for violation of ODH regulations? - correct answer- $1000 per day
What does PEL mean? - correct answer- Permissible exposure limit What equipment and supplies are needed to conduct personal monitoring? - correct answer- Personal sample pump, rotameter, 37mm sample cassette Where do we place the sample cassette? - correct answer- Workers breathing zone What flow rate is acceptable for personal monitoring - correct answer- 1 to 4 liters What is a negative exposure assessment? - correct answer- Air sampling results below the PEL If exposure monitoring indicates that exposures are below the action level for a job, how long may we rely on the monitoring for similar jobs? - correct answer- 1 year
If exposure monitoring indicates that exposures are above the action level but below the PEL for a job, how long may we rely on the monitoring for similar jobs? - correct answer- 6 months If exposure monitoring indicates that exposures are above the PEL for a job, how long may we rely on the monitoring for similar jobs? - correct answer- 3 months If exposures are below the action level, the employer must nevertheless perform two additional things to protect workers. What? - correct answer- Provide a hand washing facility & keep the area free of dust & debris When must employers provide its workers information about their monitoring results? - correct answer- 5 days after receipts of results from the lab If exposures are above the action level for any one day in a calendar year, what must the employer provide its workers? - correct answer- Blood test (Biological monitoring) What are the blood testing for? - correct answer- Lead & Zpp
What must the employer provide if exposures exceeds 200 ug/m3 - correct answer- Clean clothing every day What must an employer provide a worker before the worker is required to wear a respirator? - correct answer- Medical evaluation What is a critical part of the medical evaluation for use of a respiratpor - correct answer- Pulmonary function test What is a fit (seal) check and how often is this done? - correct answer- negative & positive fit check every time you put it on What is a fit test and how often is this done? - correct answer- Test to determine if the respirator leaks every year (once a year) What is included in training in the use of a respirator? - correct answer- how to clean it, how to inspect it, how to store it & how to perform fit check
What is the protection factor of a half-face APR? - correct answer- 10 What is the protection factor a full-face APR? - correct answer- 50 How do we calculate the maximum use level of a respirator - correct answer- Protection actor multiplied by PEL (Protection factor X PEL) What is the maximum use level of a half face APR? - correct answer- 500 ug/m What is the maximum use of a full-face APR - correct answer- 2500 ug/m What respirator filter is required for work with lead? - correct answer- Hepa What do we do as we remove full-body protective clothing? - correct answer- Turn clothing inside out
What are the two methods to control lead hazards? - correct answer- Abatement & Interim control Define abatement - correct answer- Permanently eliminate lead-based paint hazards Define interim control? - correct answer- Temporary control of lead-based paint hazards What are the four abatement methods? - correct answer- Removal, replacement, enclosure & Encapsulation Name four methods of interim control - correct answer- Education of occupants, paint stabilization, specialized cleaning, mulching of soul What does removal mean? - correct answer- Stripping the paint Name four methods of removal - correct answer- Wet scraping, wet sanding, chemical stripping & use a heat gun
Name four methods of removal that are prohibited - correct answer- dry sanding/ scrapping, open flame torching, heat guns over 1100F using methylene chloride What does replacement mean? - correct answer- removing and replacing building components. Name four components commonly replaced - correct answer- windows, doors, rotten stairs, fascia boards What is the best thing to do with a contaminated carpet? - correct answer- remove & replace What does encapsulation mean? - correct answer- an elastic sealant approved by ODH What should not be encapsulated - correct answer- Friction & impact surfaces
Where are warning signs placed when setting up a work area?
- correct answer- At the entrance of the work area What is the best way to protect occupants and their belongings?
- correct answer- Relocate them If we cannot move occupants, what must we provide if we work while they are present? - correct answer- 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? - correct answer- Move them outside work area & cover them in plastic sheeting What is a critical barrier? - correct answer- 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? - correct answer- When we need to exit our work area into a clean space
What do we do with HVAC vents in the work area? - correct answer- Cover them with critical barriers When must we stop work being performed outside? - correct answer- When wind exceeds 20 mph What doors and windows must be sealed when we are working outside? - correct answer- Doors and windows that are within work area What must we provide to occupants when we perform work outside? - correct answer- A way to go in & out the house What do we do with debris generated during abatement work? - correct answer- Place it in a 6 mil bag or wrap in 6 mil poly What does goose necking a bag mean? - correct answer- Twist top of bag & tape it then double the end over and tape it again
If a heat gun is used, what is the temperature limit of the heat gun - correct answer- 1100 degrees F. What kind of chemical stripper is not allowed? - correct answer- Methylene chloride When sanding a lead based painted surface what must we do?
- correct answer- Use wet methods If we use a belt sander or any other kind of power device, what must we use with this equipment? - correct answer- Hepa vacuum attachment What federal law regulates hazardous waste? - correct answer- Resource Conservation Recovery Act How may lead waste from a single family home be handled? - correct answer- As household waste
HUD recommends separating types of waste, what does that mean? - correct answer- Separating what may be contaminated with lead with what is not contaminated with lead How do we test for hazardous waste - correct answer- Toxicity Characteristic Leachate Procedure (TCLP) How much lead must leach out of waste for it to be considered hazardous? - correct answer- 5PPM How much lead contaminated waste makes a contractor a conditionally exempt waste generator? - correct answer- less than 220 pounds per month How long may a conditionally exempt generator store contaminated waste? - correct answer- 90 days What are two important practices when using a step ladder? - correct answer- Fully open & locked. Do not use the top step as a step
