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LEAD ABATEMENT SUPERVISOR STATE TEST
NEWEST ACTUAL EXAM COMPLETE 1 20
QUESTIONS AND CORRECT DETAILED ANSWERS
(VERIFIED ANSWERS) ALREADY GRADED A+
HUD recommends separating types of waste, what does that mean? - ANSWER>>Separating what may be contaminated with lead with what is not contaminated with lead How do we test for hazardous waste - ANSWER>>Toxicity Characteristic Leachate Procedure (TCLP) How much lead must leach out of waste for it to be considered hazardous?
- ANSWER>>5PPM How much lead contaminated waste makes a contractor a conditionally exempt waste generator? - ANSWER>>less than 220 pounds per month How long may a conditionally exempt generator store contaminated waste?
- ANSWER>>90 days Characteristics of lead - ANSWER>>Metal, Gray, Soft, Heavy, Blocks radiation & Toxic What common consumer products could contain lead? - 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 - ANSWER>>Durable, drying agent, prevents mold & mildew, provides brightness in color & block radiation What form of lead was used in house-hold paint products - ANSWER>>White lead What are sources of lead contamination for yards and playgrounds? - ANSWER>>Roof flashing, leaded gas contamination, industrial emissions & paint dust from homes
What is lead-based paint under the Consumer Product Safety Commission? - ANSWER>>0.06% by weight When did CPSC ban lead-based paint? - ANSWER>> 1978 What is lead based paint according to the EPA and HUD - ANSWER>>1. mg/cm What level of lead triggers in OSHA regulations in construction? - ANSWER>>any detectable amount How can lead enter the body? - ANSWER>>Eating & Breathing What organs may be damaged by lead in the body? - ANSWER>>Brain, Central nervous system, kidneys, blood forming system, reproductive system & heart What are symptoms of lead poisoning - ANSWER>>Stomach aches, constipation or diarrhea, irritability, fatigue & weakness, muscle aches, lack of sex drive, tremors & also headaches How long does lead typically remain in the blood - ANSWER>>30 days How long does lead typically remain in soft tissue - ANSWER>>30 days How long does lead typically remain in the bones - ANSWER>>30 years What is meant by lead body burden? - ANSWER>>the amount of lead in your blood, soft tissue and bones at any one time What is meant by chronic lead poisoning? - ANSWER>>low dose over a long period What is meant by acute lead poisoning - ANSWER>>high dose in a short time What blood-lead level in children is regulated? - ANSWER>>10 ug/dl
What is the first thing OSHA will request when visiting a job site where lead work is performed? - ANSWER>>to see exposure monitoring What is exposure monitoring? - ANSWER>>air monitoring to determine whether workers are above the action level or pel for lead What is OSHA's action level? - ANSWER>>30 ug/m What is OSHA's PEL for lead? - ANSWER>>50 ug/m What does PEL mean? - ANSWER>>Permissible exposure limit What equipment and supplies are needed to conduct personal monitoring?
- ANSWER>>Personal sample pump, rotameter, 37mm sample cassette Where do we place the sample cassette? - ANSWER>>Workers breathing zone What flow rate is acceptable for personal monitoring - ANSWER>>1 to 4 liters What is a negative exposure assessment? - 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? - 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? - 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? - ANSWER>>3 months If exposures are below the action level, the employer must nevertheless perform two additional things to protect workers. What? - ANSWER>>Provide a hand washing facility & keep the area free of dust & debris
When must employers provide its workers information about their monitoring results? - 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? - ANSWER>>Blood test (Biological monitoring) What are the blood testing for? - ANSWER>>Lead & Zpp If exposures are above the action level for more than 30 days in a calendar year, what must the employer provide its workers? - ANSWER>>Medical surveillance, blood test every 2 months for the first 6 months and every 6 months thereafter. If an employee's blood lead level exceeds 40 ug/dl, what additional monitoring must be provided to the employee? - ANSWER>>back to back testing every 2 months If an employee's blood level exceeds 50 ug/dl, what additional protection must be provided by the employee? - ANSWER>>medical removal protection If exposures are above the PEL, what must the employer do first? - ANSWER>>stop work and re-evaluate work practices to reduce exposures If the employer cannot reduce exposures below the PEL then what must the employer provide? - ANSWER>>respiratory protection, full body clothing, shower & clean lunch and break area. What must the employer provide if exposures exceeds 200 ug/m3 - ANSWER>>Clean clothing every day What must an employer provide a worker before the worker is required to wear a respirator? - ANSWER>>Medical evaluation What is a critical part of the medical evaluation for use of a respiratpor - ANSWER>>Pulmonary function test
What is a lead risk assessment? - ANSWER>>Identification of lead based hazards & a report What are the two methods to control lead hazards? - ANSWER>>Abatement & Interim control Define abatement - ANSWER>>Permanently eliminate lead-based paint hazards Define interim control? - ANSWER>>Temporary control of lead-based paint hazards What are the four abatement methods? - ANSWER>>Removal, replacement, enclosure & Encapsulation Name four methods of interim control - ANSWER>>Education of occupants, paint stabilization, specialized cleaning, mulching of soul What does removal mean? - ANSWER>>Stripping the paint Name four methods of removal - ANSWER>>Wet scraping, wet sanding, chemical stripping & use a heat gun Name four methods of removal that are prohibited - ANSWER>>dry sanding/ scrapping, open flame torching, heat guns over 1100F using methylene chloride What does replacement mean? - ANSWER>>removing and replacing building components. Name four components commonly replaced - ANSWER>>windows, doors, rotten stairs, fascia boards What is the best thing to do with a contaminated carpet? - ANSWER>>remove & replace What does encapsulation mean? - ANSWER>>an elastic sealant approved by ODH What should not be encapsulated - ANSWER>>Friction & impact surfaces
What does enclosure mean? - ANSWER>>mechanically fastened leak-tight barrier Name five components commonly enclosed - ANSWER>>Walls, stairs, floors, window casings & exterior siding Why is paining with latex paint not a form of abatment? - ANSWER>>it does not seal and will not last 20 years Name two examples of soul abatment - ANSWER>>Removing & replacing soul covering with concrete & asphalt Name one example of soil interim control - ANSWER>>Mulching What additional controls have to be considered when removing contaminated soil? - ANSWER>>Controlling wind & rain erosion What is a problem when using heavy equipment to remove soil? - ANSWER>>Decontamination of equipment Where are warning signs placed when setting up a work area? - ANSWER>>At the entrance of the work area What is the best way to protect occupants and their belongings? - ANSWER>>Relocate them If we cannot move occupants, what must we provide if we work while they are present? - 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? - ANSWER>>Move them outside work area & cover them in plastic sheeting What is a critical barrier? - 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? - ANSWER>>When we need to exit our work area into a clean space
If a heat gun is used, what is the temperature limit of the heat gun - ANSWER>>1100 degrees F. What kind of chemical stripper is not allowed? - ANSWER>>Methylene chloride When sanding a lead based painted surface what must we do? - ANSWER>>Use wet methods If we use a belt sander or any other kind of power device, what must we use with this equipment? - ANSWER>>Hepa vacuum attachment What federal law regulates hazardous waste? - ANSWER>>Resource Conservation Recovery Act How may lead waste from a single family home be handled? - ANSWER>>As household waste What are two important practices when using a step ladder? - ANSWER>>Fully open & locked. Do not use the top step as a step What are three important practices when using an extension ladder? - ANSWER>>1 foot out of every 4 feet up, Extend 3 feet above the roof, tied at the top What are four symptoms of heat exhaustion - ANSWER>>Cool sweaty skin, headache, dizziness & nausea What are four symptoms of heat stroke? - ANSWER>>Hot dry skin, nausea, fainting & dizziness What is a GFCI and why is it important? - ANSWER>>Ground fault circuit interrupter & protects against electrocution. According to OSHA, at what heights is fall protection required when using a scaffold? - ANSWER>>10 feet
Three items provided on a Material Safety Data Sheet - ANSWER>>Existence of hazards in a product & first aid, Need for PPE when using the product & first aid response in case of exposure. Why do we say the laws and regulations impose strict liability on people? - ANSWER>>We are liable under a law even though we are unaware of that law. What is a contract - ANSWER>>An agreement between two parties to exchange things of value What is tort - ANSWER>>A claim that someone was negligent What are the three elements of tort - ANSWER>>Someone had a duty, that person did not do his duty & as a result there was damage How may we defend ourselves against a claim that we had been negligent?
- ANSWER>>Obey applicable laws & we followed the standard of care of our industry. What is the difference between a reasonable care defense and a state of the art defense - ANSWER>>Reasonable care is what any reasonable competent person commonly follows. Sate of the art is following the highest standard of care available. What is workers compensation insurance? - ANSWER>>insurance for injuries on the job. What is general liability insurance? - ANSWER>>Insurance for damages cause by someone or a company What is errors-and-omissions insurance? - ANSWER>>Insurance for damages that arise from professional advice What is the difference between occurrence and claims made insurance? - ANSWER>>Occurrence insurance covers damages that occur while the insurance was in place regardless of when a claim was made. Claims made insurance only covers claims when that happen when the insurance is in place
What are important traits for a supervisor to communicate to workers? - ANSWER>>Give clear directions to workers, quickly correct mistakes, do not be derisive & emphasize team work What is meant by team spirit on an abatement job? - ANSWER>>Say "we" not "i", be positive and if you need to correct a worker do so privately What is difficult to predict when estimating a job? - ANSWER>>Labor cost, how much time the job will take, will workers become and available and will workers show up What is critical path planning? - ANSWER>>Establish important steps to complete the work, keep track of each step and establish and meet deadlines What is a community relations plan? - ANSWER>>a plan on how to communicate with occupants What challenges are presented when abatement work is preformed in an coccupied home? - ANSWER>>Protecting belongings; keeping occupants out of active work areas When do we evaluate our community relations plan? - ANSWER>>Continually What certification is needed to perform clearance testing on an abatement job - ANSWER>>Certified inspector or certified risk assessor What is the visual inspection that is performed during clearance activities? - ANSWER>>Inspection to determine whether all the work was performed adequately and inspection to determine whether the area is dust free How much deteriorated paint or dust is permitted when lead dust sampling is performed? - ANSWER>>None why should the abatement contractor be present when clearance is performed? - ANSWER>>Transparency
Why do inspectors or risk assessors wear gloves when performing dust wipe sampling? - ANSWER>>to protect the wipes from lead on the persons hands What accreditation is required for the laboratory analyzing dust wipes? - ANSWER>>National lead laboratory accreditation program How does the inspector determine whether soil abatement has been successfully performed? - ANSWER>>Soil samples How does the inspector determine whether interim control of soul has been successfully performed? - ANSWER>>Visual inspection Convert 400 ppm (ug/g) into percentage by weight - ANSWER>>0.04% Convert 5,000 ppm into percentage by weight - ANSWER>>0.5% What is the chemical symbol for lead - ANSWER>>PB
