Lead Abatement and Safety Guidelines, Exams of Nursing

Download Lead Abatement and Safety Guidelines and more Exams Nursing in PDF only on Docsity! 1 | P a g e LEAD ABATEMENT STATE TEST SUPERVISOR 2024 -2025 WITH ACTUAL CORRECT QUESTIONS AND VERIFIED DETAILED ANSWERS |FREQUENTLY TESTED QUESTIONS AND SOLUTIONS |ALREADY GRADED A+|NEWEST|GUARANTEED PASS |LATEST UPDATE What is the best way to protect occupants and their belongings? Relocate them If we cannot move occupants, what must we provide if we work while they are present? 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? Move them outside work area & cover them in plastic sheeting What is a critical barrier? 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? When we need to exit our work area into a clean space What do we do with HVAC vents in the work area? Cover them with critical barriers When must we stop work being performed outside? When wind exceeds 20 mph What doors and windows must be sealed when we are working outside? Doors and windows that are within work area 2 | P a g e What must we provide to occupants when we perform work outside? A way to go in & out the house What do we do with debris generated during abatement work? Place it in a 6 mil bag or wrap in 6 mil poly What does goose necking a bag mean? Twist top of bag & tape it then double the end over and tape it again What do we do with lean painted components we are removing? Place in 6 mil bags or wrap in 6 mil poly What is meant by daily cleaning? Cleaning up dust & debris in the work area picking up drop cloths What are the three recommended by EPA for final cleaning? Hepa vacuum, Wet clean & Hepa vacuum again Why would we clean from top to bottom? Don't want to re-contaminate our area What kind of vacuum is required for work with lead? Hepa Vacuum What is the thickness of polyethylene used in lead treatment? 6 mil What is the thickness of plastic waste bags used in lead abatement? 6 mil If a heat gun is used, what is the temperature limit of the heat gun 1100 degrees F. What kind of chemical stripper is not allowed? Methylene chloride When sanding a lead based painted surface what must we do? Use wet methods If we use a belt sander or any other kind of power device, what must we use with this equipment? Hepa vacuum attachment What federal law regulates hazardous waste? 5 | P a g e What type of specification is favored by EPA? Means and methods Who is ultimately responsible to correct a lead hazard in a residence? The owner What is a public housing agency? a government entity that owns housing What is vicarious liability? liability for the actions of others What is the difference between contract documents and specifications? Contractor documents are the legal documents. Specifications detail the scope of work. What requirements are typically in the contract documents? Insurance requirements, deadlines, responsibilities of owner and contractor. What requirements are typically included in specifications? Abatement methods required; components needing treatment and occupant protection requirements. What is the problem with a lead abatement contractor performing risk assessments? Conflict of interest What are important traits for a supervisor to communicate to workers? 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? 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? Labor cost, how much time the job will take, will workers become and available and will workers show up What is critical path planning? Establish important steps to complete the work, keep track of each step and establish and meet deadlines What is a community relations plan? a plan on how to communicate with occupants What challenges are presented when abatement work is preformed in an coccupied home? 6 | P a g e Protecting belongings; keeping occupants out of active work areas When do we evaluate our community relations plan? Continually What certification is needed to perform clearance testing on an abatement job Certified inspector or certified risk assessor What is the visual inspection that is performed during clearance activities? 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? None why should the abatement contractor be present when clearance is performed? Transparency Why do inspectors or risk assessors wear gloves when performing dust wipe sampling? to protect the wipes from lead on the persons hands What accreditation is required for the laboratory analyzing dust wipes? National lead laboratory accreditation program How does the inspector determine whether soil abatement has been successfully performed? Soil samples How does the inspector determine whether interim control of soul has been successfully performed? Visual inspection Convert 400 ppm (ug/g) into percentage by weight 0.04% Convert 5,000 ppm into percentage by weight 0.5% What is the chemical symbol for lead PB Characteristics of lead Metal, Gray, Soft, Heavy, Blocks radiation & Toxic What common consumer products could contain lead? 7 | P a g e 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 Durable, drying agent, prevents mold & mildew, provides brightness in color & block radiation What form of lead was used in house-hold paint products White lead What are sources of lead contamination for yards and playgrounds? Roof flashing, leaded gas contamination, industrial emissions & paint dust from homes What is lead-based paint under the Consumer Product Safety Commission? 0.06% by weight When did CPSC ban lead-based paint? 1978 What is lead based paint according to the EPA and HUD 1.0 mg/cm2 What level of lead triggers in OSHA regulations in construction? any detectable amount How can lead enter the body? Eating & Breathing What organs may be damaged by lead in the body? Brain, Central nervous system, kidneys, blood forming system, reproductive system & heart What are symptoms of lead poisoning 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 30 days How long does lead typically remain in soft tissue 30 days How long does lead typically remain in the bones 30 years 10 | P a g e 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? 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? 3 months If exposures are below the action level, the employer must nevertheless perform two additional things to protect workers. What? Provide a hand washing facility & keep the area free of dust & debris When must employers provide its workers information about their monitoring results? 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? Blood test (Biological monitoring) What are the blood testing for? 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? 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? 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? medical removal protection If exposures are above the PEL, what must the employer do first? 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? respiratory protection, full body clothing, shower & clean lunch and break area. What must the employer provide if exposures exceeds 200 ug/m3 Clean clothing every day 11 | P a g e What must an employer provide a worker before the worker is required to wear a respirator? Medical evaluation What is a critical part of the medical evaluation for use of a respiratpor Pulmonary function test What is a fit (seal) check and how often is this done? negative & positive fit check every time you put it on What is a fit test and how often is this done? Test to determine if the respirator leaks every year (once a year) What is included in training in the use of a respirator? 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? 10 What is the protection factor a full-face APR? 50 How do we calculate the maximum use level of a respirator Protection actor multiplied by PEL (Protection factor X PEL) What is the maximum use level of a half face APR? 500 ug/m3 What is the maximum use of a full-face APR 2500 ug/m3 What respirator filter is required for work with lead? Hepa What do we do as we remove full-body protective clothing? Turn clothing inside out When decontaminating ourselves, what is the last thing we remove? Respirator What is Title X Childhood lead poisoning reduction act What did title X require First? 12 | P a g e Identification of lead based paint hazards What did title X require second Control of lead based paint hazards identified What is a lead-based paint inspection? Surface by surface inspection to identify lead based paint & a report What is a lead risk assessment? Identification of lead based hazards & a report What are the two methods to control lead hazards? Abatement & Interim control Define abatement Permanently eliminate lead-based paint hazards Define interim control? Temporary control of lead-based paint hazards What are the four abatement methods? Removal, replacement, enclosure & Encapsulation Name four methods of interim control Education of occupants, paint stabilization, specialized cleaning, mulching of soul What does removal mean? Stripping the paint Name four methods of removal Wet scraping, wet sanding, chemical stripping & use a heat gun Name four methods of removal that are prohibited dry sanding/ scrapping, open flame torching, heat guns over 1100F using methylene chloride What does replacement mean? removing and replacing building components. Name four components commonly replaced windows, doors, rotten stairs, fascia boards What is the best thing to do with a contaminated carpet? remove & replace 15 | P a g e Similar to the construction rule except: it pertains to exposure to lead when it is not Construction Agriculture Factory manufacturing Medical removal is different Return to work level is different Describe blood monitoring requirements If air monitoring is above the action level 30ug/m3 for more than 30 days/year Every 2 months for the first 6 months If above 40ug/dl then back to every 2 months At 50ug/dl- medical removal (if 2 consecutive tests) Recognize the correct wording of lead wording signs DANGER: Lead work area May Damage Fertility or the Unborn Child, Cause Damage to the Central Nervous System, Do Not Eat, Drink, or Smoke in this Area Describe the OSHA construction standards (other than lead regs) -Fall protection -Eye protection -Hazard Communication -Anything having to do with worker protection and construction (including asbestos) Describe the general requirements specified by the OSHA construction standards -Train your people -Monitor the air they're breathing (PEL is 50ug/m3, AL is 30ug/m3) -Take steps to reduce exposure to lead -Do blood monitoring Keep adequate records Describe the exposure monitoring and written compliance plan requirements specified by the OSHA lead in construction standards -Depending on what Class work it is, assume a certain exposure of lead -Adjust respirator after finding out what exposure is -Document what type of work is being done -Exposure below AL (30ug/m3) is considered negative assessment. not repeated until job conditions change -If exposure is above PEL (50ug/m3) monitor every 3 months 16 | P a g e -between 30-50ug/m3, monitor every 6 months -written compliance plan Exposure assessment schedule when assessment reports levels below AL (30ug/m3) Not repeated until job conditions change Exposure assessment schedule if exposure is above PEL (50ug/m3) Every 3 months Exposure assessment schedule if exposure is between AL (30ug/m3) and PEL (50ug/m3) Every 6 months OSHA hazard communication standards (HAZCOM) relevent to Lead Abatement work -Train workers about hazards they're working with and how to respond appropriately -label containers -Distribute MSDS OSHA Action Level for lead 30ug/m3 OSHA Permissible exposure level for lead 50ug/m3 How often do lead abatement supervisors need to take a refresher course? Every 2 years The units used to express lead levels in air ug/m3 The units used to express lead levels in soil ppm The units used to express lead levels in dust ug/sq ft. HUD and EPA post-abatement clearance standards for lead in dust Floor= 40 ug/ft2 Sill= 250 ug/ft2 Well= 400 ug/ft2 Describe the purpose and focus of the HUD guidelines - Provide guidance for federally assisted housing - It has become a standard for the industry 17 | P a g e Why is it important to ensure that worker certification cards and certificates are current? - So they don't have to take the full course again - So that the supervisor doesn't get fined for having people with expired cards on site Wisconsin DHS 163 certification requirements for lead worker Lead safe renovator class Lead abatement work class Submit application and fee to DHS WI DHS 163 certification requirements for supervisor - 1 day lead safe renovator class - One day lead abatement work class and related experience - 2 yrs construction experience or 1 yr as lead worker - 2 day lead abatement supervisor class - Submit application and fee to WI DHS - Pass state exam WI DHS 163 definition of abatement Activity designed to permanently eliminate lead based paint hazards WI DHS 163 definition of lead based paint - 0.5% lead by weight - more than 1.0 mg/cm2 Notification requirements for lead abatement or lead hazard reduction activities - Not less than 2 days before project starts - Notify if there is a change in date within one working day of the original start date - Emergency notification by phone, but DHS has to receive notice in writing within 24 hrs. Which WI regulation covers lead training and certification DHS 163 DHS 163 definition of interim control activity - A measure designed to temporarily reduce human exposure to a lead-based paint hazard Examples: painting, covering with gravel or sod State agency that regulates solid waste storage, transportation and disposal DNR Who are certified by DHS to perform clearance - Lead inspector - Lead Risk Assessor 20 | P a g e Describe the need and techniques to perform daily cleanup in abatement areas Need: to keep a safe work site for employees and OSHA requirement Techniques: Haul waste out of job site and pull up top later of plastic Examples of techniques and equipment used to abate interior dust -HEPA vac -Water -Rags -Disposal Bags Limitation of abating dust from severely contaminated carpets -Lead can go through carpets and come back up -You can HEPA vac (1 min for every 10 sq ft) -You can use a steam cleaner on carpet Identify the tools, materials, methods used for encapsulation -Paintbrush -Encapsulant -Deglosser to prepare surface -Tape to conduct tape test -Mil gauge to measure thickness Describe when abated surfaces should be painted or otherwise sealed After final cleanup but before clearance Describe the proper order for final cleanup -HEPA Vac -Wash -Rinse -Start with the rooms furthest away from the front door and from the top down Cleaning products used for final cleanup procedure -Hot water -Detergent -HEPA vac The correct location of lead warning signs at entrances (# of signs depends on if you are doing a whole building) Describe how to build a containment for exterior abatement work 21 | P a g e -Lay plastic on the ground at least 10 ft in all directions from where you are working and attach to wall of building -Cover windows -Set up a perimeter 10 ft beyond the plastic Describe how to build a containment for interior abatement work -Cover critical barriers -Cover doors, vents, windows -Lay plastic on the floor Restricted paint abatement methods -Heat gun above 1100F -Power washing within containment -Machine sanding/grinding without HEPA -Abrasive blasting -Certain paint stripping -Removing a painted component Why are torch guns or heat guns above 1100F prohibited? -Lead has a low melting point -Creates lead fumes -Lead fumes are easily inhaled Examples of soil abatement -Remove the soil -Cover with concrete/ asphalt Describe how to control lead in exterior dust HEPA vacuum then cover ground with gravel, sod, mulch, or rocks Describe how to package and label hazardous waste -Double bag in six mil bags -Label with the generator's name -Fill out a waste manifest Describe the recommended component removal, enclosure, and encapsulation methods Ways in which dust is reduced: ex. enclosure of siding vs removing it -Duct tape seams on house wrap -Perform tape test and patch test before applying encapsulant What are recommended mechanical paint removal methods? -Power tool with a manufacturer's authorized shroud (cover) to attach to a HEPA vac 22 | P a g e Describe recommended chemical paint removal methods -Use paint stripper that does not contain methylene chloride -Neutralize surface after using the paint stripper When is personal protective clothing and equipment are required? -Required when air lead levels are above PEL -Recommended when below PEL Why may encapsulation fail? -It will deteriorate if applied on friction surfaces -It will not adhere if surfaces are not properly prepared -If there are water/ moisture problems Describe dust sampling techniques and strategies for clearance sampling -Use wipe approved by ASTM -Floors- 40ug/ft2 -Sills- 240ug/ft2 -Wells- 400 ug/ft2 Examples of basic building and architecture components Casing Risers Stair treads Stringer Soffit Fascia Window wells Interior windowsills (stools) Identify fire hazards and ways to prevent them -Lacquer thinner -Spontaneous combustion -Sparks -Heat gun Ways to prevent: - Don't mix rags -Keep waste outside -Limit dusty work practices 25 | P a g e Why may a containment area need mechanical ventilation -To keep lead dust away from the vicinity of workers -High amounts of dust in the air -The containment area gets hot Recognize general issues and responsibilities for worker health and safety -Making sure they wear their respirator -That they inspect their suit -Making sure they don't disregard safe work practices Why and when should the work area be isolated from residents? -All the time -If the kitchen and bathroom are being worked on occupants should leave -If there won't be access to the property the occupants should leave Frequency of medical monitoring of workers -When they first begin work -Every 2 months for the first 6 months -After the first 6 months it changes to every 6 months -if the lead level is above 40ug/dl then it goes back to every 2 months Identify workers who need to medically monitored - Those who will be exposed above 30ug/m3 -Those exposed at the action level for more than 30 days/yr -Those who wear a respirator need to be fit tested What blood lead level is the medical removal limit 50ug/dl and a confirmatory test within 2 wks Can go back to work at 40ug/dl When and how monitoring results must be provided to workers Within 5 working days Must be in writing List lead safe methods that will limit worker lead exposure 26 | P a g e -Using wet methods -Using HEPA vac attachments -Minimizing sawing -Wet sanding Identify the proper areas for storing waste materials In a secure area Why is it important to review the scope of work? -So you can get paid -So that if there are any misunderstandings they can be addressed before the project begins -So that everyone knows what is expected and can complete the job appropriate Identify equipment that will minimize worker lead exposure Suit Respirator Gloves Goggles Boots HEPA vac What are the sources of liability? Criminal liability (violation of a statute) Regulatory liability Civil liability What are two types of civil liability? Tort liability Contract liability What are three parts of tort liability -Duty to act in a reasonable manner -Breach of Duty -Damages What are two types of damage that can result from tort liability? -Property damage -Personal injury 27 | P a g e What are four types of insurance? Workers compensation General liability Errors and omissions Builders risk What are two types of insurance policies? Occurrence Claims made What are three types of bonds? Bid bond Payment bond Performance bond