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Iden&fy the materials used for enclosure Drywall vinyl siding plywood paneling caulk and sealant Hazards that exist in residen&al environments Lead dust lead contaminated soil peeling, chipping paint folk remedies Describe how children are typically exposed to lead Hand to mouth ac&vi&es worker take home dust Iden&fy the common routes of worker lead exposure Inhala&on inges&on Describe the basic health effects of lead to workers
CALIFORNIA LEAD
ABATEMENT SUPERVISOR
EXAM QUESTIONS AND
VERIFIED ANSWERS (LATEST
UPDATE 2024/2025)
Stomachache nausea headache memory loss high blood pressure kidney damage Describe the osha ( and other requirements) for lead abatement worker training Info on respirators and their use, types, proper fit medical exams for everyone working with lead describing what your employer is doing to reduce your exposure to lead Describe the rcra regula&ons and regulated informa&on regarding waste disposal for lead abatement projects Commercial/ industrial projects- tested, labeled, hauled correctly residen&al property- household hazardous waste exemp&on Iden&fy the lead rcra defini&ons of hazardous waste and tes&ng procedures Tclp test- toxic characteris&c leaching procedure detects how much lead would leach out of the waste. 5mg/l= hazardous waste lead meets the toxicity part of being a hazardous waste "competent person for health and safety" as defined by osha A person who can iden&fy hazards someone who can take correc&ve ac&on Osha respirator protec&on standards relevant to lead abatement work When above the permissible exposure limit: need to wear hepa filter and any other appropriate filter have a wriSen respiratory program in place
- anything having to do with worker protec&on and construc&on (including asbestos) Describe the general requirements specified by the osha construc&on 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 wriSen compliance plan requirements specified by the osha lead in construc&on standards
- depending on what class work it is, assume a certain exposure of lead
- adjust respirator a[er finding out what exposure is
- document what type of work is being done
- exposure below al (30ug/m3) is considered nega&ve assessment. Not repeated un&l job condi&ons change
- if exposure is above pel (50ug/m3) monitor every 3 months
- between 30-50ug/m3, monitor every 6 months
- wriSen compliance plan Exposure assessment schedule when assessment reports levels below al (30ug/m3) Not repeated un&l job condi&ons 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 communica&on 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 ac&on level for lead 30ug/m Osha permissible exposure level for lead 50ug/m How o[en do lead abatement supervisors need to take a refresher course? Every 2 years The units used to express lead levels in air Ug/m The units used to express lead levels in soil Ppm The units used to express lead levels in dust Ug/sq [. Hud and epa post-abatement clearance standards for lead in dust Floor= 40 ug/[ sill= 250 ug/[ well= 400 ug/[ Describe the purpose and focus of the hud guidelines
- provide guidance for federally assisted housing
- it has become a standard for the industry Why is it important to ensure that worker cer&fica&on cards and cer&ficates are current?
Dhs 163 Dhs 163 defini&on of interim control ac&vity
- a measure designed to temporarily reduce human exposure to a lead-based paint hazard examples: pain&ng, covering with gravel or sod State agency that regulates solid waste storage, transporta&on and disposal Dnr Who are cer&fied by dhs to perform clearance
- lead inspector
- lead risk assessor
- lead hazard inves&gator
- lead sampling technician- only on non-abatement projects Which cer&fied personnel must be present at the abatement site at all &mes? Lead supervisor Who owns the cer&fica&on? The employee How do you determine the expira&on and next training date of a cer&fica&on card? Card expira&on date is on blue card training must be completed by the training date shown on the card Which cer&fied personnel may conduct lead inspec&ons, write inspec&on reports, and conduct clearance tes&ng following a lead hazard reduc&on ac&vity Lead inspector lead risk assessor
Who may conduct lead inspec&ons, write reports, conduct clearance, conduct lead hazard screens and provide op&ons to reduce lead hazards Lead risk assessor Who may oversee or perform lead abatement and hud grand funded lead hazard reduc&on ac&vi&es, develop occupant protec&on plans and write abatement reports? Project designer lead abatement supervisor Name the types of respirators typically needed for residen&al lead abatement jobs and list osha protec&on factors Half face (10) full face (50) full face powered air purifying respirator (1000) full face supplied air (1000) self contained breathing apparatus (scba) (10,000) Osha protec&on factor for half face respirator 10 Osha protec&on factor for full face respirator 50 Osha protec&on factor for full face powered air purifying respirator 1000 Osha protec&on factor for full face supplied air respirator 1000 Osha protec&on factor for self contained breathing apparatus 10, List some personal protec&ve equipment needed for workers during the project, besides respirators
- surfaces that are chewed or mouthed
- peeling or chipping paint
- soil hazards
- fric&on or impact surfaces 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 plas&c Examples of techniques and equipment used to abate interior dust
- hepa vac
- water
- rags
- disposal bags Limita&on of aba&ng dust from severely contaminated carpets
- lead can go through carpets and come back up
- you can hepa vac (1 min for every 10 sq [)
- you can use a steam cleaner on carpet Iden&fy the tools, materials, methods used for encapsula&on
- 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 A[er 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 loca&on 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
- lay plas&c on the ground at least 10 [ in all direc&ons from where you are working and aSach to wall of building
- cover windows
- set up a perimeter 10 [ beyond the plas&c Describe how to build a containment for interior abatement work
- cover cri&cal barriers
- cover doors, vents, windows
- lay plas&c on the floor Restricted paint abatement methods
- heat gun above 1100f
- power washing within containment
- machine sanding/grinding without hepa
- abrasive blas&ng
- certain paint stripping
- removing a painted component
- required when air lead levels are above pel
- recommended when below pel Why may encapsula&on fail?
- it will deteriorate if applied on fric&on 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/[
- sills- 240ug/[
- wells- 400 ug/[ Examples of basic building and architecture components Casing risers stair treads stringer soffit fascia window wells interior windowsills (stools) Iden&fy fire hazards and ways to prevent them
- lacquer thinner
- spontaneous combus&on
- sparks
- heat gun ways to prevent:
- don't mix rags
- keep waste outside
- limit dusty work prac&ces Iden&fy slip, trip, fall hazards and suggest ways to prevent them
- electrical chords
- debris preven&on:
- pickup debris throughout the day
- keep things organized Iden&fy heat related health hazards and suggest ways to prevent them
- tyvek suits
- lack of ven&la&on
- working outside preven&on:
- take breaks
- water
- start early in day
- work in shade Why would you collect pre-abatement (baseline) soil or exterior dust samples?
- liability
- document what existed before project begins
- wear suits
- wash hands and face before going home
- take a shower
- change clothes Why is it important to shut down and seal the hvac system? So that the rest of the house isn't contaminated by dust circula&ng through the hvac Why should there be a decontamina&on unit for workers?
- so they don't bring lead dust to their cars or home Explain why it is necessary for copies of the health and safety program to be present at the worksite
- so employees are prepared for different situa&ons
- so they know where to locate phone numbers
- so they know what types of situa&on to an&cipate Describe the decontamina&on procedures that should be discussed with workers during rou&ne safety and health mee&ngs
- wash hands before ea&ng
- keep respirators on while working
- washing the inside and outside of respirators Describe general work prac&ce issues to discuss with workers during health and safety mee&ngs
- using a hepa vac
- using wet methods
- reducing lead exposure Explain the importance of checking that containment is secure
- so that the rest of the property is not contaminated
- so that you do not have to clean more than necessary
- to prevent water damage Why may a containment area need mechanical ven&la&on
- 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 responsibili&es for worker health and safety
- making sure they wear their respirator
- that they inspect their suit
- making sure they don't disregard safe work prac&ces Why and when should the work area be isolated from residents?
- all the &me
- 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
- a[er 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 Iden&fy workers who need to medically monitored
Suit respirator gloves goggles boots hepa vac What are the sources of liability? Criminal liability (viola&on 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 What are four types of insurance?
Workers compensa&on 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 Background informa&on on lead give examples of "lead-based paint hazards" and other common sources of lead in residen&al environments. Surfaces that are chewed or mouthed peeling paint chipping paint soil hazards fric&on surface impact surface Common sources of lead in residen&al environments Windows doors
