WI Lead Risk Assessor Exam questions with answers.

WI Lead Risk Assessor Exam questions
|\ |\ |\ |\ |\ |\




with answers |\




EPA and WI DHS Lead Based Paint Definition - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\


ANSWERS ✔✔≥0.5% |\




≥1.0 mg/cm2 |\




Nationally houses built before 1978_______ have lead based pain -
|\ |\ |\ |\ |\ |\ |\ |\ |\


CORRECT ANSWERS ✔✔75%
|\ |\ |\




XRF - CORRECT ANSWERS ✔✔X-ray fluorescence
|\ |\ |\ |\ |\




Factors that should be considered for XRF: - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\


✔✔- Substrate Correction
|\ |\




- inconclusive range
|\ |\




- measuring K & L shell reading
|\ |\ |\ |\ |\ |\




What year was lead based paint banned? - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\


✔✔1978


Only _______ areas that are in the scope of work from the
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\


contractor - CORRECT ANSWERS ✔✔testing areas|\ |\ |\ |\ |\




Sampling requirements for Inside a home - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\ |\ |\


✔✔Visual inspection |\

,Less than 4 rooms = sampling all rooms
|\ |\ |\ |\ |\ |\ |\




More than 4 rooms = minimum of four rooms sampled
|\ |\ |\ |\ |\ |\ |\ |\ |\




Each room should have sampled: Floor Alternate between the
|\ |\ |\ |\ |\ |\ |\ |\ |\


tough and window sill |\ |\ |\




_______% confident for room amount with big complexes, with lots
|\ |\ |\ |\ |\ |\ |\ |\ |\


of rooms - CORRECT ANSWERS ✔✔95%
|\ |\ |\ |\ |\ |\




Wait how long after any cleanup has been done - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\


ANSWERS ✔✔an hour |\ |\




Sampling requirements for outside a home - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\ |\ |\


✔✔-Have to do a visual inspection. |\ |\ |\ |\ |\




-Doesn't specify dust wipe sampling outside
|\ |\ |\ |\ |\




-No requirements to have porch floor dust wiped - HUD requires it
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\


for particular projects so it is expected to be done
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\




-Soil Samples |\




Sampling requirements for soil samples (and max levels) -
|\ |\ |\ |\ |\ |\ |\ |\ |\


CORRECT ANSWERS ✔✔3-10 composite samples in drip line
|\ |\ |\ |\ |\ |\ |\




400 ppm is the threshold for children areas
|\ |\ |\ |\ |\ |\ |\




1200 ppm for all other areas
|\ |\ |\ |\ |\




HUD paint chip recommended size - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\ |\


✔✔Recommended HUD paint chip size is 2" X 2" |\ |\ |\ |\ |\ |\ |\ |\

, What type of investigations can Lead risk assessor do - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\


ANSWERS ✔✔- clearances
|\ |\ |\




- full inspection
|\ |\




- lead partial inspection
|\ |\ |\




- lead-free inspections
|\ |\




- EBL|\




- Hazard Screening
|\ |\




- Lead-safe Investigations
|\ |\




How often should a leak/wipe test be done, and why? - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\


ANSWERS ✔✔every 6 months - this checks to see if there are
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\


leaks in the radioactive source shield
|\ |\ |\ |\ |\




How often should you calibrate the XRF machine? - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\


ANSWERS ✔✔At the beginning, every fours, and at the end
|\ |\ |\ |\ |\ |\ |\ |\ |\




NIST - CORRECT ANSWERS ✔✔(National Institute of Standards
|\ |\ |\ |\ |\ |\ |\ |\


and Technology)|\




Set the SRM
|\ |\




Performance Characteristic Sheet (PCS) - CORRECT ANSWERS |\ |\ |\ |\ |\ |\ |\


✔✔Provides important information on how to use the specific XRF |\ |\ |\ |\ |\ |\ |\ |\ |\




SRM - CORRECT ANSWERS ✔✔(Standard Reference Material)
|\ |\ |\ |\ |\ |\ |\


closest to 1.0 mg/cm2 and used to calibrate the machine
|\ |\ |\ |\ |\ |\ |\ |\ |\