EPA RISK ASSESSOR MAIN EXAM 2025/2026 QUESTIONS
WITH SOLUTIONS GRADED A+
✔✔• EBL Is 20ug/dl or persistent 15ug/dl. Level of concern is 10ug/dl - ✔✔
✔✔• Six motivating factors - ✔✔
✔✔1.Legal or insurance requirements - ✔✔
✔✔2.property disposition - ✔✔
✔✔3.liability issues - ✔✔
✔✔4.preventive measures for children at risk - ✔✔
✔✔5.preventative measures prize or renovation or remodeling - ✔✔
✔✔6. response to a child with elevated blood lead levels - ✔✔
✔✔• Large surface areas - ✔✔fair 10ft or less. Poor is more than 10ft
✔✔• Interior Components walls ceilings floors doors - ✔✔fair is less than 2ft more than
2ft
✔✔• Int and Ext components with small surface areas windows baseboards trim -
✔✔fair is less than 10% poor is more than 10 %
✔✔• Surace coat failure- top layer of paint is flaking, peeling, or otherwise - ✔✔
✔✔• Multi coat failure - top layers and other coatings - ✔✔
✔✔• Paint failure - paint showing substrate - ✔✔
✔✔• Paint absorbing - paint is rubbing - ✔✔
✔✔• Chipped paint - pieces of paint are loosened or broken - ✔✔
✔✔• Bare Residential Soil- ground underneath swing sets, sandboxes, foundation drip
line, ground under porches, discharge from downspouts - ✔✔
✔✔• Paint chip sampling or XRF testing only when poor or fair - ✔✔
✔✔• Dust lead is the strongest lead predictor - ✔✔
, ✔✔• Loading (area concentration) (ug/ft2 or ug/cm2) dust samples preferred method -
✔✔
✔✔• Mass concentration (ug/g. Ppm, or mg/kg) by weight vacuum - ✔✔
✔✔• Dust sampling 4x4 square S motion and then top to bottom ASTM method is 3
including sides - ✔✔
✔✔• - ✔✔
✔✔• Spiked Samples must fall within 80 to 120 percent of the true value - ✔✔
✔✔• - ✔✔
✔✔• Single surface wipe sample when levels are needs for a specific location - ✔✔
✔✔• - ✔✔
✔✔• Composite when controlling costs are essential and multiple rooms are about the
same - ✔✔
✔✔• - ✔✔
✔✔• Six to Eight dust samples for each dwelling - ✔✔
✔✔• - ✔✔
✔✔• 4 wipes max in a single composite sample - ✔✔
✔✔• - ✔✔
✔✔• Soil Levels are always measured in micrograms of lead per gram of soil ug/g - ✔✔
✔✔• - ✔✔
✔✔• 400 ug/g is high contact play areas, 1200 ug/g other residential yard areas
5000ug/g permanent abatement - ✔✔
✔✔• - ✔✔
✔✔• ½ Inch should be collected of soil - ✔✔
WITH SOLUTIONS GRADED A+
✔✔• EBL Is 20ug/dl or persistent 15ug/dl. Level of concern is 10ug/dl - ✔✔
✔✔• Six motivating factors - ✔✔
✔✔1.Legal or insurance requirements - ✔✔
✔✔2.property disposition - ✔✔
✔✔3.liability issues - ✔✔
✔✔4.preventive measures for children at risk - ✔✔
✔✔5.preventative measures prize or renovation or remodeling - ✔✔
✔✔6. response to a child with elevated blood lead levels - ✔✔
✔✔• Large surface areas - ✔✔fair 10ft or less. Poor is more than 10ft
✔✔• Interior Components walls ceilings floors doors - ✔✔fair is less than 2ft more than
2ft
✔✔• Int and Ext components with small surface areas windows baseboards trim -
✔✔fair is less than 10% poor is more than 10 %
✔✔• Surace coat failure- top layer of paint is flaking, peeling, or otherwise - ✔✔
✔✔• Multi coat failure - top layers and other coatings - ✔✔
✔✔• Paint failure - paint showing substrate - ✔✔
✔✔• Paint absorbing - paint is rubbing - ✔✔
✔✔• Chipped paint - pieces of paint are loosened or broken - ✔✔
✔✔• Bare Residential Soil- ground underneath swing sets, sandboxes, foundation drip
line, ground under porches, discharge from downspouts - ✔✔
✔✔• Paint chip sampling or XRF testing only when poor or fair - ✔✔
✔✔• Dust lead is the strongest lead predictor - ✔✔
, ✔✔• Loading (area concentration) (ug/ft2 or ug/cm2) dust samples preferred method -
✔✔
✔✔• Mass concentration (ug/g. Ppm, or mg/kg) by weight vacuum - ✔✔
✔✔• Dust sampling 4x4 square S motion and then top to bottom ASTM method is 3
including sides - ✔✔
✔✔• - ✔✔
✔✔• Spiked Samples must fall within 80 to 120 percent of the true value - ✔✔
✔✔• - ✔✔
✔✔• Single surface wipe sample when levels are needs for a specific location - ✔✔
✔✔• - ✔✔
✔✔• Composite when controlling costs are essential and multiple rooms are about the
same - ✔✔
✔✔• - ✔✔
✔✔• Six to Eight dust samples for each dwelling - ✔✔
✔✔• - ✔✔
✔✔• 4 wipes max in a single composite sample - ✔✔
✔✔• - ✔✔
✔✔• Soil Levels are always measured in micrograms of lead per gram of soil ug/g - ✔✔
✔✔• - ✔✔
✔✔• 400 ug/g is high contact play areas, 1200 ug/g other residential yard areas
5000ug/g permanent abatement - ✔✔
✔✔• - ✔✔
✔✔• ½ Inch should be collected of soil - ✔✔
