EPA Lead Inspector 2025/2026 Exam Questions And Answers | Graded A+

EPA Lead Inspector 2025/2026 Exam Questions And Answers | Graded A+ Lead-based paint (LBP) - answer-Any varnish, shallac, or coating that contains either- 1.0 mg/cm2 - 0.5 % by weight - 5000 ppm - Older instruments could not read accurately at 0.7, so the lead standard was updated to 1.0 Dust sample clearance values - answer-- Floors: 40 μg/ft2 > 10 μg/ft2 (10 μg/ft2 in NY) - Windows: 250 μg/ft2 > 100 μg/ft2 (50 μg/ft2 in NY) - Window wells (troughs): 400 μg/ft2 (100 μg/ft2 in NY) - Samples must be at 1 sq ft > 2 sq ft (can be reduced to 1 sq ft if within 10 μg) EPA Soil Regulations - answer-- 400 ppm for playgrounds/children's areas - 1200 ppm for rest of yard - There must be 9 sq ft of soil to classify with soil testing - At 5000 ppm, MUST remediate/abate (remove & replace, paving, or bioremediation) Lab sampling technique - answer-- AAS (Atomic Absorption Spectrometry) - Sample is placed into a furnace and vaporized ... light is shone through to give a quantitative result XRF - answer-- X-ray fluorescence - Utilizes radioactive isotopes (unstable material trying to reach stability) - Cobalt-57 (half-life of 9 months) and cadmium-109 (half-life of 15 months) are the two sources (where radiation originates) - Emits gamma rays but will read X-rays (backscatters) - Ionizing radiation from the removal of electrons due to interactions with radiation LBP Hazard - answer-ANY condition that causes exposure to lead LBP inspection - answer-a surface-by-surface investigation to determine the presence of lead CPSC - answer-- Consumer Product Safety Commission - Set a lead paint standard: cannot contain 0.06% lead by weight ... updated to 0.009% - The commission banned lead-based paint in 1978True/False: Dust sampling only done for hazard assessments - answer-True; only risk assessors take samples to determine likelihood of coming into contact with contaminants What kind of sampling must be done for inspections? - answer-Random ... repeats must be annotated then you move onto the next HUD Guidelines for abatement - answer-Must last 20 years. Includes the following procedures: - Removal - Enclosure - Replacement - Encapsulation Painting over is a temporary fix! Water standards for lead - answer-- 15 ppb under the Clean Water Act (CWA) - 5 ppb under the FDA standard (bottled water) *These are the ONLY instances where ppb is used Why was lead used so much? - answer-- Durable - Colorful - Anti-corrosive - Anti-fungal - Drying agent What does RRP do? - answer-- Renovation, Repairing, and Painting program - Provided enforcement to Title X in 2010 ... $37,500 fines for violation - Dust sampling technicians can only sample for RRP projects What must you do if a pre-1978 site is not tested? - answer-Presume lead-based paint. Where is LBP still allowed? - answer-Commercial purposes/boats