Xrf x ray fluorescence - Study guides, Class notes & Summaries

EPA LEAD INSPECTOR FINAL EXAM QUESTIONS WITH VERIFIED ANSWERS 2024/2025 | SOLVED. 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 mus...

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 ...

2024 WI Lead Risk Assessor Exam with Verified Solutions EPA and WI DHS Lead Based Paint Definition - Answer -≥0.5% ≥1.0 mg/cm2 Nationally houses built before 1978_______ have lead based pain - Answer -75% XRF - Answer -X-ray fluorescence Factors that should be considered for XRF: - Answer -- Substrate Correction - inconclusive range - measuring K & L shell reading What year was lead based paint banned? - Answer -1978 Only _______ areas that are in the scope of work from the contrac...

Lead-based paint (LBP) - CORRECT ANS 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 - CORRECT ANS - 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...

EPA LEAD INSPECTOR EXAM QUESTIONS WITH 100% VERIFIED ANSWERS 2024/2025. 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/...

EPA and WI DHS Lead Based Paint Definition - ≥0.5% ≥1.0 mg/cm2 Nationally houses built before 1978_______ have lead based pain - 75% XRF - X-ray fluorescence Factors that should be considered for XRF: - - Substrate Correction - inconclusive range - measuring K & L shell reading What year was lead based paint banned? - 1978 Only _______ areas that are in the scope of work from the contractor - testing areas Sampling requirements for Inside a home - Vi...

EPA and WI DHS Lead Based Paint Definition ≥0.5% ≥1.0 mg/cm2 Nationally houses built before 1978_______ have lead based pain 75% XRF X-ray fluorescence Factors that should be considered for XRF: - Substrate Correction - inconclusive range - measuring K & L shell reading What year was lead based paint banned? 1978 Only _______ areas that are in the scope of work from the contractor testing areas Sampling requirements for Inside a home Visual...

1978 Consumer Product Safety Commission banned residential use of LBP for buildings built after _______? Why is Lead a problem? -Toxin, no use or value in body -Not recognized by body as toxic -Replaces essential materials (i.e. iron and calcium) -Accumulates in body Lead enters body through... -Inhalation -Ingestion Well-nourished children absorb_______ of ingested lead 50% Adults absorb _____ of ingested lead 10% How long does lead stay in the blood?...

Lead-based paint (LBP) - correct 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 - correct 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...