EPA Lead exam 2022/2023 with 100% correct answers

1%= ___ppm 10,000 Allowable amount of lead in dry surface paint wit hXRF 1.0mg/cm2 allowed quantity of lead in dry surface paint with paint chip testing 5000ppm = 5% by weight dust clearance for floors 40 ug/ft2 dust clearance window sills 250ug/ft2 dust clearance for wells 400 ug/ft2 dust clearance for outside concrete 800 ug/ft2 clearance for in soil high contact 400 ppm clearnce for soil in low contact areas 1200 ppm allowable lead in water 15 ppb or 15mg/L Lead level of concern in kids 5ug/dl niosh bll of concern 25 ug/dl OSHA lead allowable lead level 40 ug/dl Osha medical removal 50ug/dl Lead % allowed in paint 1978 0.06% or 600ppm Lead allowed in paint as of 2009 0.009% or 90ppm Hazardous waste toxic characteristic leaching procedure TCLP 5 ppm TSCA Title IV, Section 402/404 Rule directed EPA to develop training and certification requirements for lead professionals & indviduals performing risk assessment True or False EPA's debris rule advises contractors that lead waste generated during renovation and remodeling of residential housing is now waived from RCRA's rule and can be disposed of as municipal waste True True or False Section 1012/1013 within Title X are sections referring to HUD rules True Are lead inspections mandatory in pre 1978 housing? NO T/F there is no established time frame for abatement of lead based paint in housing. However, all lead-based paint hazards must be abated from a target house when the project is funded in the amount of $25,000 or more through HUD True T/F The most recent ruling by the CDC is that a child is suffering a health risk at just 5 ug/dL of lead in the blood but the risk of death can occur from 80 ug/dL or higher. True T/F Clearance test are performed by taking XRF readings in any 4 rooms of the house where the abatement or renovations took place. False T/F It is wise for inspectors to be trained in respiratory protection standards but it is not mandatory for EPA lead inspectors True What should an assessor wear at a minimum to perform inspection/risk assessment of a pre 1978 home? booties and rubber gloves An abatement project has been scheduled in a 1950's house. Is a risk assessment required by Title X law before work begins? no The standard procedure for taking a dust sample must include these steps layout the sample area; measure 1/10 to 1 square foot; prepare the tube; place gloves on; properly wipe the sample area in a "S" motion with an approved wipe; place folded wipe in a sampling tube; clean up sampling materials. Why are dust samples taken? to identify lead paint hazards; to see if the contractor cleaned up properly after renovation; to identify a dust hazard from lead that may not be paint No one should operate the XRF analyzer until t they have received radiation safety training What does a performance characteristic sheet for an XRF instrument determine? XRF specified range; results that are positive, negative, and inconclusive; calibration check tolerances A testing combination is a An abbreviated test can be performed when the owner agrees; all components tested are the same in each room equivalent; the component tested is positive for lead based paint in the first five rooms tested. Dust wipe media must meet what criteria? ASTM E 1792 laboratory criteria What is the procedure for clean up of lead dust after abatement or renovation? HEPA vacuum, wet clean, HEPA vacuum again T/F The inspector also tests soil and dust for lead contamination as part of a clearance test True What is Title X Residential Lead Hazard Reduction Act of the Community Development and Housing Act of 1992 HUD estimates how many homes contain lead-based paint? 64 million Deteriorated paint any interior or exterior paint that is peeling, chipping, chalking, or cracking, or is located on an interior or exterior surface or fixture that is damaged or deteriorated accessible surface surface that protrudes from the surrounding area to the extent that a child can chew the surface and is within three feet of the floor or ground friction surface an interior or exterior surface that is subject to abrasion or friction (certain window, floor, and stair surfaces) PHA Public Housing Authority IHA indian housing authority PHAs and IHAs must abate lead based paint in pre-1978 family developments equal to or greater than 1.0 mg/cm2 using XRF, or 0.5% (5000 ppm) using lab methods Deciliter a metric measure of volume equal to one-tenth of a liter. Less than a half cup blood lead level is the best at what? evaulating lead exposure to the body 1st step in treating lead poisoning remove the person from further exposure Romans used lead for constructing? Aqueducts