Ohio Lead Abatement contractor test questions and answers

PPb parts per billion PEL permissible exposure limits: developed by OSHA to indicate the max airborne concentration of a contaminant to which an employee may be exposed over the duration specified by the type of PEL. Ug microgram 30 ug The level of action Hud recommends temporary relocation of residence for jobs lasting more than? 5 conservative days When dust and debris spread beyond blank feet follow high dust methods 6 feet Post warning signs on the building and at a blank perimeter around building less if distance to next building or sidewalk is less than 20 feet Workers must clean when leaving the work area with ? Heap vac Children shall not have access to protective sheeting because Suffocation Hazards Do not conduct work if wind speeds are greater than ____ per hour. If dust and debris can't be adequately contained. 20 ug/ft2 microgram per foot square (dust sampling) ppm (parts per million) parts per million by weight Ppb parts per billionby weight 1,000 = 1 ppm ug/g microgram per gram 30 ug Action Level 40 Ug Allowable blood 50ug Permissible exposure limit Water action level 15 ppb Blood is measured in Deciliter 3 types of specs Performance, means, method Allows you to go less then Federal Requirements Vertical Containment OSHA base everything on? 8 hours twa Twa Time Weighted Average Three Stages 1. Special Cleaning ing and resealing 3. Hepa/wet wash/hepa again OSHA requires cleaning how often Daily Label large debris in 6 mil poly final clearance Floors 10 ug Final Clearance Window sills 100 Window troughs 400 ug TCLP Toxicity Characteristic Leaching Procedure Hazardous waste disposal Licensed disposal site special container muse licensed transporter Mg/cm2