WRT CERTIFICATION EXAM 2026
COMPREHENSIVE STUDY GUIDE WITH
VERIFIED SOLUTIONS
◉Hazard Assessment. Answer: primary responsibility during initial
inspection is conducting a
◉IEP. Answer: Indoor Environmental Professional
◉Biological contamination. Answer: Water losses may involve
◉Susceptible High Risk Population. Answer: elderly infants
convalescents immunocompromised
◉Categories of Water. Answer: range of biological contamination in
water considering both original source and quality after contacting
materials
◉Category 1. Answer: originates from sanitary water source
, ◉Category 2. Answer: water that contains significant contamination
and potential to cause discomfort or sickness if contacted or
consumed
◉Category 3. Answer: Water grossly contaminated and contain
harmful agents and cause significant reactions if contacted or
consumed
◉Category 3 Water Loss requires. Answer: Full face respirator and
full PPE
◉Lead Based Paint and Asbestos. Answer: two of the most common
hazardous materials found in structures
◉Wet drywall on ceilings that's sagging must be. Answer: drained,
removed, and properly disposed
◉Technicians must be. Answer: medically evaluated, fit tested, and
trained
◉Don. Answer: Respirator, Gloves, Tyvek
◉Doff. Answer: Tyvek, Respirator, Gloves
COMPREHENSIVE STUDY GUIDE WITH
VERIFIED SOLUTIONS
◉Hazard Assessment. Answer: primary responsibility during initial
inspection is conducting a
◉IEP. Answer: Indoor Environmental Professional
◉Biological contamination. Answer: Water losses may involve
◉Susceptible High Risk Population. Answer: elderly infants
convalescents immunocompromised
◉Categories of Water. Answer: range of biological contamination in
water considering both original source and quality after contacting
materials
◉Category 1. Answer: originates from sanitary water source
, ◉Category 2. Answer: water that contains significant contamination
and potential to cause discomfort or sickness if contacted or
consumed
◉Category 3. Answer: Water grossly contaminated and contain
harmful agents and cause significant reactions if contacted or
consumed
◉Category 3 Water Loss requires. Answer: Full face respirator and
full PPE
◉Lead Based Paint and Asbestos. Answer: two of the most common
hazardous materials found in structures
◉Wet drywall on ceilings that's sagging must be. Answer: drained,
removed, and properly disposed
◉Technicians must be. Answer: medically evaluated, fit tested, and
trained
◉Don. Answer: Respirator, Gloves, Tyvek
◉Doff. Answer: Tyvek, Respirator, Gloves