Environmental Standards Flashcards
7 cards from real CBI practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Environmental Standards flashcards as text
During an exterior inspection, a capped pipe protruding from the yard near an older home most likely indicates what environmental concern?
Answer: A possible underground oil storage tank
Fill and vent pipes in the yard often mark an abandoned or active buried fuel tank.
Which observation most strongly suggests a failing septic drain field?
Answer: Soggy soil and unusually lush grass over the field
Effluent surfacing over the field saturates soil and fertilizes grass.
What minimum separation between a private well and a septic drain field is commonly recommended by many health departments?
Answer: 100 feet
Many jurisdictions require about 100 ft between a well and a drain field, though local rules vary.
Which flooring material found in older homes is commonly suspected of containing asbestos?
Answer: 9-inch by 9-inch vinyl floor tiles
9x9 vinyl tiles and their black mastic often contain asbestos.
Which is a common entry point for radon into a home?
Answer: Open sump pits and foundation cracks
Radon enters through openings in contact with soil, like sump pits and slab cracks.
An inspector holds a smoke source at a gas water heater's draft hood and sees smoke roll into the room. What does this indicate?
Answer: Backdrafting, a carbon monoxide hazard
Spillage at the draft hood means combustion gases, including CO, are entering the living space.
A long-term radon test, which better reflects year-round average levels, must run for more than how many days?
Answer: 90 days
EPA defines long-term radon tests as lasting more than 90 days.