CPII Safety & Environmental Compliance 4

Question 1

A water main replacement project generates excavated soil with elevated lead concentrations. Under RCRA, what is the first step to determine proper disposal?

Accepted Answer

Conduct a hazardous waste determination through characterization or knowledge

Answer

RCRA requires a hazardous waste determination—through sampling/analysis or process knowledge—before any waste material can be properly classified and disposed of.

Question 2

What personal protective equipment (PPE) hierarchy principle should an infrastructure inspector apply when evaluating worker safety controls on a project?

Accepted Answer

Engineering controls, then administrative controls, then PPE as last resort

Answer

OSHA's hierarchy of controls prioritizes elimination, substitution, engineering controls, administrative controls, and PPE in that order—PPE is always the last line of defense.

Question 3

Under the Endangered Species Act (ESA), what must a federal agency do when a proposed infrastructure project may affect a listed threatened or endangered species?

Accepted Answer

Conduct formal or informal consultation with the U.S. Fish and Wildlife Service

Answer

Section 7 of the ESA requires federal agencies to consult with USFWS or NMFS to ensure their actions do not jeopardize listed species or destroy critical habitat.

Question 4

An inspector finds active asbestos-containing material (ACM) disturbed during a water line replacement in a building built in 1975. Which EPA regulation governs notification and work practice requirements?

Accepted Answer

EPA NESHAP 40 CFR Part 61 Subpart M

Answer

EPA's National Emission Standard for Hazardous Air Pollutants (NESHAP) for asbestos at 40 CFR Part 61 Subpart M requires notification and work practice standards during demolition and renovation.

Question 5

A trench 6 feet deep in Type C soil must be sloped to prevent cave-in. What is the minimum allowable slope ratio for Type C soil per OSHA standards?

Accepted Answer

1½:1 (H:V)

Answer

OSHA requires Type C soil—the least stable classification—to be sloped at a minimum ratio of 1½ horizontal to 1 vertical (1½:1).

(CPII) Certified Public Infrastructure Inspector Practice Test

(CPII) Certified Public Infrastructure Inspector Practice Test

CPII Safety & Environmental Compliance 4