CEI CEI Hazardous Materials & Remediation

Question 1

Which federal law primarily governs the cleanup of uncontrolled hazardous waste sites in the United States?

Accepted Answer

CERCLA

Answer

CERCLA (Superfund) authorizes federal cleanup of uncontrolled hazardous waste sites and establishes liability for responsible parties.

Question 2

What does the term 'NAPL' refer to in environmental remediation?

Accepted Answer

Non-Aqueous Phase Liquid

Answer

NAPL (Non-Aqueous Phase Liquid) refers to organic liquids that do not readily dissolve in water and are commonly found as subsurface contaminants.

Question 3

Which personal protective equipment (PPE) level provides the highest degree of respiratory and skin protection at a hazardous site?

Accepted Answer

Level A

Answer

Level A PPE includes a fully encapsulating chemical protective suit with SCBA and is required when the highest level of respiratory and skin protection is needed.

Question 4

What is the primary purpose of a Remedial Investigation/Feasibility Study (RI/FS) under CERCLA?

Accepted Answer

To characterize site conditions and evaluate cleanup alternatives

Answer

An RI/FS characterizes the nature and extent of contamination and evaluates potential cleanup alternatives to support remedy selection.

Question 5

Which type of soil remediation technology uses electrical current to move contaminants through saturated soil toward electrodes for removal?

Accepted Answer

Electrokinetic remediation

Answer

Electrokinetic remediation applies low-level direct current to move ionic contaminants and water through low-permeability soils toward extraction electrodes.

CEI - Certified Environmental Inspector Practice Test

CEI - Certified Environmental Inspector Practice Test

CEI CEI Hazardous Materials & Remediation