CES Solid and Hazardous Waste 2

Question 1

Under RCRA, which characteristic makes a solid waste 'hazardous' based on its ability to corrode metal containers?

Accepted Answer

Corrosivity

Answer

Corrosivity is defined as a pH ≤2 or ≥12.5, or the ability to corrode steel at a rate >6.35 mm/year.

Question 2

A facility generates 150 kg of hazardous waste per month. Under RCRA, this facility is classified as a:

Accepted Answer

Small Quantity Generator (SQG)

Answer

Small Quantity Generators (SQGs) generate between 100 kg and 1,000 kg of hazardous waste per calendar month.

Question 3

Which federal law specifically governs the cleanup of abandoned hazardous waste sites using a Superfund trust?

Accepted Answer

CERCLA

Answer

CERCLA (Comprehensive Environmental Response, Compensation, and Liability Act) established the Superfund program for remediation of contaminated sites.

Question 4

In a TCLP (Toxicity Characteristic Leaching Procedure) test, what does the procedure simulate?

Accepted Answer

Leaching of contaminants in a municipal landfill environment

Answer

TCLP simulates leaching conditions in a co-disposal municipal solid waste landfill to determine if a waste exhibits the toxicity characteristic.

Question 5

Which type of landfill liner system is required for RCRA Subtitle C (hazardous waste) landfills?

Accepted Answer

Double liner with leachate collection between liners

Answer

RCRA Subtitle C requires a double liner system with a leachate collection and removal system (LCRS) between the two liners.

(CES) Certified Environmental Scientist Practice Test

(CES) Certified Environmental Scientist Practice Test

CES Solid and Hazardous Waste 2