CHMM Disposition of Hazardous Materials 4

Question 1

A facility plans to thermally treat hazardous waste in a boiler to recover energy. Under what conditions is this considered legitimate recycling rather than sham recycling?

Accepted Answer

The waste must have a heating value of at least 5,000 BTU/lb and be used as a fuel in a boiler

Answer

EPA's legitimacy criteria require, among other things, that hazardous waste burned for energy recovery have a meaningful heating value (≥5,000 BTU/lb) and be used as a fuel.

Question 2

Which type of hazardous waste storage unit requires secondary containment, leak detection, and a liner under 40 CFR Part 264 Subpart J?

Accepted Answer

Surface impoundment

Answer

Surface impoundments under 40 CFR 264 Subpart K must have double liners, a leachate collection system, and groundwater monitoring.

Question 3

What is the regulatory status of hazardous waste that has been delisted by EPA?

Accepted Answer

It is no longer subject to RCRA Subtitle C regulation for the specific waste from the specific facility

Answer

A delisted waste is no longer considered hazardous under RCRA for that specific waste stream from that specific facility, removing it from Subtitle C regulation.

Question 4

Under TSCA Section 6, EPA required phased elimination of polychlorinated biphenyls (PCBs). What is the general disposal standard for PCB concentrations ≥500 ppm?

Accepted Answer

Incineration in an approved incinerator or high-efficiency boiler

Answer

PCBs at concentrations ≥500 ppm must be incinerated in an EPA-approved incinerator or approved high-efficiency boiler under 40 CFR 761.

Question 5

A TSDF's closure plan must address all of the following EXCEPT:

Accepted Answer

Annual financial audits submitted to EPA

Answer

Closure plans must address waste disposition, decontamination, and financial assurance, but do not require annual financial audits to EPA during closure.

CHMM - Certified Hazardous Materials Manager Practice Test

CHMM - Certified Hazardous Materials Manager Practice Test

CHMM Disposition of Hazardous Materials 4