CAR Appliance Recycler Safety & Hazardous Material Handling 2

Question 1

Which federal regulation governs the proper handling and disposal of refrigerants recovered from household appliances?

Accepted Answer

EPA Section 608 of the Clean Air Act

Answer

OSHA 29 CFR 1910.120

Answer

RCRA Subtitle C

Answer

DOT 49 CFR Part 173

Question 2

When draining motor oil from a washing machine gearcase, what is the minimum PPE required?

Accepted Answer

Full face shield, nitrile gloves, and chemical-resistant apron

Answer

Safety glasses only

Answer

Nitrile gloves and safety glasses

Answer

Steel-toed boots only

Question 3

A recycler receives a chest freezer containing an unknown white crystalline substance inside the food compartment. The first action should be to:

Accepted Answer

Isolate the unit and report to the site supervisor

Answer

Proceed with dismantling since food residue is not hazardous

Answer

Smell the substance to help identify it

Answer

Rinse the compartment with water before processing

Question 4

Which refrigerant, commonly found in older window air conditioners, has the highest ozone depletion potential (ODP)?

Accepted Answer

R-22

Answer

R-410A

Answer

R-134a

Answer

R-600a

Question 5

What is the correct disposal method for capacitors removed from microwave ovens that may still hold a charge?

Accepted Answer

Discharge using an insulated screwdriver across the terminals, then dispose as scrap metal

Answer

Place directly in the scrap metal bin

Answer

Submerge in water to dissipate the charge

Answer

Leave them in a cardboard box for 24 hours before disposal

Question 6

Under EPA rules, recovered refrigerant must be stored in containers that are:

Accepted Answer

DOT-approved recovery cylinders color-coded gray with yellow tops

Answer

Any clean plastic bucket with a lid

Answer

Standard compressed gas cylinders painted any solid color

Answer

Cardboard drums lined with plastic sheeting

Question 7

A technician notices a strong ammonia odor while processing a commercial refrigerator unit. The correct immediate response is to:

Accepted Answer

Ventilate the area and evacuate until the source is identified

Answer

Continue working while wearing a dust mask

Answer

Pour baking soda on the source area to neutralize the odor

Answer

Increase fan speed to disperse the fumes