609 Flashcards

Section 609 certification, once earned by an individual technician, is valid for how long?

Answer: For the lifetime of the technician (no expiration)

Section 609 certification does not expire and remains valid for the technician's career.

Selling small cans of R-134a to do-it-yourself consumers has historically been regulated how at the federal and state level?

Answer: Some states restrict sales and require self-sealing valves to reduce venting

Certain states restrict DIY refrigerant can sales and require self-sealing valves to curb emissions.

What document or record should a shop keep regarding refrigerant purchases and certified technicians?

Answer: Proof of technician certification and refrigerant sales records

Shops should retain technician certification proof and refrigerant transaction records.

If an MVAC system is contaminated with an unknown or mixed refrigerant, what is the proper action?

Answer: Recover it into a separate container for reclamation or disposal

Contaminated refrigerant must be recovered separately and sent for reclamation or disposal.

Which of the following best describes 'recycling' refrigerant in the MVAC context?

Answer: Cleaning refrigerant on-site to SAE standards for reuse in vehicles

Recycling means cleaning refrigerant on-site to SAE purity standards so it can be reused.

What is the difference between 'recycling' and 'reclaiming' refrigerant?

Answer: Reclaiming purifies to new-product (ARI 700) standards, often off-site; recycling is on-site cleaning

Reclaiming restores refrigerant to new-product purity standards, while recycling is basic on-site cleaning.

Why does the EPA require certified equipment and technicians for MVAC service rather than allowing open venting?

Answer: To protect the ozone layer and reduce greenhouse gas emissions under the Clean Air Act

The requirements exist to protect the ozone layer and limit greenhouse emissions under the Clean Air Act.