Industry Standards and Regulations Flashcards

Under ASHRAE Standard 15, what is the maximum allowable refrigerant concentration limit (RCL) used to determine if a machinery room is required?

Answer: The refrigerant concentration that would occur if the entire system charge were released into the occupied space

The RCL is calculated by dividing the total system refrigerant charge by the volume of the smallest occupied space to determine if that concentration exceeds safety thresholds.

Which federal agency enforces the Clean Air Act Section 608 regulations governing refrigerant handling by commercial food equipment technicians?

Answer: EPA

The U.S. Environmental Protection Agency (EPA) enforces Section 608 of the Clean Air Act, which regulates refrigerant recovery, recycling, and reclamation.

A food establishment is cited for having a reach-in cooler that does not maintain proper temperature. Which regulatory body most likely issued the citation?

Answer: Local health department

Local or state health departments conduct inspections of food service establishments and cite violations of food safety codes including temperature requirements.

What does the UL listing mark on commercial food equipment indicate?

Answer: The equipment has been tested and certified to meet specific safety standards by Underwriters Laboratories

The UL listing mark indicates that Underwriters Laboratories has tested the product and determined it meets established safety requirements.

Per OSHA 29 CFR 1910.147 (Lockout/Tagout), when must a service technician apply a personal lockout device to commercial food equipment?

Answer: Whenever unexpected energization or release of stored energy could cause injury during servicing

LOTO is required any time servicing or maintenance could expose a worker to unexpected energization, startup, or release of stored energy regardless of voltage level.

Which NSF standard specifically governs the design and construction of commercial warewashing equipment?

Answer: NSF/ANSI 3

NSF/ANSI 3 covers the sanitation requirements for commercial warewashing equipment including dishwashers, glasswashers, and pot washers.

A technician discovers that a restaurant's walk-in cooler refrigerant circuit uses R-22. Under current EPA regulations, which statement is TRUE?

Answer: Virgin R-22 production is banned, but recovered and reclaimed R-22 may still be used for servicing existing equipment

Since January 1, 2020, virgin R-22 production and import have been banned in the US, but reclaimed or recovered R-22 can still legally be used to service existing equipment.