A2L
Under EPA Section 608, this is required before releasing A2L refrigerants into the atmosphere during service
What is refrigerant must be recovered by certified recovery equipment?
A2L refrigerants have a flammability potential that is higher than
What is A1?
This certification is required to purchase regulated refrigerants for stationary HVAC/R equipment under EPA Section 608
What is EPA Core, Type I, Type II, Type II (EPA Universal)?
Under the EPA SNAP program, and its primary function related to A2L refrigerants
What is evaluate and list acceptable substitutes for ozone depleting substances?
This purity standard must reclaim refrigerant conform before it can legally be resold or reused
What is AHRI Standard 700?
The ozone depletion potential (ODP) of current A2L HFC refrigerants such as R-32 and R-454B
What is 0?
This environmental metric is primarily used to compare the climate impact of A2L refrigerants versus legacy HFCs like R-410A
What is GWP (Global Warming Protentional)?
A technician legally permitted to skip refrigerant recovery before opening an A2L refrigerant system for repair
What are no exemptions? Technician will always recover before opening any systems
According to ASHRAE Standard 15, this is the maximum allowable leak concentration for A2L refrigerants in an occupied space
What is 25%?
After servicing, this documentation should be completed to comply with EPA and manufacturer A2L guidelines
What is a service log?
The classification A2L represent under ASHRAE's refrigerant safety group
What is slightly flammable, low toxicity?
This refrigerant is exempt from the EPA’s recovery mandate
What is R-744?
This correctly describes the EPA's requirement for recovering refrigerant cylinders used during A2L system service
What is DOT approved cylinders at 80% capacity?
According to the EPA. This is the amount of time you must hold to verify the pressure test being successful
What is 1 hour at rated pressure?
This organization classifies refrigerants based on flammability and toxicity, including the A2L designation
What is ASHRAE?
Storing A2L cylinders, these key factors must be verified
What are properly upright and in a ventilated area?
This US federal law authorizes the EPA to phase down high-GWP HFC refrigerants, driving the transition to A2L alternatives
What is the AIM act (American Innovation and Manufacturing Act)?
The introduction of A2L refrigerants affect a technician's existing EPA Section 608 certification status
What is EPA Certifications remains valid but additional training is required?
When servicing an operating A2L rooftop unit, these tools are best safety practice required around the refrigerant circuit
What are spark proof (intrinsically safe) tools?
According to ASHRAE Standard 34, the '2L' in the A2L refrigerant classification signify
What is slightly lower flammability?
This detector type is most suitable for identifying A2L refrigerant leaks
What is NDIR (Nondispersive infrared sensor)?
Which A2L refrigerant has the lowest global warming potential (GWP)
What is R1234yf?
These two EPA regulations govern the handling and recovery of refrigerants, including A2L refrigerants
What is EPA608 and Clean Air Act?
This is why evacuation of an A2L system reach at least 500 microns before charging
A technician is installing a new residential split system designed for an A2L refrigerant.
This safety standard is most critical for ensuring the equipment itself is designed with features to mitigate flammability risks, such as spark-mitigated components and leak detection
What is UL 60335 2-40