Final answer:
An expired ODP card means the person is no longer certified to handle refrigerants and must renew their certification to resume legal work with refrigerants.
Step-by-step explanation:
If a certified person's ODP card has expired, the person:
- Is no longer certified to handle refrigerants
An ODP (Ozone Depleting Substances) certification is mandatory for anyone handling refrigerants that may deplete the ozone layer. It is essential to maintain this certification active to ensure compliance with environmental laws and regulations. If an individual's certification expires, it is unlawful for them to continue handling refrigerants until they have successfully renewed their certification.