Cat pee in apartment

[Brendan O'Brien]

A tenant is moving out. She had the apartment steam cleaned and now there is a strong cat smell. She insists it is from a previous tenant and I have never noticed a cat there during her tenancy.

First question: is this plausible? Second question: short of replacing the carpets, what can I do about this cat smell?

[Michael Rossi]

odorxit.com