Animals in the Attic

Their contract states they will seal up any opening 1/" or larger .took numerous pictures of openings 1" and larger .Employee closed openings , set traps then left minlater ,next day employee found rats in traps reset traps then left next day employee checked traps were empty Removed traps and sprayed chemical in attic and left .owner next day shows up to collect 2nd half of payment , I complained about odor still in house , owner said will come back next day at am never showed up I waited then at 1:called AMEX to stop payment Owner was sent pictures and now wants to close all unclosed openings and spray deodrising chemicals I DO NOT TRUST animals in the attic to do anything on my property