peroxides and peracids to form complexes and forms associations and adducts with the anionic photoreactive surfactant containing phosphate ester these associations and adducts may provide additional reactive chemistry which enhances the microbicidal efficacy of the treatment composition in other aspects the material of the protective cover 100 200 may be treated with disinfectant compositions such as are disclosed in u s publication no 2014 0004208 to biomed protect llc which is hereby incorporated herein by reference it is entirety in certain aspects the disinfectant composition may include a peroxide a peracid an anionic surfactant a nonionic polymer a linear fatty alcohol and an alkyl pyrrolidone in one aspect the material of the protective cover 100 200 may be treated with an antimicrobrial composition in accordance with methods described for example in u s pat no 8 383 205 to biomed protect llc which is hereby incorporated herein by reference it is entirety in certain aspects the method may include applying an aqueous solution of an antimicrobial composition including water an organic acid chitosan and one or more heterocyclic n halamine compounds where the organic acid is present at a concentration of about 0 2 to 1 0 by weight of solution to the protective cover 100 200 and heating the protective cover 100 200 e g in a drying machine to cure the antimicrobial composition the ph of.