Table 2 First-order inactivation rate constants (k_max) obtained for log-linear with shoulder model used to describe CDPJ treatment-induced inactivation

Dishwashing tool	E. coli O157:H7	S. aureus	P. putida
Dishcloth	2.42 ± 0.28^b	2.22 ± 0.26 ^b	1.99 0.11^ab
Sponge	2.71 ± 0.16^a	2.36 ± 0.16^a	2.03 ± 0.44^a
Scourer	2.81 ± 0.16^a	2.45 ± 0.39^a	1.76 ± 0.20^b