Exposure time in minutes | Volume in µL | Number of Colonies after exposure | Control |
30 | 50 | TMTC | TMTC |
45 | 50 | 300 | TMTC |
60 | 50 | 200 | TMTC |
75 | 50 | 45 | TMTC |
90 | 50 | No growth | TMTC |
120 | 50 | No growth | TMTC |