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Table 4 Overview of environmental monitoring after placing the automated dispensing system

From: Validation of an automated dispensing system for subsequent dose dispensing of different radionuclides

 

Day 1

Day 2

Day 3

Criteria GMP class A

Settle plates

CFU/4 h average

0.2

0

0

 < 1 CFU

Contact plates CFU/plate average

0

0

0

 < 1 CFU

Particles at rest

0.5 µm: 24.7/m3

5.0 µm: 0.0/m3

0.5 µm: 42.4/m3

5.0 µm: 0.0/m3

0.5 µm: 219.1/m3

5.0 µm: 7.1/m3

0.5 µm: ≤ 3520 /m3

5.0 µm: ≤ 20/m3

Particles in operation

0.5 µm: 38.9/m3

5.0 µm: 0.0/m3

0.5 µm: 7.1/m3

5.0 µm: 0.0/m3

0.5 µm: 732.9/m3

5.0 µm: 12.0/m3

0.5 µm: ≤ 3520 /m3

5.0 µm: ≤ 20/m3

Bouillon simulation

Clear medium

Clear medium

Clear medium

Clear medium

  1. CFU colony forming units