Results Target concentrations and analysed concentrations are shown in Table 41. Table 41: The atmospheric concentrations and aerodynamic particle size distribution of polihexanide and dichlor. Analysed Median Target concentration concentration Geometric size Group Test compound of polihexanide or of polihexanide standard (MMAD) chlorine (mg/m³) or chlorine deviation (μm) (mg/m³) 1 5 11.7 2.52 2.84 Baquacil® (20% 2 50 62.9 3.08 2.39 polihexanide) 3 200 208.0 4.31 2.49 4 10000 0.07 ** ** Baquacil® (10 ppm (target particulate polihexanide)/ SPA concentration) 5 10000 (control) 0 ** ** SPA (target particulate concentration) 6 6 12.5 5.14 1.91 Dichlor 7 (total chlorine) 25 17.5 3.20 2.31 (20% w/v) 8 45 42.0 2.31 1.92 9 10000 * ** ** Dichlor (2ppm)/SPA (target particulate concentration) 10 10000 (control) * ** ** SPA (target particulate concentration) *chlorine concentration was not determined as trial data indicated the concentration of free chlorine to be below the limit of detection (0.5 mg/m³ for a 10 L atmosphere sample). **particle size determination of atmospheres generated form formulations were not calculated due to high ‘in use’ particulate concentrations overloading the filter stages.
Results Target concentrations and analysed concentrations are shown in Table 41. Table 41: The atmospheric concentrations and aerodynamic particle size distribution of polihexanide and dichlor. Group Test compound Target concentration of polihexanide or chlorine (mg/m³) Analysed concentration of polihexanide or chlorine (mg/m³) Median size (MMAD) (μm) Geometric standard deviation 1 Baquacil® (20% polihexanide) 5 11.7 2.52 2.84 2 50 62.9 3.08 2.39 3 200 208.0 4.31 2.49 4 Baquacil® (10 ppm polihexanide)/ SPA 10000 (target particulate concentration) 0.07 ** ** 5 SPA 10000 (control) (target particulate concentration) 0 ** ** 6 Dichlor (total chlorine) (20% w/v) 6 12.5 5.14 1.91 7 25 17.5 3.20 2.31 8 45 42.0 2.31 1.92 9 Dichlor (2ppm)/SPA 10000 (target particulate concentration) * ** ** 10 SPA 10000 (control) (target particulate concentration) * ** ** *chlorine concentration was not determined as trial data indicated the concentration of free chlorine to be below the limit of detection (0.5 mg/m³ for a 10 L atmosphere sample). **particle size determination of atmospheres generated form ‘in use’ formulations were not calculated due to high particulate concentrations overloading the filter stages.