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Table 2

Average chemical-physical parameters and number of bathers of swimming pool waters for each activity in S1 and S2

Pool, FacilityActivitynRH (%)pHFchlorine (mg/L)Bchlorine (mg/L)No. of bathersTair (°C)Twater (°C)tTHM, (μg/m3)
Pool 2, S1 Morning swimming 11 66.4 7.5 1.26 0.20 2.2 27.5 33.0 145.8 
Pool 2, S1 Baby swimming 12 60.3 7.5 1.15 0.23 14.3 28.3 33.1 122.4 
Pool 1, S1 Public swimming 18 57.2 7.3 0.82 0.21 13.4 27.9 26.7 168.4 
Pool 4, S2 Morning swimming 14 57.5 7.2 0.99 0.20 25.2 31.8 34.2 435.5 
Pool 4, S2 Baby swimming 12 58.8 7.2 0.99 0.20 41.4 31.2 34.1 267.3 
Pool 3, S2 Public swimming 15 66.8 7.3 0.49 0.04 15.6 29.0 28.6 528.1 
Pool, FacilityActivitynRH (%)pHFchlorine (mg/L)Bchlorine (mg/L)No. of bathersTair (°C)Twater (°C)tTHM, (μg/m3)
Pool 2, S1 Morning swimming 11 66.4 7.5 1.26 0.20 2.2 27.5 33.0 145.8 
Pool 2, S1 Baby swimming 12 60.3 7.5 1.15 0.23 14.3 28.3 33.1 122.4 
Pool 1, S1 Public swimming 18 57.2 7.3 0.82 0.21 13.4 27.9 26.7 168.4 
Pool 4, S2 Morning swimming 14 57.5 7.2 0.99 0.20 25.2 31.8 34.2 435.5 
Pool 4, S2 Baby swimming 12 58.8 7.2 0.99 0.20 41.4 31.2 34.1 267.3 
Pool 3, S2 Public swimming 15 66.8 7.3 0.49 0.04 15.6 29.0 28.6 528.1 

n: samples of tTHM, RH: relative humidity, Fchlorine: free chlorine, Bchlorine: combined chlorine, Tair: air temperature, Twater: water temperature, tTHM: average concentration (all heights).

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