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Table 3

Hygienic parameters of the water samples

Sample codeMicroscopic cell count (cell/mL)10% R2A medium (CFU/mL)Nutrient medium (CFU/mL)Number of faecal coliform bacteria (CFU/100 mL)Number of micrococcus (CFU/100 mL)Number of Staphylococcus aureus (CFU/100 mL)Number of Pseudomonas aeruginosa (CFU/100 mL)Number of Legionella spp. (CFU/100 mL)
W1 1.4 × 104 1.7 × 102 2.0 × 101 
PCU38_1 4.9 × 106 4.0 × 105 2.0 × 104 4,020* 18 80* 
PCU20_1 2.6 × 106 1.7 × 105 2.3 × 103 2,000 50 
PCIRC38_1 7.8 × 105 1.3 × 105 1.6 × 10376 15* 
W2 6.1 × 103 1.2 × 102 
PCU38_2 1.4 × 106 6.4 × 104 1.7 × 103 2,000 10 50 
PCU20_2 3.7 × 105 8.2 × 103 6.5 × 103 400 
PCIRC38_3 9.0 × 105 2.2 × 103 1.5 × 102 50 10* 
Sample codeMicroscopic cell count (cell/mL)10% R2A medium (CFU/mL)Nutrient medium (CFU/mL)Number of faecal coliform bacteria (CFU/100 mL)Number of micrococcus (CFU/100 mL)Number of Staphylococcus aureus (CFU/100 mL)Number of Pseudomonas aeruginosa (CFU/100 mL)Number of Legionella spp. (CFU/100 mL)
W1 1.4 × 104 1.7 × 102 2.0 × 101 
PCU38_1 4.9 × 106 4.0 × 105 2.0 × 104 4,020* 18 80* 
PCU20_1 2.6 × 106 1.7 × 105 2.3 × 103 2,000 50 
PCIRC38_1 7.8 × 105 1.3 × 105 1.6 × 10376 15* 
W2 6.1 × 103 1.2 × 102 
PCU38_2 1.4 × 106 6.4 × 104 1.7 × 103 2,000 10 50 
PCU20_2 3.7 × 105 8.2 × 103 6.5 × 103 400 
PCIRC38_3 9.0 × 105 2.2 × 103 1.5 × 102 50 10* 

*Exceeded the standard limit values.

NA: not applicable.

Notation is shown in Table 1.

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