Parameter (CFU/100ml)

Katalina (n = 10)

Airport 1 (n = 10)

Airport 2 (n = 10)

Total coliform

Mean

28.7 ± 0.82

47.4 ± 1.13

34.5 ± 2.92

Median

36.4

46.9

29.4

Range

27.1 - 29.7

45.8 - 59.6

28.8 - 38.4

S.D^b

1.422

1.955

5.065

E. coli

Mean

2.77 ± 0.18

4.57 ± 0.37

4.10 ± 0.55

Median

2.7

4.2

4.2

Range

0 - 5

0 - 8

0 - 6

S.D

0.306

0.635

0.954