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TableĀ 1 Mean value and standard deviation for physicochemical and microbiological parameters, along La Paz River basin water, soil and vegetable sampling points

From: Impact of urban contamination of the La Paz River basin on thermotolerant coliform density and occurrence of multiple antibiotic resistant enteric pathogens in river water, irrigated soil and fresh vegetables

Site no./samples (N)

pH

Temperature (Ā°C)

Conductivity (Ī¼S/cm)

Redox potential (mV)

Thermotolerant coliform density MPNa,b

Mean

SD

Mean

SD

Mean

SD

Mean

SD

Mean

SD

Water (NĀ =Ā 12)

Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā 

1

6.84

1.10

9.46

1.64

172.83

97.28

āˆ’25.15

38.87

3.73Ā Ć—Ā 101

9.88Ā Ć—Ā 101

2

7.93

0.43

12.73

1.87

1303.50

351.07

āˆ’82.62

6.62

1.42Ā Ć—Ā 10 6

1.90Ā Ć—Ā 106

3

7.81

0.48

18.78

2.50

1216.90

341.74

āˆ’76.71

11.23

3.08Ā Ć—Ā 10 5

1.87Ā Ć—Ā 105

4

7.64

0.65

ND

ND

750.48

253.04

āˆ’68.45

16.81

3.05Ā Ć—Ā 10 5

3.77Ā Ć—Ā 105

3/soil (NĀ =Ā 12)

NA

NA

NA

NA

NA

NA

NA

NA

4.61Ā Ć—Ā 102

7.51Ā Ć—Ā 102

3/vegetable (NĀ =Ā 12)

NA

NA

NA

NA

NA

NA

NA

NA

6.85Ā Ć—Ā 101

1.46Ā Ć—Ā 102

  1. MPN values shown in italics are above the standard safe water values, for use in recreational and agricultural activities
  2. NA not applicable
  3. ND not determined
  4. aMPN (most probable number of thermotolerant coliforms)/100Ā ml in water samples
  5. bMPN (most probable number of thermotolerant coliforms)/g in vegetable and soil samples