Analytical methods

Sample location

Sampling date

Bacteria (#/ml)

SRB (#/ml)

qPCR

Field 4, Injection well#1

5/19/15

4.18E+04

3.59E+03

Field 5, Injection well#1

5/20/15

7.71E+04

4.49E+03

Field 5, Injection well#2

5/20/15

8.77E+04

9.15E+03

Field 5, Injection well#3

5/20/15

8.34E+04

6.06E+03

MPN

Field 4, Injection well#1

5/19/15

2.30E+06

93

Field 5, Injection well#1

5/20/15

9.30E+05

0.93

Field 5, Injection well#2

5/20/15

2.30E+06

1.5

Field 5, Injection well#3

5/20/15

4.30E+05

0.93