Samp
Date

TDS

Ca
(mg/L)

Mg
(mg/L)

CaCO3

Na
(mg/L)

K
(mg/L)

Fe
(mg/L)

Ba
(mg/L)

Sr
(mg/L)

Mn
(mg/L)

SO4
(mg/L)

Cl
(mg/L)

4/14

22438

15.00

2.73

49.44

18.00

1.65

0.25

0.23

0.46

0.60

3.00

183.00

4/26

84839

7100

603

23286

22800

326

3.93

2000

1400

6.69

0.00

50600

4/27

89861

7640

651

24952

24300

346

7.80

1990

1510

7.07

8.87

53400

4/27

105161

8490

714

27432

25100

352

9.70

1870

1670

7.44

156

66800

4/28

116266

10500

893

33879

29400

410

35.30

1980

2200

9.10

139

70700

4/29

123902

11700

996

38419

31100

437

16.20

2480

2860

9.50

2.94

74300

4/30

164081

16700

1400

52071

41700

579

23.50

2230

2570

13.00

165

98700

5/1

140169

14000

1150

44358

34300

477

28.70

2290

2590

11.00

22.70

85300

5/2

146539

16700

1380

53473

39400

535

30.20

3000

3380

13.10

0.19

82100

5/3

161636

17100

1410

54446

40400

543

35.20

2950

3280

13.30

4.97

95900

5/4

164902

16700

13000

103026

37000

496

32.90

3850

4310

12.30

1.15

89500

Table 2: Marcellus Shale Well Flowback Analysis Data for 20 days.