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Groundwater Investigation and Associated Source Characterization

Table 8.2-3 - Groundwater HVO Analytical Results for 1995 and 1996

Well ID

Sample Date

Bromo-dichloro- methane* (ug/L)

Chloroform* (ug/L)

Dibromo-chloro- methane * (ug/L)

1,1-Dichloro- ethene (ug/L)

cis-1,2-Dichloro- ethene (ug/L)

trans-1,2-Dichloro- ethene (ug/L)

Dichloro- methane (methylene chloride) (ug/L)

Tetrachloro- ethene (ug/L)

Trichloro- ethene  (ug/L)

 

MCL:

100

100

100

7

70

100

5

5

5

1

3/30/95

<0.6

<0.6

<0.6

<1.0

<0.8

<0.8

<0.8

<1.0

<0.4

6/13/95

<3

7

<3

<5

<4

<4

<4

<5

<2

8/28/95

<3

<3

<3

<5

<4

<4

<4

<5

<2

12/11/95

<3

10

<3

<5

<4

<4

<4

<5

<2

2/28/96

<3

<3

<3

<5

<4

<4

<4

<5

<2

2

4/6/95

<0.6

<0.6

<0.6

<1

<0.8

<0.8

<0.8

<1

<0.4

6/13/95

<3

<3

<3

<5

<4

<4

<4

<5

<2

8/30/95

<3

<3

<3

<5

<4

<4

<4

<5

<2

12/12/95

<3 (<3)

<3 (<3)

<3 (<3)

<5 (<5)

<4 (<4)

<4 (<4)

<4 (<4)

<5 (<5)

<2 (<2)

2/29/96

<3

<3

<3

<5

<4

<4

<4

<5

<2

3

4/6/95

<0.6

<0.6

<0.6

<1

<0.8

<0.8

<0.8

<1

<0.4

6/13/95

<3 (<3)

<3 (<3)

<3 (<3)

<5 (<5)

<4 (<4)

<4 (<4)

<4 (<4)

<5 (<5)

<2 (<2)

8/30/95

<3 (<3)

<3 (<3)

<3 (<3)

<5 (<5)

<4 (<4)

<4 (<4)

<4 (<4)

<5 (<5)

<2 (<2)

12/12/95

<3

<3

<3

<5

<4

<4

<4

<5

<2

2/27/96

<3

<3

<3

<5

<4

<4

<4

<5

<2

4

4/6/95

<0.6

<0.6

<0.6

<1.0

<0.8

<0.8

<0.8

2.1

0.9

6/13/95

<3

<3

<3

<5

<4

<4

<4

<5

<2

8/30/95

<3

<3

<3

<5

<4

<4

<4

<5

<2

12/13/95

<3

<3

<3

<5

<4

<4

<4

<5

<2

9

3/30/95

<0.6

<0.6

<0.6

<1.0

<0.8

<0.8

<0.8

<1.0

<0.4

6/12/95

<3

<3

<3

<5

<4

<4

<4

<5

<3

8/29/95

<3

<3

<3

<5

<4

<4

<4

<5

<2

12/12/95

<3

8

<3

<5

<4

<4

<4

<5

<2

2/28/96

<3

<3

<3

<5

<4

<4

<4

<5

<2

10

3/30/95

<0.6

<0.6

<0.6

<1.0

<0.8

<0.8

<0.8

<1

<0.4

6/12/95

<3

<3

<3

<5

<4

<4

<4

<5

<3

8/29/95

<3

<3

<3

<5

<4

<4

<4

<5

<2

12/12/95

<3

<3

<3

<5

<4

<4

<4

<5

<2

2/28/96

<3

<3

<3

<5

<4

<4

<4

<5

<2

11

3/30/95

<0.6

<0.6

<0.6

<1.0

<0.8

<0.8

<0.8

<1

<0.4

6/12/95

<3

<3

<3

<5

<4

<4

<4

<5

<2

8/29/95

<3

<3

<3

<5

<4

<4

<4

<5

<2

12/15/95

<3

<3

<3

<5

<4

<4

<4

<5

<2

2/29/96

<3

<3

<3

<5

<4

<4

<4

<5

<2

16

4/6/95

<0.6

<0.6

<0.6

<1.0

270

<0.8

<0.8

170

170

4/7/95

<0.6 (<0.6)

<0.6 (<0.6)

<0.6 (<0.6)

<1.0 (<1.0)

280(290)

<0.8 (<0.8)

<0.8 (<0.8)

170(160)

170(170)

6/14/95

<3

<3

<3

<5

38

<4

<4

39

45

8/30/95

<3

<3

<3

<5

72

<4

<4

78

83

12/13/95

<3

<3

<3

<5

63

<4

<4

64

77

2/29/96

<3

<3

<3

<5

152

<4

<4

158

175

Reservoir

3/1/96

<3

<3

<3

<5

<4

<4

<4

<5

<2

D

4/6/95

<0.6

<0.6

<0.6

<1

240

<0.8

<0.8

110

130

6/14/95

<3

<3

<3

<5

120

<4

<4

64

99

8/30/95

<3

<3

<3

<5

86

<4

<4

80

88

12/12/95

<3

<3

<3

<5

130

<4

<4

110

150

2/29/96

<3

<3

<3

<5

81

<4

<4

72

98

G

4/7/95

<0.6

<0.6

<0.6

<1

<0.8

<0.8

<0.8

<1

<0.4

6/14/95

<3

<3

<3

<5

<4

<4

<4

<5

<2

8/29/95

<3

<3

<3

<5

<4

<4

<4

<5

<2

12/12/95

<3

<3

<3

<5

<4

<4

<4

<5

<2

2/28/96

<3

<3

<3

<5

<4

<4

<4

<5

<2

H

12/12/95

<3

<3

<3

<3

<4

<4

<4

<5

<2

2/28/96

<3

<3

<3

<5

<4

<4

<4

<5

<2

I

4/7/95

<0.6 (<0.6)

<0.6 (<0.6)

<0.6 (<0.6)

<1 (<1)

<0.8 (<0.8)

<0.8 (<0.8)

<0.8 (<0.8)

<1 (<1)

<0.4 (<0.4)

6/14/95

<3 (<3)

<3 (<3)

<3 (<3)

<5 (<5)

<4 (<4)

<4 (<4)

<4 (<4)

<5 (<5)

<2 (<2)

8/29/95

<3

<3

<3

<5

<4

<4

<4

<5

<2

12/12/95

<3

<3

<3

<5

<4

<4

<4

<5

<2

3/1/96

<3

<3

<3

<5

<4

<4

<4

<5

<2

Notes:

Analytes detected above laboratory detection limits are shown in bold font.  All well water samples were collected through well pump or via bailer.  Duplicate sample results are shown in parentheses next to well sample results.  January data represents re-test data.

< = minimum detection limit

ug/L = micrograms per liter

* CHlorination byproducts in water supply well referenced in SDWA drinking water regulations as THMs, or trihalomethanes).  MCL for total concentration of THMs is 100 ug/L.