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Electrokinetic Test Report for SWMU O-1

Table 2.1 - Liner Integrity Investigation Analytical Results

Sample ID

Ox1-95-SS1

Ox1-95-SS2

Ox1-96-SS3

Ox1-96-SS4

 O-Pond-SP Ox1-96-SS5 Ox1-96-SSNW

Ox1-96-SSSW

Ox1-96-SSEW

Ox-1-96-SSCB

 Ox-1-96-SSBF Ox-1-96-SSES

Depth (ft)

0.0 - 1.0

1.0 - 1.5

3.0

0 - 3.5

0 - 3.5

0 - 3.5

2.0

2.0

2.0

2.0

0 - 3.5

0 - 3.5

Date Collected

11/15/95

11/15/95

1/8/96

1/8/96

1/30/96

3/14/96

4/11/96

4/11/96

4/11/96

4/11/96

 1/30/96 3/14/96

 

Comparison Criteria

  

Sample Analytical Results

Constituent

Lab MDL

Lab PQLa

Background (TaB)b

RRS2-GWPc

RRS2-SAIc

  

 

 

 

 

 

 

 

 

 

 

 

VOCs, SW8260B (mg/kg):

 

 

 

 

  

 

 

 

 

 

 

 

 

 

 

 

 

Tetrachloroethene

-

0.005

0.007

0.5

17

 13.8

25

80

1390

0.005 U

0.93

0.005 U

0.24

0.005 U

0.005 U

0.36

0.005 U

 

 

 

 

 

  

 

 

 

 

 

 

 

 

 

 

 

 

Total Metals (mg/kg):

 

 

 

 

  

 

 

 

 

 

 

 

 

 

 

 

 

Arsenic, SW6010A

2.5

-

25.6

5.0

 200

2.5 U

2.5 U

-

-

-

-

-

-

-

-

-

-

Barium, SW6010A

2.5

-

303.0

200

 58,000

14

31

-

-

-

-

-

-

-

-

-

-

Cadmium, SW7131A

0.25

-

2.60

0.50

 410

0.56

2.2

-

-

-

-

-

-

-

-

-

-

Chromium, SW6010A

0.5

-

69.2

10

 240,000

69

610

150

390

-

-

88

1300

400

300

130

210

Lead, SW7421

1.5

-

105.0

1.5

 1000

8.4

21

-

-

-

-

-

-

-

-

 - -

Mercury, SW7471A

0.1

-

0.05

0.2

 9.6

0.1 U

0.1 U

-

-

-

-

-

-

-

-

 - -

Selenium, SW7740

4.0

-

ND

5.0

 9,200

4.0 U

4.0 U

-

-

-

-

-

-

-

-

 - -

Silver, SW6010A

1.0

-

ND

51

 2,800

1.0 U

1.0 U

-

-

-

-

-

-

-

-

 - -

Note:

a: The laboratory PQL ranged from 0.005 mg/kg to 10 mg/kg. The PQL of 0.005 mg/kg was the most consistently reported (7 of 12 total samples)

b: Background values from Evaluation of Background Metals Concentrations in Soil Types at Camp Stanley Storage Activity. The site is located on soils of the Tarrant Association, gently undulating (TaB)

c: Industrial risk reduction standards for groundwater protection and soil-air ingestion

Concentrations exceeding RRS1 background levels are in bold type.

Concentrations exceeding RRS2 standards are highlighted.

Analysis performed by Chemron Incorporated

Data Qualifiers:

U: The analyte was analyzed for, but not detected. The associated numerical value is at or below the MDL.

F: The analyte was positively identified but the associated numerical value is below the RL.

M: A matrix effect was present.

E: The sample was diluted; dilution factor is presented in the raw data.