RFI - Attachment G - Acid Sulfate Soils Investigation

 Table D1: Results of Field Screening and Chemical Laboratory Testing
Depth        Sample Description          Field Screening Test Results                           Chromium Suite Test Results (%S)
 (m)
                                       pHF   pHFOX   pH      Reaction     pHKCI   Titratable    Chromium       KCl       Retained   Net Acidity
                                                             (0,1,2,3,4)            Actual       Reducible                 Acidity
                                                                                    Acidity        Sulfur                  (NASS)
                                                                                     (TAA)         (SCR)
Bore 4
0.0-0.25       Sandy clay filling      5.9    3.3     -2.6       2           -         -             -            -           -           -
0.25-0.5       Sandy clay filling      5.6    3.3     -2.3       2           -         -             -            -           -           -
0.5-0.75       Sandy clay filling      5.4    3.1     -2.3       2          4.4      0.06          0.008        0.03        <0.02       0.07
0.75-1.0          Sandy clay           5.5    3.2     -2.3       2           -         -             -            -           -           -
1.0-1.25          Sandy clay           5.4    3.2     -2.2       2           -         -             -            -           -           -
1.25-1.5          Sandy clay           5.3    3.2     -2.1       2           -         -             -            -           -           -
1.5-1.75          Sandy clay           5.1    3.2     -1.9       2           -         -             -            -           -           -
1.75-2.0          Sandy clay           5.1    3.1     -2.0       2           -         -             -            -           -           -
2.0-2.25          Sandy clay           5.0    3.1     -1.9       2           -         -             -            -           -           -
2.25-2.5          Sandy clay           5.0    3.1     -1.9       2           -         -             -            -           -           -
2.5-2.75           Silty clay          4.7    3.1     -1.6       2          3.9      0.14          0.006        0.02        <0.02       0.15
2.75-3.0           Silty clay          4.9    3.2     -1.7       2           -         -             -            -           -           -
3.0-3.25           Silty clay          4.8    3.1     -1.7       2          4.0      0.13          0.006        0.02        <0.02       0.15
3.25-3.5           Silty clay          5.0    3.0     -2.0       2           -         -             -            -           -           -
3.5-3.75           Silty clay          5.2    3.2     -2.0       2           -         -             -            -           -           -
3.75-4.0           Silty clay          5.1    3.4     -1.7       2           -         -             -            -           -           -


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Table D1: Results of Field Screening and Chemical Laboratory Testing

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Depth Sample Description Field Screening Test Results Chromium Suite Test Results (%S)
(m) PHe | pHrox | ApH Reaction | pHxc | Titratable | Chromium KCI Retained Net Acidity
(0,1,2,3,4) Actual Reducible Acidity
Acidity Sulfur (NASS)
(TAA) (Scr)

Bore 4

0.0-0.25 Sandy clay filling 5.9 3.3 -2.6 2 - -

0.25-0.5 Sandy clay filling 5.6 3.3 -2.3 2 - -

0.5-0.75 Sandy clay filling 5.4 3.1 -2.3 2 44 0.06 0.008 0.03 <0.02 0.07
0.75-1.0 Sandy clay 5.5 3.2 -2.3 2 - -

1.0-1.25 Sandy clay 5.4 3.2 -2.2 2 - -

1.25-1.5 Sandy clay 5.3 3.2 -2.1 2 - -

1.5-1.75 Sandy clay 5.1 3.2 -1.9 2 - -

1.75-2.0 Sandy clay 5.1 3.1 -2.0 2 - -

2.0-2.25 Sandy clay 5.0 3.1 -1.9 2 - -

2.25-2.5 Sandy clay 5.0 3.1 -1.9 2 - -

2.5-2.75 Silty clay 4.7 3.1 -1.6 2 3.9 0.14 0.006 0.02 <0.02 0.15
2.75-3.0 Silty clay 4.9 3.2 -1.7 2 - -

3.0-3.25 Silty clay 4.8 3.1 -1.7 2 4.0 0.13 0.006 0.02 <0.02 0.15
3.25-3.5 Silty clay 5.0 3.0 -2.0 2 - -

3.5-3.75 Silty clay 5.2 3.2 -2.0 2 - -

3.75-4.0 Silty clay 5.1 3.4 -1.7 2 - -