Environmental Engineering Reference
In-Depth Information
Table 5.1c
Natural Attenuation Scores for Wells at Sage's Site
RW-001
MW-001
MW-002
MW-004
MW-009
MW-010
Analyte
25-35 feet
10-20 feet
8-18 feet
23-33 feet
2-10 feet
Not Recorded
Oxygen
3
NA
NA
NA
NA
NA
Oxygen
NA
-3
-3
-3
-3
-3
Nitrate
2
2
2
2
0
2
Iron (II)
3
0
0
3
0
0
Sulfate
2
2
2
2
2
2
Sulfide
3
3
3
0
3
3
Methane
0
0
0
2
0
0
Methane
NA
NA
NA
NA
NA
NA
Methane
NA
NA
NA
NA
NA
NA
Oxidation reduction potential
1
0
0
0
0
1
pH
0
0
0
0
0
0
Total Organic Carbon
2
2
2
2
2
0
Temperature
1
1
1
1
1
1
Alkalinity
0
0
0
0
0
0
Chloride
0
0
0
2
0
0
Perchloroethene
0
0
0
0
0
0
Trichloroethene
2
0
2
0
0
0
Dichloroethene
0
0
0
0
0
0
Vinyl chloride
0
0
0
0
0
0
Ethene/Ethane
0
0
0
0
0
0
Chloroethane
0
0
0
0
0
0
1,1,1-trichloroethane
NA
NA
NA
NA
NA
NA
1,1-dichloroethene
0
0
0
0
0
0
Total Points Awarded
19
7
9
11
5
6
