Site Location |
Distance from Pumps (m) |
Concentration Range (ppb) |
Concentration Mean (ppb) |
Service Station A
|
Site 1
|
5
|
3.8 - 5.7
|
4.8
|
Site 2
|
4
|
2.0 - 7.1
|
4.9
|
Site 3
|
3
|
6.1 - 9.2
|
8.0
|
Site 4
|
N/A
|
3.8 - 9.6
|
7.2
|
Site 5
|
N/A
|
1.2 - 2.8
|
2.2
|
Site 6
|
N/A
|
1.5 - 8.2
|
4.3
|
Service Station B
|
Site 1
|
3
|
1.8 - 5.5
|
3.9
|
Site 2
|
4
|
1.0 - 2.5
|
1.6
|
Site 3
|
10
|
1.7 - 3.6
|
2.5
|
Site 4
|
N/A
|
2.0 - 4.0
|
2.9
|
Site 5
|
N/A
|
< 0.3 - 2.8
|
1.8
|
Site 6
|
N/A
|
1.0 - 1.7
|
1.4
|
Service Station C
|
Site 1
|
10
|
1.5 - 4.3
|
2.7
|
Site 2
|
5
|
1.4 - 3.9
|
2.3
|
Site 3
|
5
|
1.8 - 3.9
|
3.0
|
Site 4
|
N/A
|
2.3 - 3.5
|
2.9
|
Site 5
|
N/A
|
1.2 - 5.9
|
2.7
|
Site 6
|
N/A
|
1.1 - 2.7
|
1.8
|
Service Station D
|
Site 1
|
12
|
3.7 - 8.6
|
5.6
|
Site 2
|
15
|
2.1 - 6.4
|
3.8
|
Site 3
|
12
|
3.3 - 5.3
|
4.6
|
Site 4
|
N/A
|
10.0 - 20.4
|
15.6
|
Site 5
|
N/A
|
2.2 - 4.6
|
3.4
|
Site 6
|
N/A
|
1.8 - 3.9
|
2.9
|
Service Station E
|
Site 1
|
12
|
1.7 - 3.7
|
2.5
|
Site 2
|
15
|
3.7 - 11.7
|
6.0
|
Site 3
|
5
|
1.6 - 3.6
|
3.0
|
Site 4
|
N/A
|
4.3 - 7.2
|
5.8
|
Site 5
|
N/A
|
2.6 - 7.2
|
3.8
|
Site 6
|
N/A
|
3.7 - 6.1
|
4.7
|
Service Station F
|
Site 1
|
7
|
1.3 - 3.6
|
2.4
|
Site 2
|
12
|
1.4 - 4.7
|
3.1
|
Site 3
|
7
|
0.9 - 4.3
|
2.3
|
Site 4
|
N/A
|
2.0 - 18.0
|
8.2
|
Site 5
|
N/A
|
<0.3 - 3.0
|
1.6
|
Site 6
|
N/A
|
1.0 - 2.8
|
2.1
|
|
Site Location |
Distance from Pumps (m) |
Concentration Range (ppb) |
Concentration Mean (ppb) |
Service Station G
|
Site 1
|
10
|
0.7 - 3.6
|
2.2
|
Site 2
|
25
|
0.7 - 3.2
|
2.1
|
Site 3
|
15
|
1.4 - 5.4
|
4.2
|
Site 4
|
N/A
|
1.1 - 11.7
|
7.9
|
Site 5
|
N/A
|
1.2 - 5.4
|
3.6
|
Site 6
|
N/A
|
0.9 - 9.6
|
4.7
|
Service Station H
|
Site 1
|
7
|
1.3 - 2.2
|
1.7
|
Site 2
|
4
|
2.8 - 8.2
|
4.4
|
Site 3
|
13
|
1.5 - 3.4
|
2.3
|
Site 4
|
N/A
|
5.0 - 13.6
|
7.9
|
Site 5
|
N/A
|
2.1 - 3.5
|
2.6
|
Site 6
|
N/A
|
1.3 - 5.0
|
2.9
|
Service Station I
|
Site 1
|
5
|
1.4 - 6.4
|
3.8
|
Site 2
|
12
|
1.2 - 4.3
|
3.4
|
Site 3
|
20
|
1.2 - 3.9
|
2.9
|
Site 4
|
N/A
|
2.3 - 11.4
|
6.1
|
Site 5
|
N/A
|
0.4 - 4.6
|
2.7
|
Site 6
|
N/A
|
1.3 - 3.4
|
2.6
|
Service Station J
|
Site 1
|
10
|
2.3 - 7.5
|
4.5
|
Site 2
|
12
|
3.2 - 9.3
|
7.0
|
Site 3
|
7
|
3.9 - 5.7
|
4.6
|
Site 4
|
N/A
|
9.9 - 26.6
|
19.1
|
Site 5
|
N/A
|
2.4 - 5.0
|
3.5
|
Site 6
|
N/A
|
1.7 - 4.6
|
3.1
|
Service Station K
|
Site 1
|
12
|
3.6 - 12.5
|
6.6
|
Site 2
|
10
|
5.0 - 10.0
|
7.4
|
Site 3
|
5
|
3.9 - 7.1
|
5.2
|
Site 4
|
N/A
|
4.4 - 19.6
|
11.1
|
Site 5
|
N/A
|
2.1 - 3.9
|
3.1
|
Site 6
|
N/A
|
2.4 - 3.1
|
2.8
|
Service Station L
|
Site 1
|
10
|
1.2 - 2.7
|
1.9
|
Site 2
|
10
|
1.2 - 2.7
|
1.9
|
Site 3
|
10
|
1.2 - 1.9
|
1.5
|
Site 4
|
N/A
|
2.8 - 5.9
|
4.8
|
Site 5
|
N/A
|
0.7 - 1.4
|
1.2
|
Site 6
|
N/A
|
1.5 - 2.8
|
2.3
|
|