Monitor Well Location Map

1
Lois Green and Patricia Kelly Petition (Canton
Café site) SWRCB Order WQ __ 05-UST
E.W. Pierce Co. Closed Case UST Site
MW-7
Figure 2
Monitor Well Location Map
MW-4
MW-5 5A
Cafe
Former UST Location
MW-3
1990 excavation
N
MW-1 1A
MW-8
1999 excavations
Approx. Groundwater flow
Monitor well location
MW-2
Highway 101
June 1991 boring (locations approximate)
0 40
80
D.PARFITT 8/12/03
SCALE - FEET
MW-6
2
Lois Green and Patricia Kelly Petition ( Canton
Café site) SWRCB Order WQ __ 05-UST
220/lt1/2000
E.W. Pierce Co. Closed Case UST Site
lt1/lt1/lt10
MW-7
Figure 3
35/lt1/320
Total Petroleum Hydrocarbons In Soil
18/1.5/680
13/250/lt10
lt1/lt1/lt10
MW-4
MW-5A
lt1/1.1/lt10
lt1/lt1/lt10
6.7/3.2/230
Cafe
4.6/94/10
5.3/lt1/78
18/1.5/680
5.5/18/49
9.7/8.9/19
2.5/NA/NA
500/2.6/NA
5.6/2.8/61
18/1.5/680
lt1/lt1/lt10
31/110/84
lt1/lt1/22
lt1/3.4/13
62/lt1/860
MW-3
lt1/lt1/lt10
N
lt1/lt1/lt10
10/20/120
MW-1A
3.6/lt1/71
lt1/lt1/lt10
MW-8
1999 excavation
Approx. Groundwater flow
5.9/79/lt10
Soil sample location TPHd/TPHg/TPHmo in parts per
million NA not analyzed
NA/lt1/NA
110/1.3/370
MW-2
Highway 101
lt1/lt1/lt10
69/lt1/370
10/1.3/140
0 40
80
D.PARFITT 8/12/03
SCALE - FEET
3
Lois Green and Patricia Kelly Petition (Canton
Café site) SWRCB Order WQ __ 05-UST
E.W. Pierce Co. Closed Case UST Site
MW-7
Figure 4
Corrective Action Plan Implementation
MW-4
MW-5A
Cafe
Former UST Location
MW-3
1990 excavation
N
MW-1A
MW-8
1999 excavation
ORC Injection
Monitor well location
MW-2
Highway 101
Approx. Groundwater flow
0 40
80
D.PARFITT 8/12/03
SCALE - FEET
MW-6
4
Lois Green and Patricia Kelly Petition (Canton
Café site) SWRCB Order WQ __ 05-UST
E.W. Pierce Co. Closed Case UST Site
TPH-d 150 ppb to 460 ppb TPH-g 670 to 1100 ppb
MW-7
Figure 5
TPH-d 520 ppb TPH-g lt50 to 64 ppb
TPH-d lt50 ppb TPH-g lt50 ppb
TPH in Groundwater 2003
MW-4
MW-5A
Cafe
Former UST Location
MW-3
(well destroyed in 1999)
TPH-d 54 to 93 ppb TPH-g 120 ppb
N
TPH-d lt50 ppb TPH-g 78 to 170 ppb
1990 excavation
MW-1A
MW-8
1999 excavation
Approx. Groundwater flow
Monitor well location Range of
concentrations reported for 1st and
2nd quarters of 2003 WQOs for MUN Beneficial Use
TPH-d 100 ppb TPH-g 5 ppb
MW-2
Highway 101
TPH-d 80 to 150 ppb TPH-g lt50 ppb
0 40
80
D.PARFITT 8/12/03
SCALE - FEET
MW-6
TPH-d lt50 ppb TPH-g lt50 ppb