Soil Vapor Assessment Report
Cave Creek Landfills

Maricopa County Risk
Management Department
222 North Central Avenue
Suite 1110
Phoenix, Arizona 85004

July 8, 2005
10.203045.01

SCS ENGINEERS

ATTACHMENT A
FIGURES

Site

N
Disclaimer: This figure is based on available data. Actual
conditions may differ. All locations and dimensions are
approximate

SCS ENGINEERS
“Superior Customer Service”

Site Location Map
Cave Creek Landfills
3955 East Carefree Highway
Cave Creek, Arizona

Project Number:
10.203045.01

Figure 1

ATTACHMENT B
BORING LOGS AND PROBE CONSTRUCTION DIAGRAMS

ATTACHMENT C
SUMMARY OF LABORATORY RESULTS

Cave Creek Landfills
Laboratory Results Summary Table
3955 East Carefree Highway
Cave Creek, Arizona

Sample ID

P-2
P-2
P-5
P-6
P-7
P-8
P-10
P-11
P-12
P-13
P-13
P-17
P-17
P-18
P-18
P-19
P-19
P-22
P-23
P-25
NDP-1
NDP-1
NDP-1
NDP-1
NDP-1
NDP-1
NDP-2
NDP-2
NDP-2
NDP-2
NDP-2
NDP-2
ODP-1
ODP-1
ODP-1
ODP-1
ODP-2
ODP-2
ODP-2
ODP-2
ODP-3
ODP-3
ODP-3
ODP-3
ODP-4
ODP-4
ODP-4
ODP-4

Sample
Date

11/16/04
11/15/04
11/18/04
11/16/04
11/16/04
11/16/04
11/16/04
11/16/04
11/16/04
11/16/04
11/16/04
11/16/04
11/16/04
11/15/04
11/15/04
11/15/04
11/15/04
11/16/04
11/16/04
11/15/04
11/15/04
11/15/04
12/08/04
12/08/04
06/10/05
06/10/05
11/15/04
11/15/04
12/08/04
12/08/04
06/10/05
06/10/05
11/18/04
11/18/04
12/08/04
12/08/04
11/18/04
11/18/04
12/08/04
12/08/04
11/18/04
11/18/04
12/08/04
12/08/04
11/18/04
11/18/04
12/08/04
12/08/04

Sample
Depth
(in feet)

20*
50*
50*
20*
50*
20*
20*
50*
20*
20*
50*
20*
50*
20*
50*
20*
50*
50*
20*
50*
90
140
90
140
90
140
90
140
90
140
90
140
90
140
90
140
90
140
90
140
90
140
90
140
90
140
90
140

EPA Test Method 624 Modified (ug/L)
Trichloroethene

Dichlorodifluoromethane

Tetrachloroethene

cis-1,2-Dichloroethene

1,1-Dichloroethane

< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
1.7
1.2
< 0.50
7.6
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
8.3
< 0.50
1.9
0.87
0.52
1.5
1.6
8.3
15.0
< 0.50
0.89
0.88
1.60
4.70
3.40
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50

< 5.0
< 5.0
5.1
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
5.1
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
8.5
11
< 5.0
< 5.0
< 5.0
14
14
17
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0

< 0.50
< 0.50
1.6
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
0.93
< 0.50
1.5
1.3
8
9.6
< 0.50
1.4
1.4
3.8
5.2
6.4
1.5
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
13
11
1.9
0.64
0.87
0.74
< 0.50
< 0.50

< 0.50
< 0.50
0.66
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
0.56
< 0.50
1.4
1.1
1.6
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50

< 0.50
< 0.50
0.83
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
0.51
< 0.50
< 0.50
< 0.50
1.1
< 0.50
0.91
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50
< 0.50

1,1,2,2-Tetrachloroethane 1,1-Dichloroethene Vinyl Chloride
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
1
< 1.0
< 1.0
< 1.0

< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
3.3
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0

< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
5.7
< 1.0
< 1.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0

Toluene

Trichlorofluoromethane

< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
2.1
2.2
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0
< 1.0

< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
5.4
6.5
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0
< 5.0

ATTACHMENT D
LABORATORY REPORTS