Bentley’s Garment Care
Groundwater Remediation
System
Jim Schneider, Environmental Geologist II
Kansas Dept. of Health & Environment
SCRD Fall Meeting
September 30, 2004
Kansas City, Missouri
1
Bentley’s Garment Care
Neodesha, Kansas
2
Bentley’s Garment Care
Neodesha, Kansas
• History
• Environmental Site Assessment
• Corrective Action
–
–
–
–
–
–
Decision
Trenching
Remediation System
Modifications
Operation and Maintenance
Performance
3
Bentley’s Garment Care
Neodesha, KS
History
• 1981 began
operating at
present location.
• Coin operated
laundry facility and
drycleaner services.
4
Bentley’s Garment Care
Neodesha, KS
History
• 1996 PCE detected
in BP/Amoco
refinery off-site
monitoring well
• 1997 PreCERCLIS SRE
identified Bentley’s
as source of PCE
5
Bentley’s Garment Care
Neodesha, KS
Environmental Site Assessment
• 1997 Bentley’s
applied for funding
through the DFRTF
• 2001
– Eligible for fund
expenditure
– ESA conducted
6
Bentley’s Garment Care
Neodesha, KS
Environmental Site Assessment
• Total of 15
probes
advanced.
• Identified
extent of
contamination.
7
Bentley’s Garment Care
Neodesha, KS
Environmental Site Assessment
• Installed 27
Goresorber®
modules on site
• Identified Primary
and Secondary
source areas
8
Bentley’s Garment Care
Neodesha, KS
Corrective Action
• Installed ten
monitoring wells
• Include BP/Amoco
well in monitoring
well network
9
Bentley’s Garment Care
Neodesha, KS
Corrective Action - Decision
•
•
•
•
•
•
Tight clays.
Building over source area.
Impacted pool sump.
High profile site.
BP remediation.
Limited budget.
10
Bentley’s Garment Care
Neodesha, KS
Corrective Action - Decision
• February 2003
proposed
remediation system
to City of Neodesha.
• City requested
building instead of
trailer.
11
Bentley’s Garment Care
Neodesha, KS
Corrective Action - Decision
12
Bentley’s Garment Care
Neodesha, KS
Corrective Action-Site Preparation
13
Bentley’s Garment Care
Neodesha, KS
Corrective Action-Site Preparation
14
Bentley’s Garment Care
Neodesha, KS
Corrective Action-Trench Installation
15
Bentley’s Garment Care
Neodesha, KS
Corrective Action-Trench Installation
16
Bentley’s Garment Care
Neodesha, KS
Corrective Action-Trench Drain Tile
17
Bentley’s Garment Care
Neodesha, KS
Corrective Action-Fuse Drain Tile
18
Bentley’s Garment Care
Neodesha, KS
Corrective Action-Fuse Drain Tile to Sump Well
19
Bentley’s Garment Care
Neodesha, KS
Corrective Action-Trencher Preparation
20
Bentley’s Garment Care
Neodesha, KS
Corrective Action-Trencher Preparation
21
Bentley’s Garment Care
Neodesha, KS
Corrective Action-Overhead View of Trench
22
Bentley’s Garment Care
Neodesha, KS
I wouldn’t
have done
it that way.
Are you
sure it will
work?
How many regulators does it
take to oversee a project?
Is it
lunchtime
yet?
Is that in
the work
plan?
23
Bentley’s Garment Care
Neodesha, KS
Corrective Action-Trench Installation
24
Bentley’s Garment Care
Neodesha, KS
Corrective Action-Trench Installation
25
Bentley’s Garment Care
Neodesha, KS
Corrective Action-Waste Handling
26
Bentley’s Garment Care
Neodesha, KS
Corrective Action-Trench Completion
27
Bentley’s Garment Care
Neodesha, KS
Corrective Action – Trench Completion
28
Bentley’s Garment Care
Neodesha, KS
Remediation Building Footings
29
Bentley’s Garment Care
Neodesha, KS
Corrective Action – Utility Line Installation
30
Bentley’s Garment Care
Neodesha, KS
Corrective Action – Remediation Building
31
Bentley’s Garment Care
Neodesha, KS
Corrective Action – Pool Sump Pit
32
Bentley’s Garment Care
Neodesha, KS
Corrective Action – Remediation System
GAC
Drum
MSDBAS
Stripper
Holding
Tank
Transfer
Pump
Blower
33
Bentley’s Garment Care
Neodesha, KS
Corrective Action – Diffused Bubbler System
34
Bentley’s Garment Care
Neodesha, KS
Corrective Action – Modifications
Before
After
35
Bentley’s Garment Care
Neodesha, KS
Corrective Action – Modifications
Before
After
36
Bentley’s Garment Care
Neodesha, KS
Corrective Action – Modifications
Before
After
37
Bentley’s Garment Care
Neodesha, KS
Corrective Action – Maintenance
38
Bentley’s Garment Care
Neodesha, Kansas
Cost of System Installation
• Trench Installation
• Remediation System
• System Modification
– Contractor Proposed Cost
– KDHE Engineering
$55,000
$64,000
$3000
$0
39
Bentley’s Garment Care
Neodesha, Kansas
Corrective Action – Performance
40
Bentley’s Garment Care
Neodesha, KS
Pre-Remediation
March 16, 2004
During Remediation
September 17, 2004
795.8
795.3
795.0
794.5
794.2
795.7
793.8
795.2
793.3
794.7
793.0
792.5
794.2
792.2
793.7
791.8
793.2
791.3
792.7
791.0
792.2
790.5
790.2
791.7
791.2
790.7
790.2
Surfer®
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Bentley’s Garment Care
Neodesha, KS
Corrective Action – Performance
Influent vs. Effluent
100
10
1
0.1
3/
29
/0
4
4/
12
/0
4/ 4
26
/0
5/ 4
10
/0
4
5/
24
/0
4
6/
7/
04
6/
21
/0
4
7/
5/
04
7/
19
/0
4
8/
2/
0
8/ 4
16
/0
4
8/
30
/0
4
PCE (ug/L)
1000
Influent
Effluent
Date
42
Bentley’s Garment Care
Neodesha, KS
Lessons Learned
• More consulting
experience
required.
• Initial effectiveness
of communicating
with the city.
43
Bentley’s Garment Care
Neodesha, KS
Lessons Learned
• Developed a good
relationship with the
City of Neodesha.
• KDHE “Hands On”
engineers.
• Flexibility led to cost
savings
– Used available equipment
– Subcontractor schedules
44
Bentley’s Garment Care
Neodesha, KS
45
Bentley’s Garment Care
Neodesha, KS
46