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September 9, 2010
Industrial Case Studies

Listed below is a representative sampling of recent ERFS CASE STUDIES within the Industrial Sector. For additional details and technical data, contact an ERFS representative at 1-866-855-ERFS.


Industry:Industrial / Heavy Equipment Rental
Challenge:BTEX in soil and groundwater around former gasoline tanks and dispensers
Solution:Use of Propagations in glacial till for chemical oxidation application
Site Setting or Use:Equipment Rental
Location:Massachusetts
COCs:BTEX
Treatment Interval Soil Type:Glacial till
Depth to Groundwater:15 ft bgs
Plume Size:5,000
Injection Array:3 Props.*
Baseline Conditions:BTEX and MTBE avg 50,000 ug/l
Current or Final Conditions:BTEX & MTBE below industrial cleanup goals for two quarters


Industry:Industrial / Transportation
Challenge:Remediate abandoned right-of-way within several city blocks in advance of FDOT highway expansion project
Solution:Install Propagations and vertical wells to remediate soil and groundwater using sequential fenton-like and permanganate treatments
Site Setting or Use:FDOT Right-of-Way
Location:Florida
COCs:TCE and DCE
Treatment Interval Soil Type:Fine sand
Depth to Groundwater:15 ft bgs
Plume Size:0.75 acre
Injection Array:6 Props.* plus 10 vertical wells
Baseline Conditions:Total CVOC 300 ug/l
Current or Final Conditions:All wells either BDL or below FDEP goals


Industry:Industrial / Clothing Manufacturer
Challenge:Removal of LNAPL No. 6 fuel oil from below building foundation without disruption to business operations
Solution:Series of ConductivPlanz injections achieves results at 60% cost savings
Site Setting or Use:Clothing Manufacturer
Location:New Jersey
COCs:No.6 fuel oil
Treatment Interval Soil Type:Clay, ash, silt
Depth to Groundwater:16 ft bgs
Plume Size:13,000 sq. ft
Injection Array:6 Conductiv-Planz
Baseline Conditions:Free Product TPH avg 200,000 ppm
Current or Final Conditions:Site in final polishing phase


Industry:Industrial / Former Printing Operation
Challenge:Site was stalled in monitoring phase for 5 years. ERFS goal was to meet state requirements and finally close out project
Solution:After 3 treatments within 9 months, CVOC remained below standards throughout one year of post-treatment monitoring, resulting in SRCO (NFA) by FDEP
Site Setting or Use:Warehouse
Location:Florida
COCs:DCE and Vinyl Chloride (VC)
Treatment Interval Soil Type:Clay with fine silt
Depth to Groundwater:3 ft bgs
Plume Size:1,800 SF
Injection Array:3 Vertical wells
Baseline Conditions:DCE at 25 ug/l, VC at 120 ug/l
Current or Final Conditions:All CVOC, BDL for 4 Qtrs.

Sample ID

 

 

Date

 

 

Results (ug/L) and GCTLs

Vinyl Chloride

1

1,1-DCA

70

c-1,2-DCE

70

Total VOC

 

% Change

 

 

 

 

 

 

 

 

MW-13

Apr-03

2.5

4.3

0.51

7.31

 

 

5/28/2004

<1

<1

<1

0

100%

 

10/7/2004

<1

1

<1

1

86%

 

3/1/2005

<1

<1

<1

<1

100%

 

 

 

 

 

 

MW-17

Apr-03

110

48

5.1

163.1

 

 

5/28/2004

4.2

9.6

1.2

15

91%

 

10/7/2004

<1

2.7

<1

2.7

98%

 

3/1/2005

<1

<1

<1

<1

100%

 

 

 

 

 

 

MW-18

Apr-03

0.52

22

2.9

25.42

 

 

5/28/2004

<1

<1

<1

0

100%

 

10/7/2004

<1

12

<1

12

53%

 

3/1/2005

<1

<1

<1

<1

100%

 

 

 

 

 

 



Industry:Industrial / Auto Repair Shop
Challenge:Oil cleanup in fine sand
Solution:ERFS installed additional injection points and continued polishing to attain stated goals
Site Setting or Use:Auto Repair Shop
Location:New Jersey
COCs:Hydraulic fluid and motor oil
Treatment Interval Soil Type:Fine sand
Depth to Groundwater:7 ft bgs
Plume Size:3,500 SF
Injection Array:3 Props.*
Baseline Conditions:LNAP
Current or Final Conditions:No LNAPL, Soil TPH reduced to below goal of 10,000 mg/kg

* Propagation delivery devices
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