• Site Location: Atlanta, GA
• Contamination: Average Concentrations: Trichloroethene (117 ug/l); Tetrachloroethene (1,444 ug/l); and Cis-1,2-Dichloroethene (100 ug/l).
• Geology: Sands in the vadose and the saturated zones and fractured rock in the deeper zone. Depth to groundwater is ~18 ft bgs; hydraulic conductivity is 5.9 ft/day.
• Area Treated: ~8,000 Sq. ft total area. Target treatment zone ranged from ~2-18 ft bgs (unsaturated zone), ~18-55 ft bgs (saturated zone), and up to 80 ft bgs (fractured rock).
• Effectiveness: GW: 83% reduction of total VOCs site-wide after 1st treatment event, which improved to 89% reduction (except MW-29) after 2nd treatment event. Soil: Treated to ND concentrations.

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• Site Location: Mechanicsburg, PA
• Contamination: Bedrock aquifer impacted with VOCs, SVOCs, PAHs, PCBs and pesticides. Primary site COCs include Chlorobenzene (817 ug/l), cis-1,2-Dichloroethene (1,673 ug/l), 1,4–Dichlorobenzene (51 ug/l), Vinyl Chloride (141ug/l) and Trichloroethene (3,712 ug/l).
• Geology: Clay and silt extends from ground surface to 30 ft bgs underlain by fractured limestone bedrock. Depth to groundwater is approx. 30 ft bgs; hydraulic conductivity is between 4.3x10-4 cm/sec and 8.6x10-3 cm/sec.
• Area Treated: Approx. 130,000 Sq. ft total area. Target treatment zone ranged from approx. 30 ft bgs to 100 ft bgs within the fractured bedrock.
• Effectiveness: 87% site-wide reduction of VOCs from average baseline. 20 wells sampled. CB below RGs in 15, 1,2-DCE and VC below RGs in 12 wells, TCE below RGs in 8 wells, Aroclor 1260 below RGs in 14 wells, 1,4-DCB below RGs in 19 wells, 4,4-DDT below RGs in 18 wells and alpha-BHC below RGs in 19 wells.

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• Site Location: Eatontown, NJ
• Contamination: TCE, PCE, cis-1,2-DCE, BTEX, and PCBs.  Average Concentrations: GW VOC (75,204 ug/l); Soil VOC (2,402 mg/kg); GW PCB (ND); and Soil PCB (4,095 mg/kg).
• Geology: Sands and silt from ground surface to a depth of ~45 ft bgs underlain by sandy clays. Depth to groundwater is ~7-8 ft bgs; GW flow is moderate and to the north.
• Area Treated: ~32,600 Sq. ft total area. Target treatment zone ranged from ~5-20 ft bgs.
• Effectiveness: For soil, VOC reduction was achieved at 10 of 12 monitoring locations with reduction rates ranging between 75% to greater than 99%. PCB reduction rates ranged from 35% to greater than 99% at 10 of 12 locations. For GW, VOC reduction was achieved in all 8 monitoring locations with reduction rates ranging from 70% to greater than 99%. PCBs were present below detection limits in GW. Baseline versus post-treatment mass calculations indicate an approximate 70,600 lbs mass destruction in soils and groundwater within the target treatment area.

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• Site Location: Rome, NY
• Contamination: Chlorobenzene (CB), 1,2-dichlorobenzene(1,2-DCB), 1,3-dichlorobenzene(1,3-DCB), 1,4-dichlorobenzene(1,4-DCB). GW Average VOC Concentrations: CB (1,333 ug/l), 1,2-DCB (94 ug/l), 1,3-DCB (7 mg/l) and 1,4-DCB (111ug/l).
• Geology: Silty sands with minor quantities of clay, bedrock approximately 25 feet bgs. Depth to groundwater is ~10-12 ft bgs; GW flow is moderate and to the southwest.
• Area Treated: ~8,000 Sq. ft total area. Target treatment zone ranged from ~10-25 ft bgs.
• Effectiveness: For GW, VOC reduction was achieved at all monitoring locations with reduction rates ranging between 39% to 99%. Average VOC concentrations were reduced by 78%. Average concentrations of CB were treated from a baseline concentration of 1,333 µg/l to 263 µg/l. Conservative mass calculation estimated between 5.9 -10.5 lbs VOC mass removal following Phase I and between 17.4 -17.6 lbs. of VOC mass removal following Phase II.

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• Site Location: Sussex County, NJ
• Contamination: 1,4-Dichlorobenzene (341 ppb); 1,2-Dichlorobenzene (2,760 ppb); Naphthalene (279 ppb)
• Geology: Fractured bedrock underlying glacial overburden 9-20 ft thick; water table is at approximately 20-25 ft bgs within the bedrock
• Area Treated: Approximately 1200 sq. ft at an interval from 20-65 ft bgs.
• Effectiveness: Site-wide groundwater contamination reduced by 98%. All COCs were treated to ND or well below NJDEP groundwater criteria.

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• Site Location: Vancouver, Washington
• Contamination: Average concentrations of TCE (1,387 ug/l) and PCE (3,267 ug/l)
• Geology: Semi-confined sand
• Area Treated: Source area and plume
• Effectiveness: Average TCE concentrations reduced by 98%, and average PCE concentrations reduced by 99%

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• Site Location: NE Florida
• Contamination: Trichloroethene (200 ppb); Tetrachloroethene (54 ppb); and Trans 1,2-Dichloroethene (42 ppb) in groundwater.
• Geology: Undifferentiated sediments consisting of sand and shell with some clay and clay-rich layers; water table is at approximately 8-10 ft bgs.
• Area Treated: 8,500 Sq. ft area at 5-40 ft bgs vertical depth interval.
• Effectiveness: All contaminants were treated to below applicable FDEP groundwater quality criteria (MCLs) throughout the site following ISOTEC pilot and full-scale treatment programs. A "Site Rehabilitation Completion Order" was issued.

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• Site Location: NE Florida
• Contamination: Trichloroethene (350 ppb); Tetrachloroethene (48 ppb); Vinyl Chloride (38 ppb); Cis-1,2 Dichloroethene (2,901 ppb);and Trans-1,2-Dichloroethene (146 ppb).
• Geology: General shallow subsurface conditions at the site consist of very fine sands; water table at approximately 3 feet bgs.
• Area Treated: 11,250 square feet at 3 to 20 feet bgs vertical depth interval.
• Effectiveness: 90% reduction of total VOCs site wide. All concentrations reduced to below the FDEP natural attenuation default concentrations.

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• Site Location: Passaic, NJ
• Contamination: trans-1,2-Dichloroethene (18.8 ppb); cis-1,2-Dichloroethene (317,200 ppb); Xylenes (3,400 ppb); Ethylbenzene (2,000 ppb); Trichloroethene (78 ppb); and Vinyl Chloride (4,224 ppb) in groundwater.
• Geology: Fine silt and clay layer; water table at approximately 8-10 ft bgs.
• Area Treated: Approximately 1000 sq. ft .
• Effectiveness: Site-wide total VOCs were reduced from 278,849 ppb to 178 ppb.

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• Site Location: Ocean County, NJ
• Contamination: Chloroform (25 ppb); 1,1,1-Trichloroethane (33 ppb); Trichloroethene (493 ppb); and Tetrachloroethene (212 ppb)
• Geology: Sandy, silty, clay stratum (3 to 18 ft bgs) overlying basalt bedrock. Water table is at approximately 10 ft bgs.
• Area Treated: Approximately 1,400 sq. ft.
• Effectiveness: Site-wide total VOCs were reduced by >70% with chlorinated VOCs decreased from 793 ppb to 269 ppb. NJDEP issued No Further Action letter and closed the case.

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• Site Location: Northern NJ
• Contamination: Tetrachloroethene (203 ppb).
• Geology: Unconsolidated zone above fractured bedrock, "Zone A"
• Area Treated: ~20,000 sq. ft in Zone A (22’-26’) and bedrock (38’-67’).
• Effectiveness: Total VOCs reduced by 74% in Zone A & 58% in bedrock.

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• Site Location: Southern Colorado
• Contamination: Tetrachloroethene - PCE (up to 19,800 ppb in the plume; higher conc. in selected hot spots).
• Geology: Sand + Clay formation up to 30 ft underlain by fractured shale; water table is at approximately 25 ft bgs.
• Area Treated: ~ 15,000 sq.ft with an interval of 20-30 ft bgs.
• Effectiveness: Achieved over 75% reduction of PCE in DNAPL source area when both SVE and P/T systems failed to meet the remedial goals.

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• Site Location: Midwestern U.S.
• Contamination: 1,1-Dichloroethene (1,780 ppb); Methylene Chloride (3,180 ppb); Toluene (2,776 ppb); 1,1,1-Trichloroethane (33,100 ppb); Trichloroethene (29,400 ppb).
• Geology: Saturated sand and gravel.
• Area Treated: 1,500 Sq. ft area at 10-27 ft bgs vertical depth interval plus ex-situ treatment of 18,000 gallons purge water in a Frac Tank.
• Effectiveness: Site-wide total VOCs and TICs reduced from 74,262 ppb to 7,347 ppb (90%).

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• Site Location: Eastern PA
• Contamination: Carbon Tetrachloride (1500 ppb); and Chloroform (190 ppb) in groundwater.
• Geology: Sandy silt with some gravel to a depth of about 6 ft; below this it changes mostly to silt with some sand underlain by weathered bedrock. The water table is approximately 6-7 ft bgs.
• Area Treated: ~5,650 Sq. ft area at 5-20 ft bgs vertical depth interval.
• Effectiveness: Site-wide Carbon Tetrachloride reduced by 86% and Chloroform by 76%.

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• Site Location: Bergen, NJ
• Contamination: Trichloroethene (19,805 ppb); trans & cis-1,2-Dichloroethene (113,660 ppb) and Vinyl Chloride (17,570 ppb) in groundwater.
• Geology: Silty soil, saturated zone from 5’-40’ bgs; water table is at approximately 5-8 ft bgs.
• Area Treated: 5,400 Sq. ft area at 5-40 ft bgs vertical depth interval.
• Effectiveness: Total VOCs reduced by 98% from 151,476 ppb to 3,180 ppb.

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• Site Location: South Florida
• Contamination: Trichloroethene (14,555 ppb); Tetrachloroethene (26,598 ppb); Vinyl Chloride (18,112 ppb); and Cis-1,2-dichloroethene (283,219 ppb).
• Geology: Medium grain quartz sand with silty soil & limestone fragments to 42 feet bgs; indurated carbonate sandstone & limestone to 83’ bgs; water table at 6 ft bgs.
• Area Treated: ~24,000 Sq. ft area at 5-40 ft bgs vertical depth interval.
• Effectiveness: Total VOC’s reduced by 87% from 346,204 ppb to 41,976 ppb.

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• Site Location: Southern CA
• Contamination: Trichloroethene (96,000 ppb in groundwater).
• Geology: Poorly sorted medium to fine grain sand; water table at approximately 20 ft bgs.
• Area Treated: 1,250 Sq. ft - 3 treatment intervals, 20-30, 35-45, 50-60 ft bgs.
• Effectiveness: - Overall 60% reduction in most heavily contaminated zone with one well showing 95% reduction.

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• Site Location: Central NJ
• Contamination: Ethanol (354,943 ppb), Trichloroethene (31,162 ppb), Methylene Chloride (10,200 ppb), Trichlorofluoromethane (51,762 ppb) & 1,1,1-Trichloroethane (11,166 ppb).
• Geology: Fractured bedrock aquifer. Water table is at approximately 14-25 ft bgs.
• Area Treated: Treatment interval 20-70 ft bgs for pilot. On going full scale is 100,000 sq ft and 20-70 ft bgs.
• Effectiveness: Site-wide total VOCs reduced by 93% from 108,380 ppb to 7,328 ppb. Site-wide Ethanol concentrations reduced by 99% from 354,943 ppb to 4,591 ppb

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• Site Location: Middle, Georgia
• Contamination: VOCs including Chlorobenzene (7,412 µg/l ), TCE (2,455 µg/l ), cis-1,2-DCE (7,039 µg/l ), DCB Isomers, arsenic, lead, cadmium, chromium and SVOCs including polycyclic aromatic hydrocarbons (PAHs).
• Geology: Fill material consisting of clay, silt and sand from ground surface to a depth of approximately 10 feet bgs underlain by a clay unit to approximately 40 feet bgs.
• Area Treated: Source area and plume (estimated to be 307,500 sq ft). Target treatment interval from 30-50 feet bgs for majority of site and from 10-20 feet bgs for the southern most areas of the site.
• Effectiveness: A 90% reduction in all 10 compliance wells was noted after 5th full-scale injection event. The 10 compliance wells selected for the site performance criteria remediation goals showed reductions ranging from 70%-99%.

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• Site Location: East Coast, United States
• Contamination: Chlorinated VOCs including PCE, TCE, Vinyl Chloride and cis-1,2-DCE.
• Geology: Fine to medium silty and clayey sand matrix underlain by a sandy clay semi-confining unit at 35 feet bgs. Average hydraulic conductivity was 1.02 x 10 -2 cm/sec in the shallow water bearing unit. Depth to GW is approximately 15-20 feet bgs; with flow in the easterly direction.
• Area Treated: Target treatment area was approximately 4,500 sq ft targeting the 20-35 feet bgs vertical interval.
• Effectiveness: Treatment program results indicated a sharp reduction in the concentration of VOCs, with overall site-wide contamination reduced by over 87% on average and over 92% in the treatment area.

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• Site Location: Edison, New Jersey
• Contamination: Carbon Tetrachloride, Chloroform, TCE, PCE, Vinyl Chloride, and 1,1-DCE.
• Geology: Site is underlain by shale of the Passaic formation. Competent bedrock is overlain by up to 10 feet of unconsolidated materials consisting of in-place weathered bedrock, silt and clay, as well as some reworked local soil. The water table is approximately 6 ft bgs.
• Area Treated: Target treatment area is approximately 415 ft x 275 ft. The target vertical treatment zone covered the 10-100 feet bgs depth interval. Injection well clusters were installed and two depth intervals (10-50 feet bgs and 60-100 feet bgs) were targeted.
• Effectiveness: Average VOC results for all 22 wells sampled show an overall 52% reduction following the last application. Additional treatments have been approved by the client and are pending regulatory approval.

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• Site Location: Lakewood, Colorado
• Contamination: TCE, PCE, 1,1-DCE, 1,1-DCA, 1,1,1-TCA.
• Geology: Subsurface is comprised of fractured bedrock. The water table is approximately 3-15 ft bgs.
• Area Treated: Target treatment area covered a bedrock well network using a 30-foot spacing grid targeting a 25-foot screened vertical interval.
• Effectiveness: Monitoring wells located within the treatment area have been sampled over a six-year period. Overall there has been an 82% reduction of 1,1-DCE and a 93% reduction of TCE. The facility received notification from the Colorado Department of Public Health and Environment (CDPHE) requiring no further remedial action.

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• Site Location: Southern, Colorado
• Contamination: PCE.
• Geology: Subsurface is comprised of sand and clay down to 30 feet bgs underlain by fractured shale. The water table is approximately 25 ft bgs.
• Area Treated: Target treatment area covered an injection well network utilizing 30 injection points.
• Effectiveness: Following the injections, four gallons of separate-phase PCE was removed. This volume of PCE is equivalent to 8,000,000 gallons of groundwater at 5 µg/L or 2.4 years of groundwater pumping and treatment using existing systems at the site. An additional eight gallons of separate-phase PCE was oxidized.

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• Site Location: Denver, Colorado
• Contamination: PCE (3,267 µg/L) and TCE (1,542 µg/L).
• Geology: Approximately 3 feet of permeable sand and gravel situated on top of siltstone bedrock and overlain by clay. Siltstone at 10-15 feet bgs. Clay at 0-9 feet bgs. The groundwater at the site appears to be confined to the permeable zone overlying the siltstone.
• Area Treated: Phase I treatment targeted the source area (15-foot spacing) while Phase II treatments targeted the entire plume (30-foot spacing).
• Effectiveness: Following quarterly sampling events conducted over a 1-year time frame, both PCE and TCE were reduced by greater than 99%.

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• Site Location: South Florida (Superfund Site)
• Contamination: TCE (20,000 µg/L in GW; 5,200 mg/kg in soil) and TCA (15,000 µg/L in GW; 3,200 mg/kg in soil). DNAPL present at some locations.
• Geology: Oolitic limestone, oolitic & quartz-grain sandstone, and wackestone. Depth to GW approximately 8-10 feet bgs.
• Area Treated: Target treatment area covered an injection well network utilizing 8 nested well injection points targeting four depth intervals (20-30 feet bgs, 30-40, 40-50 and 50-60 feet bgs).
• Effectiveness: TCE and TCA in soils reduced by 86% and 94%, respectively. TCE and TCA in groundwater reduced by 97% and 98%, respectively.

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• Site Location: Pueblo, Colorado
• Contamination: TCE and cis-1,2-DCE.
• Geology: Interbedded fine-to-coarse grained sand and gravel from 0-40 feet bgs, underlain by shale bedrock.
• Area Treated: Source area treatment covering an injection point network consisting of three injection wells targeting the vertical interval between 27-36.6 feet bgs.
• Effectiveness: TCE and cis-DCE in GW reduced by 93% and 97%, respectively. Third pilot program injection event was cancelled due to successful results achieved after the first two events.

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• Site Location: California
• Contamination: TCE impacted groundwater.
• Geology: Subsurface is compromised of homogenous sands with a few thin silt and clay lenses to a depth of approximately 22 feet bgs, underlain by a clay layer. Depth to GW is approximately 11 feet bgs.
• Area Treated: Target treatment area was approximately 10,000 sq. feet targeting the 12-16 and 16-21 feet bgs depth intervals.
• Effectiveness: Average TCE concentrations were reduced by 87% throughout the site with one location showing a >99% reduction.

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