• Site Location: Tampa, Florida
• Contamination: Naphtalene (194 ug/l); MTBE (100 ug/l); Benzene (942 ug/l); Toluene (2,750 ug/l); Ethylbenzene (784 ug/l); and Total Xylenes (2,040 ug/l).
• Geology: Site is composed of clayey fine sands, silts and clays. White to brown fine grained sand to mottled brown clayey sand from land surface to 12 ft bgs. Tan to grey sandy clay to 18 ft bgs. Clay from 18 to 30 ft bgs.
• Area Treated: Approximately 660 square feet (sf) area - 10-20 ft bgs treatment interval.
• Effectiveness: Substantial GW VOC reduction of higher than 99% was achieved after only one treatment application. Treatment area total VOC concentration was reduced from 6,810 ppb to 6.2 ppb. The entire project was completed for under $40,000 dollars and the client has recommended that the site enters a natural attenuation monitoring program.

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• Site Location: Florida
• Contamination: Benzene (3 ppb); Toluene (127 ppb); Ethylbenzene (266 ppb); and Total Xylenes (3,028 ppb).
• Geology: Fine-to coarse-grained sand interbedded with layers of clayey to silty sand from ground surface to a depth of ~68 ft bgs underlain by weathered limestone. Depth to groundwater is ~25 ft bgs; GW flow is moderate and to the south-southwest.
• Area Treated: ~3,600 Sq. ft total area. Target treatment zone ranged from ~26-35 ft bgs.
• Effectiveness: GW VOC reduction rates exceeded 99% in all three locations. Treatment area VOC concentrations were reduced from 3,424 ppb to 17 ppb.

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• Site Location: Indiana
• Contamination: Benzene, Toluene, Ethylbenzene, Xylenes (BTEX), Diesel Range Organics (DRO) and Gasoline Range Organics(GRO). Concentrations: Maximum GW concentrations (9,700 ppb) BTEX; (21,000 ppb) DRO; and (40,000 ppb) GRO. Soil levels as high as (1,000 ppm) BTEX; (2,100 ppm) DRO; and (920 ppm) GRO).
• Geology: Sands and gravel from surface to 3-6 ft bgs, underlain by a 2-6 foot thick clay-silt peat layer, followed by fine to coarse sands to 24 ft bgs.
• Area Treated: ~36,000 Sq. ft total area. Target treatment zone ranged from ~14-20 ft bgs.
• Effectiveness: For soil, COC reduction was achieved at all 12 monitoring locations with individual reduction rates ranging between 20% to greater than 99%. Total average soil concentration reduction rates ranged from 94% to greater than 99% for VOCs, DRO and GRO. For GW, COC reduction was achieved at 11 of 12 monitoring locations with reduction rates ranging from 15% to greater than 99%. Total average gw concentration reduction rates ranged from 68% to 83% for VOCs, DRO and GRO. Baseline versus post-treatment mass calculations estimated an approximately 5,719 lbs mass destruction in soils and groundwater within the target treatment area.

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• Site Location: Western Florida
• Contamination: Benzene (3,736 ppb); Ethylbenzene (5,768 ppb); Toluene (10,700 ppb); Xylenes (9,984 ppb); and Naphthalene (1,372 ppb).
• Geology: General shallow subsurface conditions at the site consist of fine sands and silty sands; water table at approximately 5-7 ft bgs.
• Area Treated: 12,000 Sq. ft area at 4-15 ft bgs vertical depth interval.
• Effectiveness: Greater than 99% reduction of total VOCs and SVOCs site-wide following ISOTEC pilot and full-scale treatment programs. All concentrations reduced to below the most stringent FDEP groundwater quality standards.

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• Site Location: Long Beach, CA
• Contamination: PAHs (2,484 mg/kg) including Benzo(a)Pyrene (100 mg/kg, 340 ug/l), and TPH (27,800 mg/kg, 912,000 ug/l).
• Geology: Fill material overlying poorly sorted medium to fine grain sand; water table at approximately 10 ft bgs.
• Area Treated: Approximately 3,000 Sq. ft area at 7-12.5 ft bgs vertical depth interval.
• Effectiveness: In soil, TPH reduced by 58%, BaP equivalent by 89%; TPH & PAHs were ND in groundwater.

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• Site Location: North Creek, NY
• Contamination: Petroleum hydrocarbons in soil.
• Geology: Saturated sand and gravel, located 20 feet from banks of Hudson River.
• Area Treated: 13,800 Sq. ft area at 2.5-12 fbgs vertical depth interval. Depth to water approximately 8 - 10 ft bgs.
• Effectiveness: Total VOCs reduced by 83.1% & PAHs by 81.5%. Site received Case closure. Project received Grand Conceptor Award and National Recognition Award.

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• Site Location: Sussex County, NJ
• Contamination: Fuel Oil #2, TPH approximately 12,000 to 20,000 ppm in soil.
• Geology: Fractured bedrock formation at 4 ft bgs containing perched water table.
• Area Treated: ~1,800 sq. ft at a vertical interval of 2-12 ft bgs.
• Effectiveness: Site-wide TPH was reduced by 82% with 96% in hot spot area. The property received a "No Further Action letter."

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• Site Location: Denver, CO
• Contamination: BTEX (24,595 ppb) in groundwater.
• Geology: Confined clay layers with permeable sand lenses.
• Area Treated: ~9,600 sq. ft at a vertical interval of 2-8 ft bgs.
• Effectiveness: Overall BTEX reduced from 24,595 ppb to 89 ppb. Each COC was treated to ND or well below its cleanup level throughout the plume. State of Colorado issued an Unrestricted No Further Action letter to the property.

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• Site Location: Union, NJ
• Contamination: BTEX (28,161 ppb); Methyl t-butyl ether (7,240 ppb) in
  groundwater.
• Geology: Unconfined silty layer.
• Area Treated: Approximately 5,000 sq. ft between 0 - 20 ft bgs.
• Effectiveness: Each compound was treated to below its NJDEP
  standard; site received No Further Action letter.

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• Site Location: Oklahoma City, OK
• Contamination: BTEX up to 4,100 ppb plus free product in some locations.
• Geology: Alluvial sand; water table is approximately 12 ft bgs.
• Area Treated: ~3,000 sq. ft at an interval of 20-30 ft bgs.
• Effectiveness: Up to 93% reduction in total VOCs site-wide.

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• Site Location: Southern NJ
• Contamination: Toluene (87 ppb); Ethylbenzene (91 ppb); Xylenes (1,260 ppb); Naphthalene (27 ppb); and 2-Methylnaphthalene (5 ppb).
• Geology: Sandy formation; water table is approximately 9-10 ft bgs.
• Area Treated: Approximately 1000 sq. ft at an interval of 10-18 ft bgs.
• Effectiveness: All COCs were treated to below NJDEP groundwater criteria with VOCs reduced by 99% and base neutral compounds by 76%.

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• Site Location: West Chester, NY
• Contamination: BTEX (4,869 ppb) and MTBE (451 ppb).
• Geology: Very fine to coarse sand and gravel underlain by fractured bedrock. Water table is approximately 3-10 ft bgs.
• Area Treated: - Two separate areas: 2,400 sq ft BTEX plume and a downgradient 17,600 sq ft MTBE plume targeting the 11 - 20 ft bgs interval.
• Effectiveness: 66% reduction of total BTEX and 62% of MTBE in hot spots, and below NYSDEC cleanup criteria in downgradient area. NYSDEC issued No Further Action letter.

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• Site Location: Northwestern Florida
• Contamination: Benzene (29,942 ppb); Toluene (25,009 ppb); and Ethylbenzene (2,942 ppb).
• Geology: Compact fine to medium grained silty clayey sands from land surface to 6 ft bgs followed by a clay lens; water table is approximately 6-7 ft bgs in source area.
• Area Treated: 14,130 Sq. ft area at 3-17 ft bgs vertical depth interval.
• Effectiveness: Benzene was reduced by >90%; Ethylbenzene and Toluene were treated to below FDEP criteria in the treated area.

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• Site Location: Tulsa, Oklahoma
• Contamination: TPH in soil ranged from 5,000 mg/kg to 8,000 mg/kg
• Geology: Coarse, sandy soil and native fill underneath an 8-inch concrete slab
• Area Treated: 3,750 Sq. ft area at 1.0-2.5 ft bgs vertical depth interval.
• Effectiveness: TPH was reduced by >90%.

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• Site Location: Long Island, NY
• Contamination: VOCs, primarily BTEX & Naphthalene (BTEX 501,000 ppm in soil, 300 ppm in GW).
• Geology: Fine to course grain sand with gravels underlain by 2-6 ft thick peat layer.
• Area Treated: Approximately 29,200 sq. ft at an interval of 5-12 ft bgs.
• Effectiveness: Site-wide BTEX & Naphthalene in soil were reduced from 644,498 ppm to 12 ppm. This site is currently undergoing a long term monitoring program under NYSDEC review.

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

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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 ug/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: Frenchglen, Oregon
• Contamination: Total Petroleum Hydrocarbons in Gasoline (TPH-G), 1,2,4-methylbenzene and Benzene.
• Geology: The subsurface is compromised of sands and silty sands with very dense silty sand layers. GW is encountered at approximately 6-7 feet bgs.
• Area Treated: Target treatment area covered an injection well network utilizing 28 injection points targeting two depth intervals at each location.
• Effectiveness: TPH-G mass was reduced by approximately 71% and benzene mass was reduced by 90%.

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• Site Location: Homer, Louisiana
• Contamination: Total Petroleum Hydrocarbons in Gasoline (TPH-G) and Benzene (350 mg/kg in soil; 1,435 µg/L in GW).
• Geology: The subsurface is compromised of sandy clays. GW is encountered at approximately 12 feet bgs.
• Area Treated: Target treatment area was approximately 2,000 sq. feet covering the 15-18 and 18-21 depth intervals.
• Effectiveness: Benzene concentrations were reduced by 85% and 90% in MW-3 and MW-5, respectively. Full-Scale ISCO remediation program reduced the TPH-G mass by approximately 2,500 lbs. (from 2,800 lbs. to 300 lbs.). Based on contaminant concentration reductions at the site, a No Further Action (NFA) determination was made by the Louisiana Department of Environmental Quality (LDEQ).

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• Site Location: Paramount, California
• Contamination: Tert-butyl-alcohol (TBA).
• Geology: The subsurface is compromised of sandy silt and silty clay to a depth of approximately 25 feet bgs underlain by silty, fine-sand to the total depth explored of 40 feet bgs.
• Area Treated: Target treatment area was approximately 11,000 sq. feet covering the 26-37 feet bgs depth interval.
• Effectiveness: Average TBA concentration in GW reduced by 96%.

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• Site Location: Fort Worth, Texas
• Contamination: Total Petroleum Hydrocarbons (TPH) and BTEX contaminants.
• Geology: The subsurface is compromised of sand and silty-sand from the surface to a depth of 5 feet bgs. This unit is underlain by a silty-clay, approximately 5-10 feet thick, that acts as a confining layer to groundwater present in a clayey-sand found beneath the silty-clay.
• Area Treated: Target treatment area was approximately 3,000 sq. feet covering the 22-30 feet bgs depth interval.
• Effectiveness: Average TPH and BTEX concentrations in soil reduced by 86% and 83%, respectively.

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• Site Location: Antioch, California
• Contamination: Total Petroleum Hydrocarbons in Gasoline (TPH-G) and Benzene. Concentrations as high as 15,000 µg/L for TPH-G and 2,200 µg/L for Benzene.
• Geology: The subsurface is compromised mostly of silt from ground surface-11 feet bgs, and clay from 11-36 feet bgs. The clay is underlain by sandy-silt to approximately 53 feet bgs. GW is encountered at approximately 36 feet bgs; flow ranging from northeasterly to northwesterly.
• Area Treated: Target treatment area was approximately 4,000 sq. feet covering the 22-34 and 36-44 depth intervals.
• Effectiveness: Benzene concentrations were reduced by 95% and 97% in VW-2 and SVE-1, respectively. TPH-G concentrations were reduced by 81% and 91% in VW-2 and SVE-1, respectively.

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• Site Location: Medford, New Jersey
• Contamination: Benzene-3,500 ppb (GW), 5,000 ppb (Soil); Toluene-5,200 ppb (GW), 160,000 ppb (Soil); Ethylbenzene-1,100 ppb (GW), 120,000 ppb (Soil); Total Xylenes-5,700 ppb (GW), 590,000 ppb (Soil); Total VOC TICs-4,140 ppb (GW), 850,000 ppb (Soil); and TPH-15,400 ppb (Soil).
• Geology: Targeted portion of the aquifer is composed of clayey silts. GW is encountered at approximately 4-6 feet bgs.
• Area Treated: Three areas of the property were treated, including the garage area underneath the residence. Target vertical treatment area between 4-15 feet bgs.
• Effectiveness: Maximum GW VOC reduction was achieved in MW-1 with each individual BTEXN compound treated by greater than 99% and total VOC TICs treated to ND value. Results from MW-2 showed reduction in VOCs ranging from 48%->99%; naphthalene showed an increase in concentration. Total VOC TICs were reduced by 55%. Post-treatment soil samples indicated reduction of all COCs except for total xylenes to below criteria in the sample collected north of the building; all COCs below criteria except for benzene in the sample collected beneath the residence; and all COCs treated below criteria in the sample collected south of the building.

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• Site Location: Blackwood, New Jersey
• Contamination: #2 Fuel Oil Related Compounds. VOCs-1,169 ppb (GW), SVOCs-2,460 ppb (GW), VOC TICs-611 ppb (GW), SVOC TICs-50,100 ppb (GW), and TPH-32,000 ppm (Soil). LNAPL sheen has been observed in site GW.
• Geology: Targeted portion of the aquifer is composed of fine, medium and coarse sands to approximately 24 ft bgs. GW is encountered at approximately 17-18 feet bgs.
• Area Treated: ~1,330 sq. ft at a vertical interval of 17-24 ft bgs.
• Effectiveness: Four existing and three newly installed monitoring wells were used to measure treatment effectiveness. Three locations showed low to ND levels. The four remaining locations showed reductions ranging from 93%-98% for VOCs, 88%-100% for SVOCs, 41%-95% for VOC TICs and 72%-96% for SVOC TICs. Two locations showed VOC increases.

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