| Site Name/ Contact |
Technology/ Vendor |
Media Treated | Contaminants Treated | Operating Parameters | Materials Handling | Residuals Management | Comments |
|---|---|---|---|---|---|---|---|
| Savannah
River DOE Program Manager |
Bioventing | Soil & Ground water | TCE and PCE.
Soil:10 ppm, GW: 1 ppm Disposal of solvents used to degrease nuclear fuel target elements. |
Levels attained < 2 ppb | Capital: $150K + 200 man-hours per week | ||
| Air Force Tech Demo
- Program was launched in 5/92 Lt.
Col. Ross N. Miller |
Bioventing initiative | Soil | Diesel, jet fuel, fuel oil, or petroleum hydrocarbons | Aerobic degradation by direct injection or extraction of air | Temporary shutdown of air injection in vent well to measure in situ rate of oxygen respiration in the monitoring wells. | In situ technique for non- and semi-volatile hydrocarbons | Degrada- tion up to 5,000 ppm/year. Apparatus is relatively non- intrusive. |
| Tyndall
AFB, FL Armstrong Laboratory /EQW (904) 283-6208 DSN: 523-6208 |
Bioventing | Soil | Volatile hydrocarbons in vadose zone > 1,000 mg TPH/kg soil declined to < 30 mg TPH/kg soil | In situ | In situ | $15 -$20/m3 ($12 -$15/yd3 | |
| Site Name/ Contact |
Technology/ Vendor |
Media Treated | Contaminants Treated | Operating Parameters | Materials Handling | Residuals Management | Comments |
| Eielson
AFB, AK Armstrong Laboratory /EQW Kathy Vogel Tyndall AFB, FL (904) 283-6208 DSN: 523-6208 |
Bioventing | Soil | Volatile hydrocarbons | In situ | In situ | Average bioventing cost $10 -$15/yd3 | |
| Hill
AFB, UT AFCEE/Armstrong Laboratory /EQW Kathy Vogel (904)283-6208 |
Bioventing | Soil to a depth of 60 ft. | 25,000
gallons of JP-4. Starting levels at 20,000 ppm TPH. 98%
reduction. A pilot-scale demo is presently (1997) being performed to treat chlorinated solvents. |
In situ | In situ | Average
bioventing cost $10-$15/yd3 |
|
| Lowry
AFB, Lt.COL Tom Williams |
Bioventing | Soil | Heating oil which contained relatively high concentration of TPH. | In situ | In situ | Capital: $28,500; Annual Operating: $32,875 | |
| Site Name/ Contact |
Technology/ Vendor |
Media Treated | Contaminants Treated | Operating Parameters | Materials Handling | Residuals Management | Comments |
| DOI
Tech Demo (USGS) Galloway Township, NJ 1988 Herbert
T. Buxton |
Vapor extraction and bioventing design | Soil & ground water | Gasoline | AIRFLOW - an adaptation of the USGS ground water flow simulator | MODFLOW to perform airflow simulations to predict well locations and pumping rates | None | Success dependent on ability to characterize air permeability. |
| EPA Remedial Action Seymour Recycling, IN Summer 1990 Jeff Gore |
In situ soil bio- remediation/ ABB Environ- mental Services | Soil (12 acres to 10 ft deep, about 43,500 yd3) | 54 contaminants present, including TCE, TCA, and carbon tetrachloride. No standards or criteria for this OU in ROD | Additives - nitrogen, phosphorus, potassium, sulfur as fertilizer (200,000 gallons of nutrients added) | Tilling | Capping in place | The soil became saturated quickly during this project, creating surface pools. The specially designed tractor got stuck. |
| EPA Removal Action Roseville Drums, CA 2/12/88 to 11/9/88 Brad Shipley |
In situ bio- remediation/ EPA removal contractor | Soil (14 yd3) | Input: Dichloro- benzene - 4,000 ppm Phenol - 12,000 ppm |
Additives to soil: manure, water | Tilling | Output: Dichloro- benzene -140 ppm Phenol - 6 ppm |
Midnight dump on dirt road. |
| Site Name/ Contact |
Technology/ Vendor |
Media Treated | Contaminants Treated | Operating Parameters | Materials Handling | Residuals Management | Comments |
| EPA Removal Action Gila River Indian
Reservation, AZ 6/24/85 to 10/23/85 Richard Martin |
In situ anaerobic biological treatment (preceded by chemical treatment) /EPA removal contractor | Soil (3,220 yd3) | Toxaphene Input: 470 ppm Output: 180 ppm |
pH: 8.3 to 9.8 Additives to soil: sulfuric acid, manure, sludge | Tilling | Capped in place | The biological treatment would have been more successful if the neutrali- zation after the chemical treatment had been more complete. Tearing of the plastic sheets covering the soils allowed air in and prevented anaerobic activity. |
| EPA Removal Action Gila River, Indian
Reservation, AZ 3/28/85 to 6/24/85 Richard Martin (414) 744-2288 |
In situ chemical treatment (followed by anaerobic bio- remediation)/ EPA removal contractor | Soil (3,200 yd3) | Input: Toxaphene - 1,470 ppm |
pH: 10.12 to 11.8 Moisture: wet additives to soil: sodium hydroxide, water | Bio- remediation | Output: Toxaphene - 470
ppm |
Drum storage/disposal. |
| Navy Demo Naval Communica- tion Station, Scotland 2/85 to 10/85 Deh Bin Chan |
Biodecontami- nation of fuel oil spills | Soil | Fuel Oil | In situ; micro- organisms function best at 20-35 °C | In situ | In situ | Diesel fuel storage tanks and piping. |
| Site Name/ Contact |
Technology/ Vendor |
Media Treated | Contaminants Treated | Operating Parameters | Materials Handling | Residuals Management | Comments |
| DOE Savannah River Site, SC Terry C.
Hazen |
Biodegradation | Soil & ground water | TCE, PCE declined to < 2 ppb | In situ | Injection of 1- 4% methane/air into aquifer via horizontal wells | In situ | Inhibited by copper or high clay content. |
| Army
Demo U.S. Army Construction Engineering Research Laboratory, IL Jean Donnelly |
Biodegradation of oil contaminated soils | Soil | Motor oil/lubrication oil | In situ | Disk inoculant & nutrients into contaminated soil. Cover soil w/ventilated plastic sheeting. | In situ | Applicable to spills on air strips, roads, and parking lots. |
| Air
Force Demo Kelly AFB, TX & Eglin AFB, FL Joe
Laird |
In situ Biodegradation | Soil & ground water | Hydrocarbons -fuels, fuel oils, & non- halogenated solvents | In situ soil conditioning and electron acceptor addition. | Nutrients introduced into aquifer through irrigation wells | Pumping wells remove excess fluids | Site character- ization necessary to determine soil/chemical compatibility. |
| Site Name/ Contact |
Technology/ Vendor |
Media Treated | Contaminants Treated | Operating Parameters | Materials Handling | Residuals Management | Comments |
| FAA
Technical Center-Area D Atlantic County, NJ Carla Struble |
Enhanced biodegradation | Nutrient addition and ground water reinjection in saturated soil (sand) | 33,000 yd3 Jet fuel NAPLs | In situ | In situ | Expected full scale $286K CAP and $200K O&M | |
| Eglin
AFB, FL Alison Thomas (904) 283-6303 |
Enhanced anaerobic biodegradation | Fuel con- taminated aquifer. | 4,000 ppb BTEX | Using nitrate as an alternative electron acceptor | |||
| French Limited Superfund Site, Crosby, TX Judith Black |
Slurry-phase bioremediation | 300,000 tons of soil and sludge | PCBs (up to 616 mg/kg), volatile organics (up to 400 mg/kg), penta- chlorophenol (up to 750 mg/kg), semivolatiles (up to 5,000 mg/kg) and metals (up to 5,000 mg/kg). | In situ | In situ | Total cost of $49,000,000 of which $26,900,000 directly related to treatment, $16,500,000 for before- treatment, $5,600,000 for after- treatment. | |
| Site Name/ Contact |
Technology/ Vendor |
Media Treated | Contaminants Treated | Operating Parameters | Materials Handling | Residuals Management | Comments |
| Hill
AFB, UT AFCEE/ERT |
Natural Attenuation | Soil | |||||
| Eglin
AFB, FL AFCEE/ERT |
Natural Attenuation | Soil | |||||
| Elmendorf
AFB, AL AFCEE/ERT |
Natural Attenuation | Soil | |||||
| Site Name/ Contact |
Technology/ Vendor |
Media Treated | Contaminants Treated | Operating Parameters | Materials Handling | Residuals Management | Comments |
| DOE Demo Savannah River Site, SC Nate
Ellis |
Vegetation enhanced biodegradation | Soil | TCE, PCE & PAHs at 10,000 ppb | In situ | Root- associated micro- organisms degrade contaminants. | In situ | Pine trees are most effective. Depth limited to about 20 ft. $50,000/ acre. |
| McCormick & Baxter SUPERFUND Site,
Portland, OR (Wood treatment site) Steve Rock (513) 569-7149 |
Phyto- remediation | Shallow soil | PCP and PAHs | Perennial ryegrass | Site seeded and irrigation system installed | ||
| Argonne
National Laboratory M. Christina Negri, DOE, Office of Energy Research, (630) 252-9662 |
Phyto- remediation | Soils | Heavy metals | Project is also investigating the fate of chlorinated organic solvents in plant systems | |||
| Site Name/ Contact |
Technology/ Vendor |
Media Treated | Contaminants Treated | Operating Parameters | Materials Handling | Residuals Management | Comments |
| Craney Island Fuel Terminal, U.S. Navy,
Portsmouth, VA Dr. Stephanie Fiorenza, DoD/AATDF (713) 527-8101 x3338 |
Phyto- remediation | Soils (15 acres) | TPH | 1) bermuda grass sod over-seeded with rye grass, 2) white clover, 3) tall fescue | The site is visited once per month during the growing season. Plots are weeded, mowed, and fertilized. Sampling is conducted monthly or bimonthly for total petroleum hydrocarbons (TPH) and nutrients in soil, above- and below- ground biomass development, and contaminants in soil pore water. | ||
| EPA
S.I.T.E. Program, Ogden, Utah Steve Rock (513) 569-7149 |
Phyto- remediation; Chevron Research, Phytokinetics, Inc | Soil and ground water | Petroleum spill | Poplar trees, juniper trees, alphalfa, and fescue | Planted in three rows (six feet apart) perpendicular to ground water flow to form subsurface interceptor barrier to the saturated zone | Plants used: Alfalfa, Poplar Juniper, Fescue | |
| Ohio
(Former metal plating site) Steve Rock (513) 569-7149 |
Phyto- remediation; Phytotech, Inc | Soil | Lead, chromium, and hexavalent chrome | Indian mustard plants | Two to three plantings per year are expected | Plants will be harvested, then either disposed of or recycled for metals content |