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PUBLIC HEALTH ASSESSMENT

MCGUIRE AIR FORCE BASE #1
WRIGHTSTOWN, BURLINGTON COUNTY, NEW JERSEY


TABLES

Table 1. Evaluation of IRP, AOC, and Other Sites at McGuire Air Force Base

Site ID Site Description/Waste Disposal History Investigation Results/Environmental Monitoring Results Current Status Exposure Evaluation
Landfill No. 4
(LF-02)
This 18-acre site is near the northeastern end of the main runway, west of the base WWTP. The landfill operated from 1958 to the early 1970s. General base refuse, coal, ash, and miscellaneous industrial chemicals were disposed of in this landfill. Around 1975, the landfill was leveled and covered with sandy soil. A portion of the landfill is used for denotation of explosive ordnance. Groundwater: VOCs (e.g., benzene) were detected infrequently, but at concentrations above ATSDR CVs). Metal (e.g., cadmium and antimony) concentrations also exceeded ATSDR CVs and background concentrations.

Surface Soil: VOCs, SVOCs, and metals (e.g., cadmium) were detected at levels above background, but generally below ATSDR CVs.

Surface Water: Metals (e.g., antimony and cadmium) were detected in surface water both adjacent to and upstream of this site at concentrations above ATSDR CVs.

Sediment: PAHs and pesticides were detected both at and upstream of this site at concentrations above ATSDR CVs.

An RI of this site was conducted in 1990. Future activities at LF-02 include: additional RI activities in fiscal year 2003, a remedial design (RD) in 2005, a risk assessment in 2009, and long-term monitoring (LTM) starting in 2010. No one uses the shallow groundwater beneath this site and contaminated groundwater has not migrated off site. The landfill is in an area of controlled access; therefore, no one routinely comes in contact with contaminated surface soil or surface water/sediment.
Landfill No. 2
(LF-03)
This 12.7-acre landfill is in the northwestern part of the base, adjacent to DRMO. It operated from 1950 to 1956. General base refuse, drums of waste oil, and miscellaneous industrial chemicals were deposited in the landfill. After removal of exposed waste in 1974 and 1975, the Air Force leveled the landfill and applied a cover of sandy soil. Groundwater: VOCs (benzene, chlorobenzene, and vinyl chloride) and metals (arsenic, antimony, and cadmium) were detected above ATSDR CVs.

Surface Soil: Metals (antimony and cadmium) and PAHs were detected at levels above ATSDR CVs.

Surface water: Metals, including arsenic, cadmium, chromium, copper, mercury, nickel, selenium, and lead, were detected at levels above ATSDR CVs for groundwater and background surface water concentrations.

Sediment: Metals and chlordane were detected at levels above NJ background concentrations for soil, but below ATSDR CVs for soil.

Leachate: VOCs (benzene) and metals were found at concentrations similar to those detected in the groundwater.

An RI of this site was conducted in 1990. The Air Force sampled leachate from the landfill in 2001 after noticing increased leachate flow in the area. The leachate contained oils, VOCs, and SVOCs. Fresh water from a cracked well or drinking water line is the suspected to have migrated to and impacted the landfill's leachate flow. McGuire AFB posted signs along pathways near this landfill in response to an ATSDR recommendation. The signs advise "Keep Out Unsafe Water." Future activities at LF-02 include: additional RI activities in fiscal year 2003, a RD in 2005, a risk assessment in 2009, and LTM starting in 2010. Monitoring found relatively low levels of VOCs and metals in a leachate seep located downgradient from DRMO and LF-03. Exposure, if any, to the leachate material is likely intermittent and brief. As a precautionary measure, McGuire AFB will post warning signs near the leachate seep as a means to reduce future exposures of the public to leachate.
Landfill No. 3
(LF-04)
This 2.5-acre site is divided into two equal sections by the Defense Access Road. It was operated from 1956 to 1957 for disposal of general base refuse and drums of miscellaneous chemicals. Today, grass covers sections of the landfill that are not covered by the highway. Groundwater: VOCs (e.g., benzene and chlorobenzene) and a metal (cadmium) were detected, but rarely at levels above ATSDR CVs.

Soil: Only cadmium exceeded NJDEP nonresidential soil cleanup standards and background concentrations. Concentrations of all metals, VOCs, SVOCs, pesticides, and PCBs were, however, below ATSDR's CVs.

Surface Water: not sampled

Sediment:.Metals, PAHs, and pesticides were identified in sediment.

Leachate: Metals (barium, beryllium, cadmium, copper, lead, mercury, and nickel) were detected at levels above ATSDR CVs.

A RI/FS of this site was conducted in 1990. Future activities at LF-02 include: additional RI activities in fiscal year 2003, a RD in 2006, a risk assessment in 2009, and long term- monitoring starting in 2010. The contaminated shallow groundwater beneath the site is not used as a source of drinking water and no one comes in contact with surface water or sediment on a routine basis. Although access to the site is not controlled or restricted, the landfill is covered with grass and no one routinely comes in contact with exposed contaminated surface soil.
Pesticide Wash Area
(OT-06)
This area is located in the northwestern part of the base, near the Fort Dix boundary, adjacent to the entomology shop (Building 3450). Past practices at this area included washing and rinsing pesticide spray equipment on a paved wash area and allowing the rinse water to run into a drainage channel. The entomology shop continues to operate, but the equipment wash area is no longer used. (The Entomology Shop is discussed under AOC1.) Groundwater: In 1982 and 1991, metals were detected at levels above background concentrations, but rarely above ATSDR CVs. Sampling in 1997 showed that the pesticide dieldrin was present at levels above ATSDR's most conservative CV.

Soil: In 1982, chlordane was detected at levels above ATSDR CVs, but at levels consistent with NJ suburban background soil concentrations.

Surface Water: In 1982, pesticides (chlordane, dieldrin, DDT, DDE, and DDD were detected at levels above ATSDR CVs for groundwater. Sampling again in 1997 confirmed that pesticides were present at levels above ATSDR CVs. The findings indicate that an unidentified source of pesticide contamination still exists at the site, possibly from groundwater or runoff that is contaminated by dust, dirt, and soils in the area.

Sediment: In 1982 and 1986, pesticides, including chlordane, dieldrin, DDT, DDD, and DDE were detected at levels above ATSDR CVs for soil and NJ suburban background concentrations for soil.

To prevent possible migration to surrounding soil or groundwater, contaminated soil was removed from this site during a 1993/1994 IRA. In 1994, an NFRAP DD was issued. The site was excavated during the winter of 1993 and regraded and seeded in the spring of 1994. A confirmation and sampling program for groundwater and surface water was conducted in 1997. Based on the sampling, the Air Force is planning additional study to identify the source of the groundwater and surface water contamination at this site. No one uses the shallow groundwater beneath this site as a drinking water source or routinely comes in contact with contaminated soil or surface water/ sediment.
DRMO Storage Facility
(ST-07)
The 4-acre yard is located on the north side of Wrightstown-Cookstown Road, which runs along the base's northern boundary. Used petroleum products, out-of-service PCB-laden transformers, and various hazardous wastes generated by the base and Fort Dix were disposed of at this facility. The site was fenced until completion of remediation activities. Groundwater: In 1996/1997, VOCs, including benzene, chlorobenzene, vinyl chloride, and cis-1,2-dichloroethane, were detected at levels above ATSDR CVs.

Soil: In 1991, metals (e.g., chromium and cadmium) and PAHs were detected at levels above ATSDR CVs and/or background concentrations. Samples may represent subsurface samples, however.

Surface Water: (See LF-03)

Sediment: (See LF-03)

In 1994, an IRA involving the soil and USTs was completed to remove possible future sources of soil and groundwater contamination. In 1999, PCB-contaminated surface soil, asphalt, and fencing were removed and the area was regraded and seeded. The area was restored to unrestricted access. Currently, an RI/FS for USTs is underway. The Air Force is planning to remediate contaminated subsurface soil associated with the former UST. They are currently exploring three options: removal of all contaminated soil; a partial removal and cap in conjunction with LF-04; and in situ bioremediation. Future activities at ST-07 include: additional RI activities in fiscal year 2003, a RD in 2006, a risk assessment in 2009, and LTM starting in 2010. No one uses the shallow groundwater beneath this site for drinking water. Access to the site was controlled by a fence before remediation, so no one came in contact with contaminated surface soil or surface water/ sediment on a routine basis. (Also see LF-03.)
Fire Protection Training
Area 1
(FT-08)
This circular 150-foot diameter area is located in the northern part of the runway triangle near the hazardous cargo parking area. Waste oils, waste aviation gasoline, jet fuels, hydraulic fluids, spent solvents, and alcohols were used at this site. Groundwater: During 1987 and 1991 sampling, antimony was detected at levels above ATSDR CVs.

Soil: In 1991, lead, PAHs, and pesticides (dieldrin and chlordane) were found in test pits (up to 1 foot deep) at levels above ATSDR CVs.

An NFRAP DD was submitted to NJDEP in 1997. NJDEP agreed with the document. However, NJDEP requires the site to be maintained under institutional control. Future activities at FT-08 include: additional RI activities in fiscal year 2003, a RD in 2006, and a risk assessment in 2009 followed by long term monitoring starting in 2010. No one uses the shallow groundwater beneath this site for drinking water. Access to the site is restricted, so no one is likely to come in contact with contaminated soil.
Bulk Fuel Storage Area
(ST-09)
This 10-acre site contained eight aboveground storage tanks, and is located in the central part of the base. Aviation gasoline, JP-4 fuel (jet fuel), and fuel oil were stored in the aboveground storage tanks. Groundwater: In 1991/1992, VOCs (benzene, toluene, and xylene) and metals (antimony, cadmium arsenic, and lead) were detected or estimated at levels above ATSDR CVs.

Surface Soil: During 1991 investigations, metals (cadmium and nickel) were detected at levels above ATSDR CVs and/or background concentrations. Fuel-related compounds were also present.

Surface Water: VOCs (TCE and benzene), SVOCs, pesticides, and metals were detected, but infrequently, at levels above ATSDR CVs for groundwater.

Sediment: PAHs were detected in the sediment at levels above ATSDR CVs for soil.

The Air Force installed a free product collection/ containment system to extract a portion of the 400,000 to 500,000 gallons of free product plume resulting from fuel discharges. The system uses pneumatic fracturing and recovery wells capable of skimming petroleum products from the groundwater. In April 2002, the Air Force started a year long pilot program to evaluate the effectiveness of the collection system. No one uses the shallow groundwater beneath this site or comes in contact with contaminated surface soil or surface water/sediment on a routine basis.
Civil Engineering Compound
(OT-10)
Fifty 55-gallon drums of waste oil/solvents were allegedly buried during the 1950s in this 2-acre site located in the northwestern part of the base, near the Fort Dix boundary. The area is currently used as a parking lot. Groundwater: During 1991 investigations, contaminants were found, but rarely at levels above ATSDR CVs.

Surface Soil: During Stage II investigations, PAHs and cadmium were detected at levels above ATSDR CVs and/or background concentrations. The VOC 1,1,1-TCA was also detected.

Surface Water and Sediment: not sampled

Soil was removed as part of an IRA in 1993. In 1994, a NFRAP DD was issued. No one uses the shallow groundwater beneath the site or comes in contact with surface soil on a routine basis.
Fire Protection Training
Area 2
(FT-11)
This grass-covered site is 50 to 75 feet in diameter. It is next to the Power Check Pad, south of the main runway along the southern boundary of the base. The base Fire Department used this area from 1958 to 1973 for fire-training practices. JP-4 fuel was supplied by tanker truck for each practice burn. Groundwater:. During 1991 investigations, arsenic was reported above ATSDR CVs. Sampling conducted as part of the 1997 RI/site characterization indicated that VOCs and metals were present in the groundwater at levels above ATSDR CVs.

Soil: During Stage II investigations, total petroleum hydrocarbons were detected at levels above background soil concentrations and NJ nonresidential soil cleanup criteria.

Surface Water and Sediment: not sampled.

An RI/site characterization investigation focusing on groundwater and subsurface soil was completed in 1997. Because of the presence of VOCs in the groundwater, additional monitoring was recommended to determine contaminant trends over time. Future activities at FT-11 will include: additional RI activities in fiscal year 2007, a RD in 2009, a risk assessment in 2010, and LTM starting in 2011. No one uses the shallow groundwater beneath the site or comes in contact with surface soil on a routine basis.
Fire Protection Training
Area 3
(FT-13)
This 300-foot-diameter area is located in the center of the runway/taxiway. Twenty to thirty practice burns per year used 650 to 800 gallons of JP-4 each time. Water was applied to the burn area to float the fuel and reduce infiltration. In the early 1980s, the unit was upgraded with a clay liner, fuel storage tanks, a fuel distribution system, and an oil/water separator. Groundwater: VOCs were not detected. SVOCs and metals were detected below ATSDR CVs.

Surface Soil: Beryllium was detected at levels above background concentrations but below NJ nonresidential direct contact soil cleanup criteria.

Surface Water and Sediment: not sampled

A"non-time critical removal action" for contaminated soil is planned for fiscal year 2002 under the Superfund accelerated cleanup model (SACM). No one uses the shallow groundwater beneath this site or comes in contact with contaminated surface soil.
NDI Shop Drain Field
(OT-14)
This area consists of two drain fields: a 1.5-acre field located northeast of the NDI shop, which is north of the main runway in the southern part of the runway/taxiway triangle; and a 2-acre field on the west side of the NDI shop. Waste containing penetrants, emulsifiers, developers, PAHs, pesticides, and metals was discharged into the northeast field from 1966 to 1972. The west field is believed to have been used for waste disposal as well. Groundwater: Metals and pesticides (dieldrin, DDT, DDD, and DDE) were detected in groundwater above ATSDR CVs.

Surface Soil: Limited available information suggests that dieldrin and metals were detected at levels above background concentrations.

Surface Water and Sediment: not sampled

An RI investigation completed in 1998 recommended further groundwater monitoring to evaluate contaminant trends over time. Long-term monitoring is planned for fiscal year 2006. No one is using the shallow groundwater beneath this site or coming in contact with contaminated surface soil on a routine basis.
PCB Spill Site
(SS-18)
This site is adjacent to Radin Road in the northern part of the base. A PCB spill occurred in January 1982, and involved approximately 75 to 200 gallons of PCB-containing transformer oil. The spill area is a section of the paved driveway that leads to the hazardous waste storage area (building no. 2310). Soil: A 1987 soil boring investigation found no PCB contamination remaining after the 1983 removal action. During 1991 investigations, petroleum hydrocarbons believed to be associated with the parking area were detected in the top 6 feet of soil. Investigations in 1997 showed levels of PCBs (up to 1.9 ppb), slightly above ATSDR's CV of 0.4 ppm for the PCB Aroclor 1254.

Groundwater: TCE and metals, including arsenic, were detected at levels above ATSDR CVs.

Surface Water and Sediment: not sampled

In 1983 and 1984, an IRA to remove PCB-contaminated soil and asphalt from this site was conducted to eliminate PCB contamination and prevent possible migration to surrounding soil and underlying groundwater. The area was filled in with crushed stone and resurfaced. An RI completed in June 1998 recommended no further action at the site. Only low levels of contaminants were detected in the shallow groundwater. No one routinely came in contact with surface soil. The PCB-contaminated soil was removed in 1983, so no exposure to PCB contamination is occurring now or is expected to occur in the future.
Landfill No. 5
(LF-19)
This 4.7-acre landfill is located between the access road leaving WWTP and South Run. It operated from 1970 to 1973, and was used for the disposal of coal, ash, wood, scrap metals, and chemical waste. Groundwater: In 1991, the metals arsenic and cadmium were detected at levels above ATSDR CVs and background levels.

Surface Soil: The metals arsenic and cadmium were detected at levels above background concentrations, but generally below ATSDR CVs.

Surface Water and Sediment: not sampled

In 1991, a DD calling for long-term monitoring was issued. Additional sampling is being conducted to support the NFRAP decision. No one uses the shallow groundwater beneath this site or routinely comes in contact with contaminated surface soil.
Landfill No. 6
(LF-20)
This landfill covers approximately 5.5 acres north of WWTP and South Run. It was used between 1973 and 1976 for the disposal of general base refuse. From 1976 to 1981, it was used as a storage area for equipment and material. Currently, the area is used for aggregate storage/disposal and earth-moving equipment. Groundwater: Metals (antimony, cadmium, and chromium) were detected at levels above ATSDR CVs and/or background concentrations.

Surface Soil: PAHs were detected at levels above ATSDR CVs and background concentrations.

Surface Water and Sediment: not sampled

In 1991, a DD calling for long-term monitoring was issued. Additional sampling is being conducted through the long-term groundwater monitoring to support the NFRAP decision. No one uses the shallow groundwater beneath this site or routinely comes in contact with contaminated surface soil.
WWTP Sludge Disposal Area
(WP-21)
This 0.5-acre area is adjacent to Landfill No. 4, northwest of the old WWTP. Sludge was anaerobically digested, then dewatered in drying beds. From 1970 to 1980, residual sludge was deposited in a disposal area northwest of the drying beds. Occasionally, some of the sludge was removed and added to locations around the base. Groundwater: VOCs (including benzene, chlorobenzene, and xylenes) and metals (including arsenic and cadmium) were detected above ATSDR CVs.

Surface Soil: During 1991 investigations, contaminants were found, but rarely at concentrations above ATSDR CVs or Eastern U.S. background concentrations. PCBs and cadmium were also detected. During sampling for the 1997 RI/ site characterization, pesticides and metals were detected but at concentrations below ATSDR CVs.

Surface Water and Sediment: not sampled

An RI of this site was conducted in 1990. In 1992, an NFRAP DD was issued. Long-term monitoring is planned in the future. No one uses the shallow groundwater beneath this site or routinely comes in contact with contaminated soil.
Aircraft Apron Fuel Leak
(ST-22)
Because of a design deficiency in a JP-4 fuel pipeline, a leak occurred beneath the flight ramp near the JP-4 fueling hydrant. An unknown amount of fuel leaked into the soil and was transported via surface flow into a grassy area, where temporary ditches and sumps were used to collect spilled fuel. The leak is suspected of causing a small area across the flight apron to collapse and require repair. Groundwater: VOCs (including benzene) and metals (including arsenic and lead) were detected at levels above ATSDR CVs.

Surface Soil: Limited information from early studies suggest that the soils contained total petroleum hydrocarbons and SVOCs related to past spills.

Surface water: Arsenic was detected at concentrations above ATSDR CVs for groundwater.

Sediment: Contaminants were detected, but generally at levels below ATSDR CVs.

A study completed in 1998 recommended additional investigations to further delineate the extent of the soil and groundwater contamination. No one uses the shallow groundwater beneath this site or comes in contact with contaminated surface soil or surface water on a routine basis.
Landfill No. 1
(LF-23)
This 30-acre landfill is located in an area of several buildings (Nos. 1801, 1809, 1817, 1822, 1823, and 1825) and the active aircraft apron. The site was discovered in late 1990 when landfill materials were found near the southwest corner of hangar 1823. General base refuse and unknown waste were found at this site. Groundwater: During 1991 investigations, a metal (cadmium) was detected at levels above ATSDR CVs and background concentrations. Also, total petroleum hydrocarbons and VOCs (TCE, PCE, and 1,1,1-TCA) were detected.

Surface Soil: Contaminants, including VOCs, were detected but at levels below ATSDR CVs.

In 1991, a NFRAP DD was issued. NJDEP requested additional information, which the Air Force is collecting as part of long-term monitoring activities. No one uses the shallow groundwater beneath this site or comes in contact with contaminated surface soil on a routine basis.

Areas of Concern (AOCs)

Former Entomol. Shop/ Pesticides Storage Areas (AOC 1) This AOC was formerly used for mixing and storage of pesticides (insecticides, herbicides, rodenticides, and fungicicides). Rinse water was also disposed of on the grass near the shops.

The AOC has been further subdivided, as follows:

AOC 1-A, former bldg 3207;
AOC 1-B, former bldg 3205;
AOC 1-C, former bldg 3208;
AOC 1-D, former golf course and pesticide mixing shop;
AOC 1-E, former Roads and Grounds Pesticide Mixing shop.

Groundwater: Samples were analyzed for VOCs, SVOCs, metals, and TPHs. TCE was detected at levels above ATSDR CVs. Metals, including arsenic, cadmium, and manganese, were detected at concentrations above ATSDR CVs and background concentrations. The pesticides DDT, DDE, and endosulfan were detected at levels above ATSDR CVs.

Surface Soil: Samples were analyzed for VOCs, SVOCs, metals, pesticides/PCBs, and TPHs. PAHs were detected at levels above ATSDR CVs and background concentrations. Metals, including antimony, barium, beryllium, cadmium, and manganese, were detected at levels above ATSDR CVs and background concentrations.

Surface water: Not sampled. No surface ditches or streams exits in the immediate area of the buildings or former golf course. No samples were collected from the small ditch near the former Roads and Grounds Pesticides Mixing Shop.

Sediment: One sediment sample was collected from the small ditch near the Former Roads and Ground Pesticide Mixing Shop. The sample contained pesticides and metals at levels above ATSDR CVs and/or background concentrations.

The AOC was identified through the 1996 PA/SI and subdivided into five subunits through the SI. Additional sampling has been recommended for surface soil and groundwater upgradient and downgradient of former bldg 3207 to monitor the extent of pesticides in groundwater. No one uses the shallow groundwater beneath this site or comes in contact with contaminated surface soil.
Runway Triangle

(AOC 2)

The 350-acre area includes open fields, wetlands, runways, taxiways, roads, fire training areas, hazardous cargo parking areas, and the NDI shop drain field. Activities include aircraft operations, weed control, cleaning, and dumping of waste.

The AOC has been further subdivided as follows:

AOC 2-A, fire training area 4;
AOC 2-B, fire training area 5.

Groundwater: Samples were analyzed for VOCs, SVOCs, metals, and TPHs. No site-related contaminants were detected.

Surface Soil: Samples were analyzed for VOCs, SVOCs, metals, and TPHs. PAHs were detected at levels above background concentrations and just slightly above ATSDR CVs. Metals, including antimony, beryllium, cadmium, and manganese, were detected at levels above ATSDR CVs and background concentrations.

Surface water: Samples were analyzed for VOCs, SVOCs, metals, pesticides/PCBs, and TPHs. VOCs, pesticides, PCBs, and TPH were not detected or detected below ATSDR CVs. Metals were also detected, but generally at concentrations below ATSDR CVs.

Sediment: Samples were analyzed for VOCs, SVOCs, metals, pesticides/PCBs, and TPHs. Arsenic was the only contaminant that exceeded ATSDR CVs for soil.

The AOC was identified through the 1996 PA and subdivided into two subunits through the SI. No further actions have been recommended because no risks have been identified. The AOC is in an area of restricted access. No one uses the shallow groundwater beneath this site or comes in contact with contaminated surface soil or surface water and sediment.
Hydrant System
(AOC 3)
The hydrant system, which starts at the Burlington off-loading facility, runs underground to deliver fuel to aircraft on the parking apron. Spills have reportedly occurred in the system.

The AOC has been further subdivided as follows:

AOC 3-A, south of bldg 2251;
AOC 3-B, south of bldg 2252;
AOC 3-C, south of bldg 2251;
AOC 3-D, south of bldgs 1706 and 1731;
AOC 3-E, upgradient and downgradient of underground surface water pipes, former stream beds, and hydrant line crossings.

Groundwater: Samples were analyzed for VOCs, SVOCs, and TPHs. VOCs, including benzene and ethylbenzene, were detected at concentrations above ATSDR CVs.

Surface Soil: Samples were analyzed for VOCs, SVOCs, and TPHs, but no contaminants were detected.

Surface water: According to limited information, benzene was detected at concentrations above NJ surface water quality criteria.

Sediment: Benzene, chloroform, and toluene were detected at levels above ATSDR CVs. (Background concentrations are not available for comparison.)

This AOC was identified through the 1996 PA/SI and subdivided into five subunits through the SI. Further investigations are necessary to delineate the extent of contamination. No one uses the shallow groundwater beneath this site or comes in contact with contaminated surface soil or surface water/sediment on a routine basis.
Facility 2253 Waste Oil UST
(AOC 4)
Bldg 2252 is used for repair and maintenance of flight-line ground equipment and painting. A satellite waste collection point is located outside the building. A 3,400-gallon AST used for waste fluids and oils is located adjacent to the building within a concrete-bermed and locked fenced area. UST no. P070, located adjacent to the southwest corner of facility 2253, was used to store waste oil. The UST was pumped in 1987 and removed in 1993. No releases of contamination have been associated with the UST. Groundwater: Samples were analyzed for VOCs, SVOCs, metals, and TPHs. The VOC benzene was detected at levels above ATSDR CVs. Metals, including aluminum, antimony, arsenic, barium, cadmium, and manganese, were detected at concentrations above ATSDR CVs and background concentrations.

Surface Soil: not sampled

Surface water: not sampled

Sediment: not sampled

The AOC was identified through the 1996 PA/SI. Further investigations are necessary to monitor VOCs and SVOCs in groundwater. No one uses the shallow groundwater beneath this site. In addition, the tanks are in an area of controlled access, so no one is likely to contact contaminated surface soil.
Facility 3446 Parking Lot USTs
(AOC 5)
The parking lot in AOC 5 is near a former petroleum, oil, and lubricants (POL) storage yard, where four USTs stored AVGAS. The USTs and piping were removed in 1994. It is believed that excavating and backfilling of soil during the UST removal resulted in mixing of the USTs' contents with surrounding soil and groundwater. Groundwater: Samples were analyzed for VOCs, SVOCs, metals, and TPHs. The VOCs benzene and ethylbenzene were detected at levels above ATSDR CVs. Metals, such as manganese, were detected at concentrations above ATSDR CVs and background.

Surface Soil: not sampled

Surface water: No samples were collected because no surface ditches or steams exist in the immediate area of the AOC.

Sediment: No samples were collected because no surface ditches or streams exist in the immediate area of the AOC.

Soil Gas: Benzene, toluene, ethylbenzene, and xylene were detected in 13 of 15 samples collected through the parking lot asphalt.

The AOC was identified through the 1996 PA/SI. Further investigations are necessary to characterize the extent of VOC and TPH contamination in soil and groundwater. Soil removal actions have also been recommended. No one uses the shallow groundwater beneath this site. In addition, no one is likely to contact contaminated surface soil.
Industrial Facilities
(AOC 6)
AOC 6 consists of industrial facilities where past or current activities included painting, aircraft and vehicle maintenance, or other operations that used or generated hazardous materials.

The AOC has been further subdivided as follows:

AOC 6-A, bldgs 1750, 1751;
AOC 6-B, bldg 1708, 1800 series;
AOC 6-C, bldg 1908;
AOC 6-D, bldgs 1925, 1922, 1931, 1932, 1937;
AOC 6-E, 2000, 2300, 3200 series;
AOC 6-F, bldg 2254 (AOC 4);
AOC 6-G, bldg 2415;
AOC 6-H, bldg 3001;
AOC 6-I, 3300 series;
AOC 6-J, bldg 3362;
AOC 6-K, bldg 3401;
AOC 6-L, bldgs 1940, 1942, 1943.
AOC 6-M, bldg 2101

Groundwater: Samples were analyzed for VOCs, SVOCs, metals, and TPHs. VOCs, including TCE, ethylbenzene, and chlorobenzene, were detected at levels above ATSDR CVs. Metals, including aluminum, arsenic, beryllium, cadmium, and manganese, were detected at concentrations above ATSDR CVs and background.

Surface Soil: Samples were analyzed for VOCs, SVOCs, metals, pesticides, and TPHs. Certain metals, pesticides, and PAHs were detected at concentrations above ATSDR CVs and background.

Surface water: Samples were analyzed for VOCs, SVOCs, metals, pesticides/PCBs, and TPHs. Only selenium exceeded background concentrations.

Sediment: Samples were analyzed for VOCs, SVOCs, metals, pesticides, and TPHs. Of these compounds, only nickel exceeded background concentrations.

This AOC was identified through a 1994 PA/SI and subdivided into 12 subunits through the SI. Additional monitoring has been recommended to further characterize the presence of VOCs in groundwater and further characterize contaminants in surface soil at AOC 6-E. No one uses the shallow groundwater beneath this site or is likely to contact contaminants in soil, surface water, or sediment on a routine basis.
Fill Stands
(AOC 7)
This AOC includes 11 vehicle fueling stations on base. Each stand consists of one or more UST and/or ASTs that contained AVGAS, diesel fuel, and/or jet fuel. No leaks from the USTs have been reported and the USTs have been removed from each station. Groundwater: (See AOC 6)

Surface Soil: Samples were analyzed for VOCs, SVOCs, metals, pesticides, and TPHs. Only cadmium exceeded ATSDR CVs.

Surface water: (See AOC 6)

Sediment: (See AOC 6)

The AOC was identified through the 1996 PA. Additional study investigated the nature and extent of stained soils in the stream bed adjacent to station 1926. It was determined that groundwater was discharging to the stream bed under high water table conditions. No one uses the groundwater beneath this site. Also, no one is likely to contact contaminants in surface soil or contaminants in surface water or sediment.
3400-Area USTs
(AOC 8)
The 7-acre area is located within the base's civil engineering complex. In the past, the area contained several buildings with USTs. Only one building remains. Records do not indicate whether the USTs, or associated piping, have been removed. Groundwater: not sampled

Surface Soil: not sampled.

Surface water: No samples were collected because no surface ditches or streams exist in the immediate area of this AOC.

Sediment: No samples were collected because no surface ditches or streams exist in the immediate area of this AOC.

The AOC was identified through the 1996 PA. The potential for abandoned USTs was investigated by a geophysical survey. During the survey, two subsurface objects possibly representing USTs were detected. The objects were confirmed as USTs and were removed in July 2000. Groundwater and soil may require further investigations at this AOC. Limited environmental data are available to determine the level of contamination, if any, present at this site. However, no one uses the groundwater beneath this site or comes in contact with site media on a routine basis.
3500-Area USTs
(AOC 9)
The 25-acre area is located north and east of the civil engineering complex. In the past, the area contained 51 buildings and associated heating oil USTs. Records do not indicate whether the USTs, or associated piping, have been removed. Currently, only one building and a 123-site trailer park and associated ASTs occupy this area. Groundwater: not sampled

Surface Soil: not sampled

Surface water: No samples were collected because no surface ditches or streams exist in the immediate area of this AOC.

Sediment: No samples were collected because no surface ditches or streams exist in the immediate area of this AOC.

The AOC was identified through the 1996 PA. Fourteen subsurface objects possibly representing USTs were detected at this AOC. Nine of the 14 objects were confirmed as USTs and were subsequently removed in June and July 2000. (One UST was removed earlier as part of a warehouse construction project.) Soil and groundwater in the area of the USTs may require investigations. Limited environmental data are available to determine the level of contamination, if any, present at this site. However, no one uses the shallow groundwater beneath this site or comes in contact with site media on a routine basis.
Middle Marker
(AOC 10)

 

The Middle Marker site is situated on 0.52 acres of Fort Dix property, about 900 feet southwest of the southern corner of the McGuire AFB's Runway Triangle. The marker is aligned with the main runway as a guide for aircrafts during landing. A 275 gallon diesel UST was located at the site until its removal in 1996. Groundwater: No samples were collected due to the clean closure of this site.

Surface Soil: (see groundwater)

Surface water: (see groundwater)

Sediment: (see groundwater

A 275 gallon diesel UST was removed from the site in June 1996. The UST closure document submitted to NJDEP revealed no evidence of diesel discharge and states that because of the clean closure of the UST system, there were no specific site investigations conducted at this facility. Limited environmental data are available to determine the level of contamination, if any, present at this site. However, no one uses the shallow groundwater at this site or comes in contact with site media on a routine basis.

Burlington POL Off-Loading Facility
(AOC 11)

AOC 11 has been defined as the 2.13 acres of land beneath the Burlington Off-Loading Facility The areas is owned by the city of Burlington and leased to Interstate Storage and Pipeline Corporation. The facility consists of an off-loading dock, a pipeline hook up, and an 8 inch diameter pipeline. Jet fuel was pumped from the Middle Marker through the underground pipeline to McGuire AFB. Groundwater: No samples were collected due to the clean closure of this site.

Surface Soil: (see groundwater)

Surface water: (see groundwater)

Sediment: (see groundwater

No further actions were deemed necessary for AOC 11. Limited environmental data are available to determine the level of contamination, if any, present at this site. However, no one uses the shallow groundwater at this site or comes in contact with site media on a routine basis.

Other Areas

Former UST Site 3438 The former UST was located in the western corner of the base adjacent to bldg 3438. Groundwater: Samples were analyzed for VOCs, SVOCs, and metals. Limited information suggests that seven VOCs, 12 SVOCs, and lead were identified, and that benzene concentrations exceeded ATSDR CVs.

Surface Soil: not sampled

Surface water: not sampled

Sediment: not sampled

An RI alternative analysis for groundwater was conducted in 1994. Limited environmental data are available to determine the level of contamination, if any, present at this site. However, no one uses the shallow groundwater beneath this site or comes in contact with site media on a routine basis.
Former UST Site 3001 The former UST was located in the northwest corner of the base south of bldg 3001. Groundwater: Samples were analyzed for VOCs, SVOCs, and metals. One VOC, three SVOCs, and lead were identified.

Surface Soil: Only limited sampling was done that suggested elevated hydrocarbons were present.

Surface water: not sampled

Sediment: not sampled

An RI alternative analysis for groundwater was conducted in 1994. Limited environmental data are available to determine the level of contamination, if any, present at this site. However, no one uses the shallow groundwater beneath this site or comes in contact with site media on a routine basis.
Former UST Site 2913 The former UST site is located in the north section of the base near bldg 2913. Groundwater: Samples were analyzed for VOCs, SVOCs, and metals. Seven VOCs (including a benzene plume) and 10 SVOCs were identified. Benzene concentrations exceeded ATSDR CVs.

Surface Soil: Limited sampling only.

Surface water: not sampled

Sediment: not sampled

An RI alternative analysis for groundwater was conducted in 1994. The groundwater was further analyzed in 1998. Limited environmental data are available to determine the level of contamination, if any, present at this site. However, no one uses the shallow groundwater beneath this site or comes in contact with site media on a routine basis.

Sources: EA Engineering, Science and Technology (1998a, 1998b); URS Consultants, Inc. (1998, 1999); McGuire Air Force Base (1998b, 2001c, 2001d, 2002) URS Grenier Woodward-Clyde (1999); and US Air Force (1998).

* Key:

AOC = area of concern
AST = aboveground storage tank
ATSDR = Agency for Toxic Substances and Disease Registry
AVGAS = aviation gas
bldg = building
CV = comparison value
DD = decision document
DDD = 1,1,-dichloro-2,2-bis(p-chlorophenyl)ethane
DDE = 1,1,-dichloro-2,2-bis(p-chlorophenyl)ethylene
DDT = 1,1,1-trichloro-2,2-bis(p-chlorophenyl)ethane
DRMO = Defense Reutilization and Marketing Office
FS = feasibility study
GWQC = groundwater quality criteria
IRA = interim remedial action
JP-4 = jet propellant
LF = landfill
McGuire AFB = McGuire Air Force Base
NDI = nondestructive inspection
NFRAP = no further response action planned

NJ = New Jersey
NJDEP = New Jersey Department of Environmental Protection
PA = preliminary assessment
PAHs = polycyclic aromatic hydrocarbons
PCBs = polychlorinated biphenyls
PQL = practical quantitation limit
RBC = U.S. Environmental Protection Agency's risk-based comparison value
RI = remedial investigation
SI = site investigation
SS = site spill
ST = storage tank
SVOCs = semivolatile organic compounds
1,1,1-TCA= 1,1,1-trichloroethane
TCE = trichloroethylene
TPH = total petroleum hydrocarbons
UST = underground storage tank
VOCs = volatile organic compounds
WP = waste pit
WWTP = wastewater treatment plant


Table 2. Exposure Scenarios at McGuire Air Force Base

Pathway Type Exposure Scenario Time Frame Exposure
Completed Skin contact with or incidental ingestion of surface water/sediment in North Run Past
Current
Potential future
Yes, but limited
Yes, but limited
Yes, but limited
Potential Skin contact with or incidental ingestion of surface water/sediment of South Run, Jack's Run, and Larkin's Run Past
Current
Potential future
Possible
Possible
Possible
Skin contact with or incidental ingestion of on-site surface soil Past
Current
Potential future
Possible
No
No
Eliminated Ingestion of contaminated groundwater Past
Current
Potential future
No
No
No


Table 3. Exposure Pathways Evaluation Table*

Pathway Name Exposure Pathway Elements Comments
Source of Contamination Environmental Medium Point of Exposure Route of Exposure Potentially Exposed Population
Completed Exposure Pathway
Surface Water/Sediment: North Run McGuire Air Force Base's LF-03, LF-04, and ST-07 (DRMO). Contaminants include metals in surface water and metals, pesticides, and PAHs in sediment. North Run and nearby seeps Along the base perimeter or off-base locations Dermal contact and incidental ingestion Residents living in nearby base housing Past, Current, and Future Exposures: No apparent public health hazard is associated with this pathway. Although evidence suggests that children access North Run, any sporadic contact with contaminants in surface water/sediment is not expected to result in adverse health effects.

Potential Exposure Pathways

Surface Water/Sediment:South Run McGuire Air Force Base sites possibly include: LF-02, LF-19, LF-20, LF-23, and ST-09. Contaminants include VOCs, SVOCs, and metals in surface water; and metals, PAHs, and pesticides in sediment. South Run and associated tributaries On base and possibly off-base locations Dermal contact and incidental ingestion People using stream/water bodies downstream of McGuire Air Force Base, including off-site recreational users. Because the streams eventually flow onto Fort Dix, personnel or recreational users at Fort Dix are also potentially exposed. Past, Current, and Future Exposures: No apparent public health hazard is expected for this pathway. The stream is not used for drinking water nor is it widely used for recreation. Sporadic contact with contaminants at the levels detected in the surface water/ sediment of South Run and its tributaries is not expected to result in adverse health effects.
Surface Water/Sediment:
Jack's Run and Larkin's Run
McGuire Air Force Base sites, possibly including FT-08, FT-13, and OT-14. Contaminants include VOCs, SVOCs, and metals in surface water and PAHs and pesticides in sediment. Jack's Run, Larkin's Run, associated tributaries, and nearby seeps Possibly off-base locations Dermal contact and incidental ingestion People using stream/water bodies downstream of McGuire AFB, including off-site recreational users. Past, Current, and Future Exposures: No apparent public health hazard is associated with local surface water. Sporadic dermal contact with low levels of contaminants in surface water/sediment is not expected to result in adverse health effects.
Surface Soil McGuire Air Force Base, specifically the DRMO storage facility, LF-03, and LF-04. Contaminants include polychlorinated biphenyls and PAHs. Surface soil At the DRMO site, LF-03, and LF-04 Dermal contact McGuire AFB personnel and trespassers (possibly from nearby base housing) Past Exposure: Workers and trespassers may have contacted low levels of contaminants in soil at the DRMO site, LF-03, and LF-04. Sporadic contact with low levels of contaminants detected in the surface soil is unlikely to have resulted in harmful effects.

Current and Future Exposures: No public health hazards are occurring or are expected to occur. The IRP sites are largely covered over with vegetation (LF-04 is also covered with sections of a highway), leaving little exposed soil for contact.


*Key (also see Table 1 for summary of sites):

DRMO = Defense Reutilization and Marketing Office
FT-08 and FT-13 = fire protection areas
LF-02, LF-03, LF-04, LF-19, LF-20, and LF-23 = landfills
OT-14 = pesticide wash area

ST-07 = DRMO storage facility
ST-09 = bulk storage area
SVOCs = semivolatile organic compounds
VOCs = volatile organic compounds


Table 4. Maximum Contaminant Concentrations in On-Base Surface Water*

Analyte Maximum Concentration (ppb)† and location Comparison Value
(ppm)
North Run South Run South Run Tributaries
Benzene ND   0.7 ST-09 120 ST-22 storm line 0.6 CREG
Trichloroethylene ND   ND   5 ST-09 5 MCL
Arsenic 96.4 LF-03/ST-07 ND   4.5 B ST-09 0.02 CREG
Chromium 478 LF-03/ST-07 ND   17.6 ST-09 No value  
Lead 327 LF-03/ST-07 ND   13 S ST-09 15 Action level
bis(2-Ethylhexyl)phthalate ND   7,000 J LF-02 ND ST-09 3/100 CREG/EMEG
Chlordane alpha ND   ND   0.74 OT-06 ditch 0.1/2 CREG/MCL
Chlordane gamma ND   ND   0.33 J OT-06 ditch 0.1/2 CREG/MCL
Dieldrin ND   ND   0.47 J OT-06 ditch 0.002/0.5 CREG/EMEG
DDD ND   ND   8.5 OT-06 ditch 0.1 CREG
DDE ND   ND   1.2 OT-06 ditch 0.1 CREG
DDT ND   ND   8.4 OT-06 ditch 0.1 CREG

Source: URS Greiner Woodward-Clyde (1999). † B indicates the presence of trace concentrations of the constituent in the associated blank; J indicates that the reported value is estimated; and S indicates that the reported value was determined by the Method of Standard Addition.

*Key (also see Table 1 for summary of sites):

DDD = 1,1,1-dichloro-2,2-bis(p-chlorophenyl)ethane;
DDE = 1,1,1-dichloro-2,2-bis(p-chlorophenyl)ethylene
DDT = 1,1,1-trichloro-2,2-bis(p-chlorophenyl)ethane
CREG = ATSDR's cancer risk evaluation guide
EMEG = ATSDR's chronic environmental media evaluation guide for a child

LF-02 and LF-03 = landfill sites
MCL = U.S. Environmental Protection Agency's maximum contaminant level
ND = not detected
ppb = parts per billion
ST-07 = the Defense Reutilization and Marketing Office
ST-09 = bulk storage area
ST-22 = aircraft apron fuel leak site


Table 5. Maximum Contaminant Concentrations in On-Base or Perimeter Sediment*

Analyte Maximum Concentration (ppm)† and Location Comparison Value
(ppb)
North Run South Run South Run Tributaries
Arsenic ND   ND   ND      
Cadmium 11.7 J LF-03/ST-07 ND   ND   10 EMEG
Lead 149 LF-03/ST-07 ND   167 ST-09 400 SSL
bis(2-Ethylhexyl)phthalate ND   ND   ND      
PAH (Pyrene) 0.49 LF-03/ST-07 0.56 LF-02 18 E ST-09 2,000 RMEG for pyrene
Chlordane alpha 0.015 LF-03/ST-07 ND   0.63 J OT-06 ditch 2 CREG
Chlordane gamma 0.019 LF-03/ST-07 ND   0.7 J OT-06 ditch 2 CREG
Endrin ND   0.017 LF-02 ND   20 EMEG
Dieldrin ND   ND   1.32 OT-06 ditch 0.04 CREG
DDE ND   ND   0.72 J OT-06 ditch 2 CREG
DDD ND   ND   31 OT-06 ditch 2 CREG
DDT ND   0.063 LF-02 13 OT-06 ditch 2 CREG

Source: URS Greiner Woodward-Clyde (1999). †J indicates that the reported value is estimated and E indicates that the concentration exceeds the calibration range.

*Key (also see Table 1 for summary of sites):

DDD = 1,1,1-dichloro-2,2-bis(p-chlorophenyl)ethane
DDE = 1,1,1-dichloro-2,2-bis(p-chlorophenyl)ethylene
DDT = 1,1,1-trichloro-2,2-bis(p-chlorophenyl)ethane
CREG = ATSDR's cancer risk evaluation guide
EMEG = ATSDR's chronic environmental media evaluation guide for a child LF-02, LF-03, and LF-04 = landfill sites

ND = not detected
PAHs = polycyclic aromatic hydrocarbons
ppm = parts per million
SSL = U.S. Environmental Protection Agency's soil screening level
ST-07 = Defense Reutilization and Marketing Office
ST-09 = bulk storage area


FIGURES

Area Map
Figure 1. Area Map

Demographics
Figure 2. Demographics

Site Map (Waste Areas Defined)
Figure 3. Site Map (Waste Areas Defined)

Site and Surroundings
Figure 4. Site and Surroundings

McGuire Air Force Base Hydrogeologic Cross Section
Figure 5. McGuire Air Force Base Hydrogeologic Cross Section

ATSDR's Exposure Evaluation Process
Figure 6. ATSDR's Exposure Evaluation Process

Next Section     Table of Contents



  
 
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