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PUBLIC HEALTH ASSESSMENT
ST. JULIENS CREEK ANNEX (U.S. NAVY)
CHESAPEAKE, CHESAPEAKE COUNTY, VIRGINIA

EPA FACILITY ID: VA5170000181

CONCLUSIONS

Based on our evaluation of available environmental information, ATSDR concluded that no harmful exposure to chemical contaminants currently exists at St. Juliens Creek Annex. The possibility that buried UXO may exist in the sediments near the wharf poses a safety hazard for people who ignore the posted warning signs. The following paragraphs provide the specific conclusions for each pathway-specific exposure. (Definitions for ATSDR's public health conclusion classifications are provided in Appendix F.)

Exposure to Contaminants in Groundwater. Contaminants were detected in the shallow groundwater and deep groundwater beneath St. Juliens Creek Annex. Both of these aquifers flow to St. Juliens Creek and the Elizabeth River, and this water is not for drinking purposes. The City of Portsmouth provides drinking water to residents of Portsmouth and also to St. Juliens Creek Annex. The City of Chesapeake provides drinking water to the residents of Chesapeake. There is no exposure to contaminants in the shallow or deep groundwater in the vicinity of St. Juliens Creek Annex. Groundwater was classified as no public health hazard.

Exposure to Contaminants in Soil. Contaminants were detected at elevated levels in surface soils from some on-base industrial or disposal locations. ATSDR studied exposure conditions and the toxicity of the contaminants and determined that no harmful exposures currently exist at the detected levels, especially in light of access restrictions to industrial areas, and completed and ongoing cleanup efforts by the Navy. Former on-base housing residents had access to the industrial and disposal areas, but are expected to have had infrequent contact with the soil. Their exposure to soil contaminants would likely have been well below levels known to cause health effects. On-base residents may have had contact with lead in the soil, dust and paint in the housing area. Blood lead data specific for children living on St. Juliens Creek Annex is not available. However, blood lead data for Navy-affiliated children living near Portsmouth, VA, indicates the area children generally had low blood lead levels, were unlikely to have had adverse effects as a result of exposure to these levels of lead, and were likely to have been effectively treated under the Navy's lead prevention program. Past exposure to on-site soil in industrial areas was classified as no apparent public health hazard. Past exposure to lead in the St. Juliens Creek Annex housing was classified as an indeterminate public health hazard. Current exposure at all on-site locations was classified as no public health hazard.

Exposure to Contaminants in Sediment and Surface Water. Some on-base surface water and sediment samples contained elevated contaminants levels. Former on-base housing residents could have come into contact with those contaminants while visiting Blows Creek or on-base marsh areas. ATSDR concluded that people would likely not have had significant contact with these contaminants and the potential exposures would have been below levels of health concern. The on-base housing area has been closed and access to the annex is currently restricted; there are no current exposures to the on-base water bodies. Local residents may have contact with sediment and surface water in St. Juliens Creek and the Elizabeth River during recreational activities. The limited sampling data available for the surface water and sediment near the annex suggests that recreational users will not be exposed to contaminants at levels that are known to cause health effects. Several community groups are studying the Elizabeth River: these groups are expected to issue reports that assess the watershed as a whole. Past contact with on-site surface water and sediment was classified as no apparent public health hazard. Current contact with on-site surface water and sediment was classified as no public health hazard. Contact with off-site sediment and surface water located immediately adjacent to St. Juliens Creek Annex was classified as no apparent public health hazard.

Exposure to Contaminants in Seafood Caught in Blows Creek, St. Juliens Creek, and the Elizabeth River. Virginia prohibits the consumption of shellfish other than crabs (i.e., bivalve mollusks such as clams, oysters, and mussels) from the Elizabeth River and its tributaries, primarily due to the coliform levels (bacteriologic contamination). There are no fishing restrictions for this area. Fish and crabs collected from St. Juliens Creek or the Elizabeth River have the potential to be affected by contaminant sources from this entire area. ATSDR was not able to obtain sufficient fish tissue sampling data from the waterways surrounding St. Juliens Creek Annex to evaluate if health concerns would be expected for consumers of fish from this area. ATSDR recommends that people review and follow advisories issued by EPA and the Virginia Department of Health that indicate how to select and prepare seafood to reduce potential exposures to some types of contaminants. EPA's recommendations are online at http://www.epa.gov/waterscience/fish, which includes a link to Should I Eat the Fish I Catch? A Guide to Healthy Eating of the Fish You Catch, a brochure developed in collaboration with ATSDR. The Virginia Department of Health (VDH) recommendations are at http://www.vdh.state.va.us/hhcontrol/fishing_advisories.htm. Because the specific nature of contamination in fish and shellfish in waterways near St. Juliens Creek Annex are not fully characterized, it is not possible to draw definitive health conclusions; therefore the consumption of locally caught finfish and crabs was classified as an indeterminate public health hazard.

Exposure to Contaminants in Air Emissions. Operations at St. Juliens Creek Annex that may have released contaminants to the air include burning ordnance and municipal waste. ATSDR did not identify any data that quantified the amount of material that was burned or the frequency of the burns, or the actual air emissions. However, the burn locations were all located more than ΒΌ mile from the nearest housing area and the burns were just periodic operations. ATSDR expects that the concentrations of contaminants released by the burn decreased significantly by the time the smoke cloud would have approached a housing area. Because the burns were a periodic occurrence, people would only have had intermittent contact with the contaminants in the smoke. Given the distance and the periodic nature of the burns, community exposure to the contaminants in the smoke was likely below levels known to cause health effects. All burning operations ceased by the late 1970s. Sampling for volatile compounds at waste disposal areas, the landfill, and burning grounds, conducted in the early 1980s, indicate no emissions from these sites. Due to the lack of past air emissions data, past exposure to air was classified as an indeterminate public health hazard. No current air emission sources at St. Juliens Creek Annex have been identified; therefore, current exposure to air was classified as no public health hazard.

Potential Physical Hazard from Unexploded Ordnance. Many buildings at St. Juliens Creek Annex were used for constructing and packing naval ordnance. The Navy decontaminated those buildings, and determined there is no risk of explosion. While it is not possible to ensure that ordnance is not present on base property, the investigations and cleanup actions conducted by the Navy, and site access restrictions prohibiting public access to the base ensure that the public will not be exposed to UXO on the annex. The former wharf area in the Elizabeth River, however, still contains buried metal debris. Though the Navy has not identified any ordnance in this area, its presence cannot be ruled out. The Navy's Range Program has posted signs along the fence of St. Juliens Creek Annex, that warn boaters to remain away from the area. Boaters can adequately protect themselves by following the posted warnings. There is a small potential for unexploded ordnance to exist in the sediments near the wharf, however boaters and others using this area of the Elizabeth River can protect themselves by following the posted warning signs.


RECOMMENDATIONS

Members of the local community should follow all seafood consumption advisories issued by federal and state agencies, including the prohibition on eating shellfish (except crabs) from the Elizabeth River and its tributaries.

Boaters should follow all signs regarding restricted areas of St. Juliens Creek.

ATSDR recommends that if the Navy and USACE intend to change the land use for St. Juliens Creek Annex, its wharf, or the downstream river bank in the future, additional testing commensurate with the proposed land use be conducted to ensure that UXO concerns are adequately addressed. Specifically, anomalies identified in the sediment near the wharf should be investigated.


PUBLIC HEALTH ACTION PLAN

The Public Health Action Plan for St. Juliens Creek Annex contains a description of actions taken and to be taken subsequent to the completion of this PHA by ATSDR, EPA, VDEQ, VDH, and the Navy. The purpose of this plan is to ensure that this PHA not only identifies potential and ongoing public health hazards, but also provides a plan of action designed to mitigate and prevent adverse human health effects resulting from exposure to hazardous substances in the environment. Completed, ongoing, or planned public health actions are listed below.

Completed Actions

In the late 1970s, during the initial assessment of contamination at St. Juliens Creek Annex, the Navy decontaminated multiple areas containing potential explosive hazards and removed 31 inactive buried ordnance items.

The Navy removed contaminated soils and debris from Sites 3, 6, 7, 9, 12, 13, and 14 (Waste Disposal Area C, Small Items Pit, Old Storage Yard, Pesticide Control Shop at Building 249; Sand Blast Area at Building 323; Waste Generation Area; and the Equipment Washrack at Building 266).

The Navy planted grass at IRP sites 1 and 3 (Waste Disposal Areas A and C) to prevent soil erosion.

The Navy covered all housing quarters with metal or vinyl siding in the early 1990s, to reduce exposure to exterior lead paint. After completion of the Lead Management Plan, the Navy cleaned and painted the interiors of all housing quarters, mulched the outside areas, then determined that the quarters should be vacated over time. The quarters were all vacated by 2000 (NEHC 2003a).

The Navy held a meeting in September 1996 to explain the lead conditions of the housing areas to people living there. At this time, the Navy requested that residents not plant gardens. The Navy notified all personnel moving into these quarters of the lead condition and restrictions. These personnel were required to sign a form indicating that they understood these issues (NEHC 2003a).

The Navy demolished multiple housing areas on Annex property during 2001, eliminating the potential hazard to children from lead in soil, dust, and paint.

Under the Navy's Range Program, warning signs were posted to indicate that access to the annex from waterways was unauthorized. A notation was placed in Navy Real Estate documents and a notice was sent to USACE to prevent dredging without proper UXO clearance.

The Navy, EPA and VDH signed a Federal Facilities Agreement in April 2004 to govern the investigation and remediation activities at St. Juliens Creek Annex.

Ongoing and Future Actions

VDH continues to monitor blood lead levels of children in the residential area north of St. Juliens Creek Annex, as part of the state-wide testing program.

As a prudent public health measure, ATSDR encourages parents of children age 6 years old and younger living near St. Juliens Creek Annex undergo blood lead screening, consistent with CDC and VDH Lead-Safe Virginia guidance.

As of 2003, the Navy has recommended further study and/or additional sampling at IRP sites 2, 8, 17, 19, and 21, and at EPIC AOC 1. Feasibility Studies are still in progress for IRP sites 4 and 5.


PREPARERS OF REPORT

Susan Neurath, Ph.D.
Environmental Health Scientist
Federal Facilities Assessment
Branch Division of Health Assessment and Consultation

Gary Campbell, Ph.D.
Environmental Health Scientist
Federal Facilities Assessment Branch
Division of Health Assessment and Consultation


REFERENCES

Alliance for the Chesapeake Bay. 2003. Elizabeth River Fact Sheet. Online at http://www.acb-online.org/pubs/projects/deliverables-151-2-2003.pdf. 2003.

Army CBP (U.S. Army, Chesapeake Bay Program). 2000. State of the Bay. The Army's Chesapeake Review 2000 February/March; 4(2):1. Online at http://www.hqda.army.mil/acsimweb/env/cbi/images/newsletters/Feb_March00web.pdf.

ATSDR (Agency for Toxic Substances and Disease Registry). 1999. Toxicological Profile for Lead (Update). Atlanta: US Department of Health and Human Services. July 1999.

ATSDR. 2001. Health Consultation Outlining Various Exposure Issues From Initial Site Visit, Naval Station Norfolk St. Juliens Creek Annex, Chesapeake, Virginia. Prepared by Texas Department of Health. February 2001. Online at http://www.atsdr.cdc.gov/HAC/PHA/stjulien/stj_toc.html.

ATSDR. 2003. Introduction Map, St. Juliens Creek Annex, Chesapeake, Virginia.

Baltimore Sun. 2001. Groups watch river project: Plan to dredge toxins in Va. could be applied to Baltimore Harbor; 'Very tricky operation.' McCord, J. The Baltimore Sun. February 26, 2001. Online at http://www.elizabethriver.org/news articles/baltsunart.htm.

BUMED (U.S. Navy, Bureau of Medicine and Surgery). 2003. BUMED Instruction 6200.14A, Pediatric Lead Poisoning Prevention Program. Bureau of Medicine and Surgery. 9 July 2003.

Chesapeake Bay Program. 1999. Targeting Toxics: A Characterization Report. A Tool for Directing Management and Sampling Actions in the Chesapeake Bay's Tidal Rivers. Online at http://www.chesapeakebay.net/pubs/792.pdf. June 1999.

Chesapeake Executive Council. 2000. Toxics 2000 Strategy: A Chesapeake Bay Watershed Strategy for Chemical Contaminant Reduction, Prevention, and Assessment. Dec 2000. Online at http://www.chesapeakebay.net/pubs/subcommittee/tsc/toxics/pdf finals/toxics_2000.pdf.

City of Portsmouth. 2002. Water quality reports. City of Portsmouth, VA: Department of Public Utilities. Online at www.portsmouth.va.us/publicutil/waterqualityreport.htm . Accessed September 1, 2002.

CNRMA (U.S. Navy, Commander Navy Region Mid-Atlantic). 2003a. Personal communication with V. Walker, Commander Navy Region Mid-Atlantic. May 27, 2003.

CNRMA. 2003b. Personal communication with John Morello, Regional Housing Coordinator, Commander Navy Region Mid-Atlantic. September 8, 2003.

Elizabeth River Project. NDa. Elizabeth River Fish Consumption Survey. Pilot Project. Undated.

Elizabeth River Project. NDb. Sampling the Health of the Elizabeth River. Online at http://www.elizabethriver.org/. Undated.

Elizabeth River Project. 1996. Elizabeth River Restoration: A Watershed Action Plan to Restore the Elizabeth River, Leadership Review Draft. April 26, 1996. Norfolk, VA: Elizabeth River Project.

EPA (U.S. Environmental Protection Agency). 1997. Hazard Ranking System package: Norfolk Naval Shipyard. Washington, DC: US Environmental Protection Agency.

EPA. 1999a. Final Field Trip Report, St. Juliens Creek Annex Site, Chesapeake City, Virginia. 1999.

EPA. 1999b. Sampling Plan for St. Juliens Creek Annex, Chesapeake City, Virginia. January 25, 1999. Prepared by Tetra Tech EM Inc., Philadelphia, PA.

EPA. 2000. Hazard Ranking System Documentation Record for St. Juliens Creek Annex (U.S. Navy), Chesapeake City, Virginia. January 3, 2000. Philadelphia, PA: Tetra Tech EM Inc. Online at http://www.epa.gov/reg3hwmd/super/VA/st-juliens-creek/hrs.pdf.

EPA. 2002. Lead in your drinking water. Online at: http://www.epa.gov/safewater/Pubs/lead1.html. Washington, DC: US Environmental Protection Agency. Accessed September 1, 2002.

EPA. 2003. Current Site Information, St. Juliens Creek Annex (US Navy). Last updated May 2003. Online at http://www.epa.gov/reg3hwmd/npl/va5170000181.htm.

GlobalSecurity.org. 2001. Hampton Roads/Virginia Capes Operating Area. Online at http://www.globalsecurity.org/military/facility/hampton-roads.htm. Updated November 15, 2001.

LANTDIV (U.S. Navy, Naval Facilities Engineering Command, Atlantic Division). 1981. Navy Assessment and Control of Installation Pollutants: Initial Assessment Study of St. Juliens Creek Annex, Norfolk Naval Shipyard, Portsmouth, Virginia. NEESA 13-001. August 1981. Prepared by Naval Energy and Environmental Support Group, Port Hueneme, California.

LANTDIV. 1992a. Environmental Planning and Analysis Report. St. Juliens Creek Annex, Norfolk Naval Shipyard, Portsmouth, Virginia. Prepared by Espey, Huston & Associates, Inc, Williamsburg, VA. June 19, 1992.

LANTDIV. 1992b. Revised Draft Site Evaluation Report, Military Construction Project P-320, Shore Intermediate Maintenance Activity, St. Juliens Creek Annex, Portsmouth, Virginia. Prepared by Baker Environmental, Inc., Coraopolis, PA. July 19, 1992.

LANTDIV. 1993. Final Community Relations Plan, Naval Base Norfolk, Norfolk, Virginia. Prepared for Atlantic Division, Naval Facilities Engineering Command, Norfolk, Virginia, by Baker Environmental, Inc. May 27, 1993.

LANTDIV. 1994. Final Community Relations Plan, Norfolk Naval Shipyard, Portsmouth, Virginia. Prepared for Atlantic Division, Naval Facilities Engineering Command, Norfolk, Virginia, by Baker Environmental, Inc. July 8, 1994.

LANTDIV. 1995. Final Corrective Action Plan, Building 201, St. Juliens Creek Annex, Norfolk Naval Shipyard, Portsmouth, Virginia. Contract Task Order 0272. February 15, 1995. Prepared by Baker Environmental, Inc, Coraopolis, PA.

LANTDIV. 1996. Final Relative Risk Ranking System Data Collection Report, St. Juliens Creek Annex to the Norfolk Naval Base, Chesapeake, Virginia. April 23, 1996. Prepared by CH2MHILL.

LANTDIV. 1998a. Draft Remedial Investigation and Human Health Risk Assessment for Waste Disposal Area B (Site 2) and Burning Grounds (Site 5), St. Juliens Creek Annex, Chesapeake, Virginia. 1998. Prepared by CH2MHILL.

LANTDIV. 1998b. Draft Remedial Investigation and Human Health Risk Assessment for Waste Disposal Area C (Site 3) and Landfill D (Site 4), St. Juliens Creek Annex, Chesapeake, Virginia. 1998. Prepared by CH2MHILL.

LANTDIV. 2000a. Draft Final Community Relations Plan. Naval Station Norfolk, St. Juliens Creek Annex, Chesapeake, Virginia. LANTDIV CLEAN II Program. May 2000.

LANTDIV. 2000b. Final Site Management Plan. Naval Station Norfolk, St. Juliens Creek Annex, Chesapeake, Virginia, for FY 2000-2001. LANTDIV CLEAN II Program. July 2000. Prepared by CDM Federal Programs Corporation.

LANTDIV. 2000c. Written communication from T.A. Reisch, Remedial Project Manager, Installation Restoration Section, North, to T. Richardson, EPA, regarding Community Concerns. March 28, 2000.

LANTDIV. 2000d. Written communication from T.A. Reisch (Remedial Project Manager, Installation Restoration Section, North), to T. Richardson (EPA), regarding St. Juliens Creek Annex, Fire Training Area - Site 15. May 31, 2000.

LANTDIV. 2001. Final Technical Memorandum, Findings of Expanded Site Inspection, Site 17 (Building 278/279), St. Juliens Creek Annex, Chesapeake, Virginia. March 1, 2003. Prepared by CH2MHILL.

LANTDIV. 2002. Final Site Screening Assessment Report, St. Juliens Creek Annex, Chesapeake, Virginia. LANTDIV CLEAN II Program. April 2002. Prepared by CH2MHILL.

LANTDIV. 2003a. Final Site 6 Closeout Report and Site 3 Removal Summary, St. Juliens Creek Annex, Chesapeake, Virginia. Prepared by CH2MHILL.March 1, 2003.

LANTDIV. 2003b. Final Remedial Investigation/Human Health Risk Assessment/Ecological Risk Assessment Report for Sites 3, 4, 5, and 6. Volume I - Text. St. Juliens Creek Annex, Chesapeake, Virginia. March 1, 2003. Prepared by CH2MHILL.

LANTDIV. 2003c. Remedial Action Construction Closeout Report. Volume I of II. RAC Action St. Juliens Creek Annex, Chesapeake, VA, IRA at Sites 1, 3, 6, and 7. Prepared by Shaw Environmental & Infrastructure, Inc., Virginia Beach, VA. January 2003.

LANTDIV. 2003d. Phone communication, D. Hayes, LANTDIV. September 2, 2003.

LANTDIV. 2003e. Site Investigation. St. Juliens Creek Annex, Chesapeake, VA, at Sites 8, 19, and 21. 2003.

LANTDIV. 2003f. Baseline Ecological Risk Assessment. St. Juliens Creek Annex, Chesapeake, VA. 2003.

NAVFAC (U.S. Navy, Naval Facilities Engineering Command). 1996. Lead Management Plan, St. Julians Creek, Norfolk Naval Shipyard, Portsmouth, Virginia. January 1996. Prepared by Navy Public Works Center, Norfolk, VA.

NAVOSH (U.S. Navy, Navy Occupational Safety and Health). 2003. Navy Pediatric Lead Poisoning Prevention (PLPP) Program. Online at http://www.safetycenter.navy.mil. Accessed November 7, 2003.

NAVSEA (U.S. Navy, Naval Sea Systems Command). 1977. Written communication from Commander, Naval Sea Systems Command, to Commanding Officer, Naval Weapons Station Yorktown, St. Juliens Creek Annex, Portsmouth, Virginia, regarding Decontamination inspection of facilities and equipment at St. Juliens Creek Annex.

NEHC (U.S. Navy, Navy Environmental Health Center). 2003a. Public Health Assessment Review, ATSDR Predecisional Draft for Data Validation (30 September 2003), Public Health Assessment, St. Juliens Creek Annex, Chesapeake, Virginia. Navy Environmental Health Center. EP 0734. 2 December 2003.

NEHC. 2003b. Written communication from Commanding Officer, Navy Environmental Health Center, to ATSDR, regarding Navy Response to ATSDR Questions Regarding the Public Health Assessment (In Progress) for St. Juliens Creek Annex, Portsmouth, VA. 11 August 2003.

NFESC (U.S. Navy, Naval Facilities Engineering Service Center). 2002. Virginia. Five-Year Plans. February 2002. Online at http://5yrplan.nfesc.navy.mil/previous/feb_2002/va.pdf.

NOAA (National Oceanic and Atmospheric Administration). 1999. Waste Site Reviews. Virginia: USN Norfolk Naval Shipyard. Reviewed 1999.

PWC (U.S. Navy, Navy Public Works Center, Norfolk). 1998. Letter from Commanding Officer, PWC, to Commander, Naval Base (Code N45), Norfolk, regarding Potable Water Source and Groundwater Usage at Naval Base, Norfolk. March 5, 1998.

SPAWAR (U.S. Navy, Space and Naval War Systems Command, San Diego). 1997. An integrated marine environmental compliance program for naval shipyards, phase IV report. San Diego, CA: SPAWAR Systems Center.

SPAWAR. 2002. Electronic mail message to ERG and ATSDR from Ron Gauthier concerning SPAWAR data and reports relating to NNSY. San Diego, CA: SPAWAR Systems Center. May 8, 2002.

USACE (U.S. Army Corp of Engineers). 2003. Urban Rivers Restoration Pilot Fact Sheet. Elizabeth River Basin, Virginia. March 26, 2003.

VDEQ (Virginia Department of Environmental Quality). 2002. USN St. Juliens Creek Annex, Chesapeake, VA. Superfund Program Site Fact Sheet. Updated October 11, 2002. VDEQ. Online at http://www.deq.state.va.us/waste/pdf/superfund/julien.pdf.

VDEQ. 2003a. Personal communication with H. Ghittino, Groundwater Permits Group Leader, VDEQ. July 2003.

VDEQ. 2003b. The Reduction of Toxics in State Waters Report. January 2003. Online at http://www.deq.state.va.us/water/tox.html.

VDEQ-CBP (Virginia Department of Environmental Quality, Chesapeake Bay Program). 2002. Elizabeth River Watershed Action Plan. Updated March 5, 2002. Online at http://www.deq.state.va.us/bay/eliz.html.

VDH (Virginia Department of Health). 1996. Virginia Childhood Lead Poisoning Estimation Model: Field Test Report. Virginia Department of Health, Division of Child and Adolescent Health. October 1996.

VDH. 2002. Personal communication with Russell Barker, Virginia Department of Health, Office of Water Programs, Division of Shellfish Sanitation. April 15, 2002.

VDH. 2003. Personal communication with Nancy K. Van Voorhis, Lead-Safe Virginia Program. Virginia Department of Health. August 2003.

Water and Air Research, Inc. 1983. Initial assessment study of Norfolk Naval Shipyard, Portsmouth, Virginia. Gainesville, FL: Water and Air Research, Inc.


TABLES

Table 1. Evaluation of Potential Exposure Pathways, St. Juliens Creek Annex, Chesapeake, Virginia.

Pathway Name Exposure Pathway Elements Time of Exposure Comments
Source of Contamination Environmental Medium Point of Exposure Route of Exposure Exposed Population
Eliminated Exposure Pathway
Drinking water Contaminated groundwater beneath industrial areas and landfills. Groundwater None None None None Past/Current/Future: Shallow and deep groundwater flow to the Elizabeth River, St. Juliens Creek, and Blows Creek. There are no groundwater users located downgradient of St. Juliens Creek Annex. Drinking water at St. Juliens Creek Annex and surrounding communities comes from sources far from St. Juliens Creek Annex.
Known or Possible Exposure Pathways
Surface soil St. Juliens Creek Annex Soil Annex and vicinity Incidental ingestion, inhalation,
dermal contact
Workers, visitors, residents Past

Past: Past residents of St. Juliens Creek Annex housing areas may have been exposed to contaminants at industrial areas. Most of the soil contamination was located at minimally-accessible industrial areas. Past residents may have been exposed to elevated levels of lead in soil, dust, and paint, at the housing areas, however blood lead testing data suggest that most or all of the children who lived there in the late 1990s did not have an elevated blood lead level, and are unlikely to have had health problems from the lead in their immediate environment.

Current/Future: The housing area was vacated in 2000 and St. Juliens Creek Annex is closed to the public. Site contamination is not transported to areas outside the site by surface water or surface run-off.

Surface water and sediment St. Juliens Creek Annex Surface water Blows Creek, St. Juliens Creek, and the Elizabeth River Incidental ingestion, inhalation, dermal contact On- and off-site residents; recreational users of local waterways (fishers, boaters, swimmers)

Past

Current

Future

Past: Former residents of St. Juliens Creek Annex could have used Blows Creek for recreational uses. ATSDR expects that young children did not access the industrial areas or the nearby marsh areas. Elevated levels of inorganics and PAHs were found in the creek, but these levels are not expected to have posed a health hazard to any recreational users. ATSDR was unable to identify any records indicating that Blows Creek was used for recreational purposes.

Current/Future: Recreational users have access to St. Juliens Creek and the Elizabeth River for swimming, fishing, and boating, and may be exposed to sediment and surface water. There is no public access to Blows Creek. People have been seen fishing on the Elizabeth River shore opposite St. Juliens Creek Annex, but site access is restricted, so nobody is expected to come in contact with sediments along the Annex side of the river. Sampling of sediment found elevated levels of inorganics, pesticides/PCBs, and SVOCs. Recreational users may contact sediment and surface water incidentally and infrequently. Unexploded ordnance (UXO) is discussed in the Physical Hazards section.

Fish and shellfish Various sources Fish and shellfish St. Juliens Creek and Elizabeth River Ingestion Fishers and their families

Past

Current

Future

The extent to which crabs and fish are eaten from St. Juliens Creek and the Elizabeth River is unknown. VDH prohibits consumption of shellfish, based on coliform levels in the water. Other agencies are studying contamination in the Elizabeth River watershed. Fish eaters can best protect themselves by following state and local agencies' advisories for eating seafood, including recommendations about how to select and prepare seafood to reduce potential exposure to contaminants.
Air Burning of trash and ordnance Air Annex and vicinity Inhalation Workers, visitors, on-base and off-base residents Past

Past: Ordnance materials and other trash were burned at landfills and burning grounds from the 1920s until the 1970s, releasing potentially hazardous contaminants to air. Uncontrolled burns were reported multiple times. Off-site housing is within one quarter mile of likely sources of air emissions, and former on-site housing areas are a similar distance of other likely sources. Both areas may have experienced unknown, likely short duration, exposure to air emissions. No sampling of air was conducted during burning to document possible exposure.

Current/Future: Air sampling, from many years after operations ended, detected no VOCs or radionuclides in air at likely emissions sites, meaning no exposure hazard currently exists.

Physical hazards St. Juliens Creek Annex Various Industrial areas at St. Juliens Creek Annex; soft sediment at the former wharf area in the Elizabeth River. Contact On- and off-site residents; recreational users of local waterways

Past

Current

Future

Past/Current/Future: Loading/unloading operations at the former wharf area may have dropped ordnance in the water and these items may be present. There are no documented cases of any contact with unexploded ordnance (UXO) on site grounds and there is no access to St. Juliens Creek Annex. The Navy Range Program has posted warning signs to inform boaters not to enter the area that may contain UXO in sediments.


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