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PUBLIC HEALTH ASSESSMENT

MRI CORPORATION
TAMPA, HILLSBOROUGH COUNTY, FLORIDA


CONCLUSIONS

Based on the information reviewed and cited in this public health assessment, we conclude:

  1. The MRI Corporation site poses no apparent public health hazard because no one is currently being exposed to the contaminated groundwater. If, in the future, people drink contaminated groundwater, the concentrations of cyanide and lead in the groundwater could cause illness.
  2. The extent of groundwater contamination offsite has not been characterized.
  3. Most residents within a one mile area of the site consume municipal water. Private wells are located on the outside of the one mile area and currently do not represent a health threat.
  4. More sediment and surface water data are needed to assess the public health threat.
  5. Large portions of undeveloped land on the site may impact public health findings if development occurs in the future.

RECOMMENDATIONS

The recommendations and advice in this public health assessment are based upon the referenced data and information. Additional data could alter these recommendations.

  1. Insure that no one uses the contaminated groundwater as a source of drinking water. Private well surveys should be performed to completely determine the drinking water characteristics of the area.
  2. Sample private wells within one mile of the site for metals and cyanide.
  3. Determine the extent of off-site groundwater contamination.
  4. Collect off-site sediment and surface water samples and analyze for site-related contaminants.
  5. Reevaluate the on-soil exposure pathway if land use on the site changes.

The conclusions and recommendations in this report are based on the information reviewed. If additional information becomes available, we will evaluate it to determine what, if any, additional actions are necessary. We plan to review the Remedial Investigation and Feasibility Study report when it becomes available. The conclusions and recommendations in this report are site specific and are not necessarily applicable to other sites.


PREPARER OF REPORT

Public Health Assessment Author

Julie Smith
Environmental Specialist III
Bureau of Environmental Toxicology
Florida Department of Health
(904) 488-3385

ATSDR Technical Project Officers:

Roberta Erlwein
Division of Health Assessment and Consultation

Laurie Colombo
Division of Health Education

Paul Jones
Division of Health Studies

ATSDR Regional Representative

Bob Safay
Senior Regional Representative


CERTIFICATION

The MRI Corporation Public Health Assessment was prepared by the Florida Department of Health, Bureau of Environmental Toxicology, under a cooperative agreement with the Agency for Toxic Substances and Disease Registry (ATSDR). It is in accordance with approved methodology and procedures existing at the time the health consultation was begun.

Roberta Erlwein
Technical Project Officer, SPS, SSAB, DHAC, ATSDR

The Division of Health Assessment and Consultation, ATSDR, has reviewed this public health assessment and concurs with its findings.

Chief, SPS, SSAB, DHAC, ATSDR


REFERENCES

(1) NUS Corporation for U.S. Environmental Protection Agency, Waste Management Division. Screening Site Inspection Report, Phase II. MI Corporation. July 23, 1990.

(2) U.S. Environmental Protection Agency. Supplemental Site Screening Inspection Report. November 13, 1992.

(3) Personal Communication with Randy Bryant, South Florida Superfund Section. Environmental Protection Agency. 4/8/97.

(4) CensusCD. Version 1.1. GeoLytics, Inc. East Brunswick New Jersey.

(5) Integrated Risk Information System (IRIS). 5/7/97

(6) Personal Communication with Virginia Beard Hillsborough County Health Department. 4/9/97.

(7) Environmental Protection Agency. December 1989. Risk Assessment Guidance for Superfund Volume I. National Technical Information Service.

(8) Risk Assistant. 1994. Risk AssistantTM Software. Hampshire Research Institute, Alexandria, VA.

(9) ATSDR. July 1992. Toxicological Profile for Aluminum. Agency for Toxic Substances and Disease Registry, US Public Health Service.

(10) ATSDR. April 1993. Toxicological Profile for Chromium. Agency for Toxic Substances and Disease Registry, US Public Health Service.

(11) ATSDR. August 1995. Toxicological Profile for Cyanide. Agency for Toxic Substances and Disease Registry, US Public Health Service.

(12) ATSDR. May 1994. Toxicological Profile for Lead. Agency for Toxic Substances and Disease Registry, US Public Health Service.

(13) ATSDR. July 1992. Toxicological Profile for Manganese. Agency for Toxic Substances and Disease Registry, US Public Health Service.

(14) ATSDR. August 1995. Toxicological Profile for Nickel. Agency for Toxic Substances and Disease Registry, US Public Health Service.

(15) ATSDR. September 1992. Toxicological Profile for Tin. Agency for Toxic Substances and Disease Registry, US Public Health Service.

(16) ATSDR. July 1992. Toxicological Profile for Vanadium. Agency for Toxic Substances and Disease Registry, US Public Health Service.

(17) ATSDR. May 1994. Toxicological Profile for Zinc. Agency for Toxic Substances and Disease Registry, US Public Health Service.

(18) MRI Corporation. 1978. Process Description for MRI Corporation. Tampa. Hillsborough County, Florida.

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