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HEALTH CONSULTATION
PESTICIDE RELEASE IN A SWIMMING POOL
POLLOCK, LOUISIANA

III. CONCLUSION

  • The presence of trifluralin in the swimming pool water poses a public health hazard to future swimmers via incidental ingestion or dermal contact with the contaminated pool water.

 

RECOMMENDATIONS

  1. The pool water should be discharged. However before discharge of the water, the water should be sampled in order to determine the remaining concentrations of trifluralin.
  2. If the residence in question is serviced by a municipal storm-sewer system, notify the system of the upcoming discharge. If the residence is not serviced by a municipal system and the pool water will be discharged into surface water, the Water Pollution Control Division of the Louisiana Department of Environmental Quality should be consulted.
  3. The walls and floor of the pool should be hosed to remove any herbicide residue on the pool surfaces.
  4. The sand from the pool filter system should be removed. The fitler system should flushed with water and replaced with fresh sand.

REFERENCES

  1. Louisiana Department of Agriculture and Forestry. Memorandum with data sheets concerning Trifluralin contamination in swimming pool in Pollock, LA. July 23, 1998.
  2. U.S. National Library of Medicine. Hazardous Substances Databank. Bethesda, MD, 1998.
  3. U.S. Environmental Protection Agency. Integrated Risk Information System Database, Washington, DC, 1998.

PREPARER OF REPORT


Barbara Cooper
Louisiana Office of Public Health

ATSDR Regional Representative
George Pettigrew

Technical Project Officer
Tina Forrester
Division of Health Assessment and Consultation Agency for Toxic Substances and Disease Registry

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