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Spokane River: Contaminants and Health

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Spokane River: Contaminants and Health. Public Health Risks. Chemicals and Heavy Metals PCBs PBDEs Dioxins/Furans Metals Biological Hazards. 1. PCBs (Polychlorinated Biphenyls). Spokane River does not meet WA human health criteria for PCBs in edible fish tissue

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Presentation Transcript
public health risks
Public Health Risks
  • Chemicals and Heavy Metals
    • PCBs
    • PBDEs
    • Dioxins/Furans
    • Metals
  • Biological Hazards
1 pcbs polychlorinated biphenyls
1. PCBs (Polychlorinated Biphenyls)
  • Spokane River does not meet WA human health criteria for PCBs in edible fish tissue
  • Sources and pathways to the Spokane River
    • City of Spokane stormwater (44%)
    • municipal and industrial discharges (20%)
    • and Little Spokane River (6%)
    • PCB loading from Idaho at the state line (30%)
2 pbdes polybrominated diphenyl ethers
2. PBDEs(Polybrominated Diphenyl Ethers)
  • Chemical additives used in everyday household products as flame retardants
  • Sources and pathways to the Spokane River
    • Can leach out of manufactured items and enter the air, soil and water
    • Has been detected in sediment, storm water, and sewage from residential and industrial sources
3 dioxins furans
3. Dioxins/Furans
  • Can be released into the air, soil, and water. Fish tissue sampling in the Spokane River showed elevated levels
  • Sources and pathways to the Spokane River
    • Byproduct of burning municipal waste, sludge, medical waste, and wood and cement kilns
    • Byproduct of manufacturing herbicides and pulp/paper products
4 metals
4. Metals
  • Lead, arsenic, cadmium and zinc are released as part of mining, milling and ore processing
  • Sources and pathways to the Spokane River
    • An estimated 100 million tons of mine wastes released in river from the Upper Coeur d’Alene Basin in Idaho.
    • Contaminants traveled downstream, moved through Lake Coeur d’Alene and deposited in the Spokane River.
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Intestinal Microorganisms

Shown to cause gastroenteritis from recreational water

*reportable

  • Giardia*
  • Cryptosporidium*
  • Shigella*
  • Salmonella*
  • Hepatitis A*
  • Coxackie A and B
  • Norwalk virus
  • E.coli 0157:H7* (also Leptospirosis)
slide8

Other Microorganisms

Found in the environment which cause infections or diseases

*reportable

  • Pseudomonas aeruginosa
  • Schistosome cercarial
  • Staphylococcus sp.
  • Legionella sp.*
  • Naegleria fowleri
  • Mycobacterium sp.
  • Vibrio sp.*
slide9

Spokane River Clean Up and Restoration

Completed sites

Pending sites

Completed PCB Sites

slide12

Environmental Public Health

1101 West College Avenue, Spokane

(509) 324-1560 | TDD 324-1464

Michael LaScuola

324-1574

[email protected]

www.srhd.org

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