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Davis Dam Zequanox TM Treatments. Zequanox TM. NY State Museum developed environmentally friendly bacterial product lethal only to quagga and zebra mussels Made from dead cells of a specific strain of Pseudomonas flourescens (CL 145A)

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Presentation Transcript
zequanox tm
Zequanox TM

NY State Museum developed environmentally friendly bacterial product lethal only to quagga and zebra mussels

Made from deadcells of a specific strain of Pseudomonas flourescens (CL 145A)

Commercially developed by Marrone Bio Innovations

Reclamation and MBI have a cooperative research and development agreement (CRADA)

Pseudomonas flourescens

zequanox tm1
Zequanox TM

Natural compounds in the bacterial product kill the invasive mussels when ingested by destroying the mussels’ digestive system.

Healthy gut

Treated gut

Photos by New York State Museum

ecotoxicology studies zequanox tm t ested safe on numerous important aquatic species
Ecotoxicology Studies ZequanoxTMtested safe on numerous important aquatic species:
  • Water flea, Daphnia magna
  • Freshwater shrimp, Hyalella azteca
  • Native blue mussel, Mytilusedulis
    • Native freshwater (Unionid) clams – (Elliptio complanata, Lampsilis radiate, Lasmigona compressa, Pyganodon grandis, Strophitus undulates, Pyganodon cataracta)
    • Mallard duck, Anas platyrynchos
    • Fish
    • Fathead minnow, Pimephales promelas
    • Sunfish, Lepomismacrochirus
    • Brown trout, Salmo trutta
    • Chinook salmon, Oncorhynchus tshawytscha
davis dam treatments 2011
Davis Dam Treatments - 2011
  • EPA authorized (2010) Reclamation a Quarantine Exemption per FIFRA Section 18 for Colorado River dams
  • Reclamation in process of following NEPA protocols
  • Reclamation plans to treat one Davis Dam cooling water system with ZequanoxTMin March 2011

Davis Dam

key points in epa letter granting quarantine exemption per fifra section 18 to reclamation
Key points in EPA letter granting Quarantine Exemption per FIFRA Section 18 to Reclamation:

“An exemption from tolerance will be established for this strain of Pseudomonas flourescens.”

“The proposed use is not expected to pose a significant risk to the environment, to ground water and surface water, or to non-target organisms.”

questions
Questions?

Contact:

FNibling@usbr.gov

LWillett@usbr.gov