10 Articles found

Dungeness Environmental Solutions, Inc. (DESI) Articles

Seatac airport third runaway - Case Study
Active Treatment with 1% ChitoVan™ Chitosan Acetate The west side of Sea-Tac airport was widened by adding 11 million cubic yards of fill dirt to create the 3rd runway. Because the west side of the airport drains to Miller Creek, a protected ...

Jan. 18, 2012
Brightwater treatment plant - Case Study
Active Treatment and Certification To meet the stringent state stormwater run-off standards during construction of the Brightwater Conveyance and Wastewater Treatment Plant Project in Woodinville, WA one active treatment system using 1% ChitoVan ...

Jan. 18, 2012
Uptown shopping center - Case Study
ChitoVan Chitosan Lactate Cartridge Pretreatment and Sand Filtration Urban development and redevelopment present a host of challenges - not the least of which is managing site stormwater runoff. In a northern suburb of Vancouver Island’s ...

Jan. 18, 2012
North Carolina wal mart - Case Study
Passive Pre-Treatment with ChitoVan Cartridges Followed by CESF with 1.5% ChitoVan Two Chitosan-Enhanced Sand Filtration systems where implemented during the construction of a Wal-Mart Superstore and Sam`s Club near Raleigh, NC. The treatment train ...

Jan. 18, 2012
Wire manufacturing facility - Case Study
Bench-Scale Stormwater Treatment Study A large wire manufacturer in Washington State asked Dungeness Environmental to perform a treatability study on their stormwater run-off. The run-off requires remediation prior to discharge for turbidity, zinc, ...

Jan. 18, 2012
Lake dredge - Case Study
Final Dredge Effluent Polishing with CESF Treatment using ChitoVan Chitosan Lactate Hosting over 400 different species of plant, bird, fish, reptiles and amphibians, Burnaby Lake is the most ecologically valuable resources in the Vancouver, BC ...

Jan. 18, 2012
University of Washington portal - Case Study
Active Treatment and Wheel Wash Water Treatment In late 2008 construction began on the 3-year Seattle Light Rail University of Washington link connecting the university with downtown Seattle. Because this site drains to Lake Washington and the ...

Jan. 18, 2012
Petersburg airport improvements - Case Study
Semi-Passive Treatment with ChitoVan Chitosan Lactate Cartridges Dungeness Environmental was called upon to assist with passive treatment using ChitoVan Chitosan Lactate Cartridges at an Airport Safety Improvement project in Petersburg, Ak in March ...

Jan. 18, 2012
BNSF skykomish - Case Study
Passive Pre-Treatment with ChitoVan Cartridges Followed by CESF with 1 % ChitoVan Cleanup of a former railway fuel and maintenance facility in Skykomish, WA is currently underway. Nearby environmentally sensitive waterways have increased the need ...

Jan. 18, 2012
Log yard water treatment study - Case Study
Stormwater run-off from log yards and saw mills has long been a difficult waste stream to manage. The challenge arises from ability of wood and bark to easily leach high levels of organics (tannins, lignins, phenolics and resin acids) into mobile ...

Jan. 18, 2012

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