TagStormwater(7)
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2023-08-03 19:13Tribes call for national ban on salmon-killing chemical in car tires
by John Ryan Three Northwest tribes have petitioned the federal government to ban a salmon-killing chemical found in tires and urban streams worldwide. As car and truck tires wear and leave behind skid marks and tire dust, the rubber stabilizer known as 6PPD turns into 6PPD-quinone (also called 6PPD-q), one of the most toxic substances -
2021-01-01 00:00Burien 2021-2022 Adopted Budget – Surface Water Management (SWM) Capital Improvement Program
Capital improvement program budget document for surface water management projects in the City of Burien for 2021-2026. Shows $2.65 million in funding sources and details for 10 specific projects including residential drainage improvements, stormwater projects, and infrastructure repairs. -
2015-01-23 23:18Airport offers a glimpse at tightening stormwater regulations
Key takeaways Sea-Tac Airport operates under one of the strictest stormwater permits in the state. Every inch of rain that falls at Sea-Tac generates about 6 million gallons of wasterwater, according to the airport. Despite many toxic chemicals used on-site, such as jet fuel and deicer, the airport reports that its most contaminated area is -
2014-10-13 00:00PFAS Training Exercise, October 13, 2014
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1997-06-01 00:00Symonds Stormwater System June 1997
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1997-05-20 00:00Storm Water Outfall 007 1997-05-20
Seattle-Tacoma International Airport Outfall 007 (SON 2) Location : Just south of well head that supplies drinking water to the Seattle area, – south side of 8154 St near landing light towers on north end of airport – approximately 2000 feet southwest of Reba Detention facility According to EPA NPDES Form 351 0-2F : -Receiving -
1993-12-22 00:00Barbara Hinkle to Barbara Stuhring re De-icer Ethylene Glycol
RE: Your letter of November 17th to Mr. Paradee regarding the use of ethylene glycol at the Sea-Tac Airfield Dear Ms. Stuhring: Your letter has been forwarded to me for response. Please excuse the delay. With regard to the use of ethylene glycol: The Federal Aviation Administration (FAA) approves or disapproves the use of deicing agents on airplanes. The Port of Seattle has no control over what is used on airplanes. The airlines do the deicing of their airplanes, not the Port, and must comply with all FAA regulations. Currently, the FAA allows only, and I stress only, the use of ethylene or propylene glycol. The airlines are not allowed to use any other chemicals for deicing. All deicing of airplanes occurs at the terminals or near hangers. I wish to stress tltat the areas where airplanes are deiced drain to the airfiled waste water treatment system, where the water is treated and then discharged to Puget Sound via a long outfall. These waters are not discharged to either Des Moines or Miller's creeks. The Port's treatment plant is not designed to treat glycols. However, the Port is currently evaluating alternative ways of modifying or adding to the treatment plant to treat the glycols. Again, I want to stress that these waters are not discharged to either Miller or Des Moines Greeks. The Port has not yet received a new permit from the Department of Ecology and therefore we do not know the new requirements. The Port does anticipate the…