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Industrial Pretreatment Program
The LOTT Pretreatment Program's focus is on Significant Industrial Users (SIUs) and high-strength dischargers. The Program successfully meets federal requirements designed to prevent the introduction of pollutants that could interfere with treatment plant processes, impact receiving water or biosolids quality, and/or threaten workers' safety. The program is mandated by the Department of Ecology as part of LOTT's National Pollutant Discharge Elimination System (NPDES) Permit.
Best Management Practices
Best Management Practices (BMPs) are effective, and practical measures implemented to prevent or reduce pollution from entering the sewer wastewater pipes and systems. The BMPs contain schedules of activities, prohibitions of practices, maintenance procedures, treatment requirements, operating procedures, and practices to control business specific liquid and hazardous waste. Since practices will vary from one business to another, LOTT has developed a large variety of BMPs, some are available in multiple languages, for commercial LOTT customers to abide by in accordance with local city ordinances. Choose from our library list of BMPs by clicking here.
Fats, Oils, and Grease Best Management Practices
Every commercial food service establishment produces waste products of fats, oils, and grease (FOG). FOG is a major contributor to stoppages in the city sewer system and grease build up at the LOTT Clean Water Alliance Budd Inlet Treatment Plant. FOG comes from more than just grease, it also comes from butter, condiments, dressing, cooking oils, and dairy products. Even if you can't see FOG in hot soapy water, it's still there. As FOG goes through the sewer system it cools, comes out of solution and coats the sewer pipes which in turn causes stoppages throughout the city. This causes sewage spills, manhole overflows or backups in homes and businesses.
Click on the thumbnail above to view a ten minute video, which demonstrates the Best Management Practices (BMPs) food service establishments should follow to properly maintain the grease trap or grease interceptor, and ensure FOG stays out of the pipes.
Las Mejores Prácticas de Control de aceites y grasas
Cada establecimiento de comida de servicio comercial produce productos de desecho de las grasas y aceites (FOG=grasas y aceites). FOG es un importante contribuyente a las interrupciones del sistema de alcantarillado de la ciudad y la acumulación de grasa en LOTT (Alianza de Agua Limpia planta de Tratamiento Budd Inlet). FOG viene de más que sólo la grasa, sino que también viene de la mantequilla, los condimentos, aceite comestible, y los productos lácteos. Incluso si usted no puede ver FOG en agua caliente y jabón, todavía está allí. Como FOG pasa a través de la red de alcantarillado se enfría, sale de la solución y cubre las tuberías de alcantarillado lo cual provoca obstrucciones por toda la ciudad. Esto causa derrames del alcantarillado, desbordamientos de las tapas de las alcantarillas o desbordamiento en los hogares y las empresas.
Haga clic en la imagen de arriba para ver un video de diez minutos, lo que muestra las Mejores Prácticas de Control que los establecimientos de servicio de comida deben seguir apropiadamente para mantener la trampa o el interceptor de grasa y asegurar que FOG quede fuera de las tuberias.
LOTT Alianza de Agua Limpia reconoce con gratitud la Agencia de Saneamiento de la ciudad de Los Ángeles, Departamento de Obras Públicas por el concepto, contenido y las ilustraciones de este video.
餐饮业厨房油脂最佳管理措施
所有的餐饮业都会产生油脂(FOG), 而油脂是造成市污水系统和LOTT污水处理厂阻塞的主要原因。油脂的来源很多，比如奶油，调味料，沙拉酱，食用油和乳制品。即使你在热肥皂水里，看不到油脂，但油脂是真真实实的存在。当这些油脂被倒入下水道，会逐渐冷却凝固于管道壁，造成大面积的阻塞。当阻塞发生时，污水将会倒流至家庭和商家，造成损失，并影响环境及公共卫生。
针对如何正确处理餐饮业油脂的问题，我们制作了一份十分钟左右的宣传影片，叫做餐饮业油脂处理最佳管理措施。所有的餐饮业都应该遵照最佳管理措施，来维护油脂捕捉器，以求避免油脂进入污水管道。
지방, 오일 및 기름의 최선 관리법
모든 커머셜 음식 업소들은 지방, 오일 및 기름(FOG) 폐기물을 야기합니다.
FOG는 도시 하수 시스템을 막고 LOTT Clean Water Alliance Budd Inlet Treatment Plant에 기름을 싸이게 하는 최대의 원인 제공자입니다. FOG는 단지 기름에서 뿐만 아니라 버터, 양념, 드레싱, 쿠킹 오일 그리고 유제품에서도 나옵니다. 비록 당신이 뜨거운 비눗물 속에서 FOG를 볼 수 없어도 그것은 여전이 거기에 있습니다. FOG가 하수 시스템을 통과해 갈 때 식으면서 나오는 폐수용액이 하수파이프들에 쌓이고 도시 전체를 막히게 합니다. 이는 하수를 유출하게 하고, 맨홀을 넘치게 하거나 집이나 사업장으로 역류하게 하는 원인이 됩니다.
기름트랩 이나 기름 차단기를 적절하게 관리하고 FOG를 파이프에서 완전히 제거하기 위해 음식 업소에서 따라야 하는 최선 관리법(BMPs)을 시연하는 10분짜리 동영상을 보기 위해 상단의 썸네일을 클릭하십시오.
Pretreatment Regulations
The LOTT Alliance administers and enforces an Industrial Pretreatment Program through agreement with the Cities of Lacey, Olympia, and Tumwater, and Thurston County. LOTT's Discharge and Industrial Pretreatment Regulations are adopted by the partner jurisdictions as their respective ordinances. The ordinances set forth uniform requirements for all discharges into the sewer collection systems and wastewater treatment facilities. This program enables the Cities and County to comply with all applicable State and Federal laws required by the Clean Water Act of 1977, and amendments thereof, and the General Pretreatment Regulations (40 CFR, Part 403), which includes submission of an annual report to the Washington State Department of Ecology. The objectives of the program are:
- To prevent the introduction of pollutants into the Publicly Owned Treatment Works (POTW) that will interfere with the operation of the system, or contaminate the resulting biosolids.
- To prevent the introduction of pollutants into the POTW which will pass through the system inadequately treated, into receiving waters or the atmosphere, or otherwise be incompatible with the system.
- To ensure that the quality of the wastewater treatment plant biosolids is maintained at a level which allows its use and disposal in compliance with applicable statutes and regulations.
- To provide for equitable distribution of wastewater costs among dischargers, and establish a system of fees and charges that recovers the cost of the Industrial Pretreatment Program.
- To protect POTW personnel who may be affected by wastewater and biosolids in the course of their employment, and to protect the general public.
The Significant Industrial Users currently permitted by LOTT's Industrial Pretreatment Program include:
For more information about regulating wastewater discharges to LOTT, send us an email or call (360) 528-5708.