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Hazardous Materials Management
Northgate's engineers and regulatory specialists interpret and apply environmental laws and regulations to assist clients in safely managing hazardous substances and controlling liabilities. Northgate’s Hazardous Materials Management services include:
- Risk Management Planning
- Environmental Auditing
- Evaluation of Material Handling Practices
- Preparation of Permits and Operation Plans
- Closure of Permitted Facilities
Experience
Northgate has an in-depth knowledge of environmental laws, regulations, and policies, gained from years of experience assisting clients with the management of environmental liabilities. Our engineers and scientists succeed by thoroughly understanding our client's needs and developing cost-effective solutions to regulatory requirements. Northgate provides hazardous materials management services to industrial facilities, land owners, attorneys, and government agencies. Our professional staff assists clients with a wide range of activities, including:
- Installation and Removal of Underground Storage Tanks
- Preparation of Spill Prevention Control and Countermeasure (SPCC) Plans
- Preparation of Hazardous Materials Business Plans
- Assistance with RCRA and NPDES Permit Compliance
- Characterization and Management of Hazardous Wastes
- Acquisition of Permits for Discharges to Air and Water
- Preparation and Implementation of Facility Closure Plans
Case Study
This project involved an assessment of waste classification and disposal options for a complex waste stream consisting of ash, digester sludge, and tannery wastes at a former landfill. At the commencement of the project, it was assumed by the lead regulatory agency and the proposed disposal facility that approximately 80,000 tons of waste would most appropriately be managed as hazardous waste. In accordance with U.S. Environmental Agency guidelines, Northgate collected waste samples using a random sampling method. Northgate conducted a rigorous statistical evaluation of the data to profile wastes for disposal purposes. Based on our analysis, only 40 percent of the landfill wastes were classified as hazardous waste; the remaining 60 percent was classified as Class II alternative daily cover. As a result of the more accurate classification, Northgate saved the client approximately $2.5 million in waste disposal costs.
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Cleanup at Former Landfill with Tannery Wastes
Solano County, CA
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Additional Project Experience
- Development and Presentation of Training Sessions on Hazardous Materials Management and Storm Water Pollution Prevention. City of Alameda, California.
- Completion of As-Built Survey and Secondary Containment Calculations for Emergency Power Generation Facility to Expand Fuel Storage Capacity. Alameda County, California.
- Negotiation with US Environmental Protection Agency to Classify Pesticide Wastes as Non-RCRA Material, Enabling More Cost-Effective Disposal Options. Richmond, California.
- Obtaining Variance from State Agency to Recycle Asbestos-Containing Soil as Non-Hazardous Deep Fill in a Highway Construction Project. San Jose, California.
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