Biggs & Mathews Environmental was established in 1999 to provide professional services to the solid waste industry. We have since grown to a staff of over 35 professional engineers, geologists, CAD designers, and technicians that provide a wide variety of services to our clients. We can provide expertise for anything from conceptual planning to closure for the solid waste industry, including but not limited to: • Siting studies • Preliminary design studies • Permitting greenfield sites • Amendments and modifications to existing permits • Infrastructure improvements design and construction management • Landfill liner system design, construction management and certification • Leachate collection system design, construction management and certification • Final cover system design, construction management and certification • Landfill gas collection system design, construction management and certification • Groundwater monitoring system design and installation • Landfill gas monitoring system design and installation • Airspace inventory management, planning and reporting • Groundwater monitoring sampling and reporting • Landfill gas monitoring sampling and reporting • Soil borrow inventory management and planning • Stormwater compliance sampling and reporting