D&B has successfully completed assignments covering all aspects of siting, permitting, designing, constructing, operations monitoring, remediation and landfill closure on projects including:
- Municipal solid waste
- Hazardous waste
- Incinerator ash
- Construction and demolition wastes
- Bulky wastes
D&B’s multi-phased, systematic approach to site identification has proven highly successful through comprehensive evaluation utilizing multiple screening criteria, comparative evaluation analyses, sensitivity analyses and ranking. Our extensive involvement with hazardous and non-hazardous waste landfill siting, permitting and closure has given us substantial regulatory agency coordination and negotiation experience resulting in successful issuance of permits.
Site Hydrogeologic Investigation Plans
We design site hydrogeologic investigation plans for state and federal regulatory agency approval, direction of field investigations and preparation of site hydrogeologic investigation reports. Services include:
- Construction and observation of monitoring wells
- Investigation by geophysical techniques
- Soil sampling
- Geotechnical analyses
- In situ permeability testing
Double-Composite Liner And Leachate Control Systems
Our double-composite liner and leachate control systems designs have included evaluations of alternate liner designs, leachate treatment systems, leachate treatability analyses, and remedial liner design review for a variety of waste types.
D&B staff have completed numerous assignments regarding the control and recovery of landfill gas, gas monitoring programs, ambient air quality and landfill gas analyses, passive and active methane gas collection and venting, gas flaring, methane recovery and power generation.
Our landfill closure services include:
- Site investigations
- Groundwater sampling
- Slope stability and settlement assessments
- Odor control, storm water management
- Odor abatement
- Cap design
- Wetlands restoration
The soundness of D&B’s landfill expertise is demonstrated by our clients’ typically prevailing in legal actions when projects have been opposed on numerous occasions. In many instances, challenges rely on efforts to discredit site selection, hydrogeologic investigation, environmental impact analyses and landfill design. Our staff is experienced as expert witnesses to support clients in withstanding such challenges.