Hazardous Materials Remedial Engineering Underground Storage Tanks Landfills and Impoundments Corrective Action Planning Site Closure Geotechnical Engineering Geology Hydrogeology and Water Resources Remedial Investigations and Feasibility Studies Environmental Geology Environmental Project Management Property Transfer Phased Site Assessments Regulations Permitting

Bonkowski & Associates, Inc. has investigated and designed landfill covers and impoundment monitoring wells to evaluate the integrity of the hazardous waste remediation containment system. Our hydrogeologists, geophysicists and soils engineers can provide assessments of these and similar hazardous materials containment systems for closure evaluation or permitting. These services include landfill gas monitoring, groundwater monitoring, vadose zone monitoring, chemical plume delineation or assessment. Bonkowski & Associates staff has provided these services to clients in the Bay area of California, the central San Joaquin Valley, Napa County, and Hawaii. Bonkowski & Associates, Inc. engineers and subcontractors have direct experience with hazardous materials containment facilities which have stored or leaked organic chemicals, metals, municipal wastes, agricultural wastes, and pesticides. We can also evaluate the stability and integrity of ground slopes in waste management areas, and have experience in the remediation of organic chemicals in fractured rock and landslides.