CYNTHIA A. DITTMAR
Email: cindy@bonkowski.com
Tel: 510.450.0770

EDUCATION
San Jose State University: M.S. Civil Engineering, Geotechnical emphasis, 1982
University of California, Berkeley: A.B. Geophysics, 1979

Professional Courses: Environmental Engineering, University of California, Berkeley; Hydrogeology, California State University at Hayward; Contaminant Fate and Transport; Remediation System Design; Hydrogeology; Engineering Geology; Groundwater Contaminants: Characterization & Remediation of Emerging & Recalcitrant Contaminants; Cone Penetration Testing for Environmental and Geotechnical Site Investigation; Project Management; Remediation/Clean-up of Soil and Groundwater Contamination; Assessment, Control and Remediation of LNAPL Contaminated Sites; Technician Loss Prevention Seminar; Title 29 CFR 1910.120 and Title 8 GISO 40-hour certification and annual 8-hour recertification

Ms. Dittmar is a Project Manager with Bonkowski & Associates, Inc. She joined the firm in 1994 after practicing at Earth Systems Consultants. Ms. Dittmar has over nineteen years professional experience, primarily dealing with the evaluation and remediation of contaminated soil and groundwater. Ms. Dittmar specializes in soil and groundwater investigation and remediation, groundwater contamination, risk assessment, dewatering and soil vapor remedial system design, Phase I and Phase II Environmental Site Assessments, remediation effectiveness evaluations, monitoring well network design, dewatering well network design, and environmental permitting. She has installed and tested water wells, conducted hydropunch and CPT field surveys, and installed multicased and shallow and deep aquifer wells. Ms. Dittmar has also worked on foundation designs for commercial and residential structures, retaining walls and earth supporting structures, and evaluated landfill integrity and containment dikes. She has conducted computer based stability studies of landslides; interpreted lab data to develop soil bearing and lateral pressures for retaining walls, and calculated expected settlements of foundation elements. Her clients have included the United States Department of Agriculture, Diamond Shamrock, Ultramar, US AIG, Contra Costa County Sanitary District, real estate developers, independent oil companies, dry cleaning establishments, and law firms.

REGISTRATION
California Registered Geologist, RG 7213
California Engineer-In-Training Certificate, XE072645

AFFILIATIONS
American Society of Civil Engineers

• Project Management
• Geotechnical and Remedial Engineering
• Environmental Geology
• Construction Management