WHAT DOES OUR LOGO MEAN?  The HSW logo was developed to reflect our core service area in earth sciences and environmental engineering. Much of our project work in these areas involves a thorough understanding of the occurrence and movement, and physical and chemical properties of life-sustaining water. The logo is an abstraction of the water cycle showing water, represented by the droplet and teal-colored bars as it exists in the atmosphere, on the surface, and in the subsurface of the earth, represented by the gray bars. The HSW name in gray under the water cycle reflects the solid foundation that our technical and professional disciplines provide to support this service area.
A BRIEF SUMMARY ABOUT THE FIRM: Incorporated in the State of Florida, with offices located in Tampa, Orlando, Deland, Sarasota and Gainesville, Florida; and Detroit, Michigan. HSW was founded in 1988 by three professionals with experience in earth science, environmental, and engineering disciplines. Staff members have backgrounds in engineering (chemical, civil, environmental, electrical, mechanical, structural and mining), geology, hydrogeology, soil physics, hydrology, hydrologic (groundwater and surface water) and solute transport modeling, chemistry, toxicology, GIS and mapping. All professional and technical staff members, including the principals, maintain focus on their areas of practice and client relationships. More than 72% of our professional staff have advanced degrees and 78% have 10 years or more of experience. HSW BROCHURES / SLICKS:
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Firm Overview
SENIOR STAFF: Ken W. Watson, Ph.D.
President/Principal Hydrologist
kwatson@hsweng.com As a Principal Hydrologist, Dr. Watson is the officer in charge of contamination assessments of industrial facilities, water resource investigations, numerous underground storage tank projects, and groundwater studies. He is involved with unsaturated zone studies of wetlands. He is also involved in specific investigations dealing with establishing minimum flows and levels in water bodies in west-central Florida. Dr. Watson is continually called upon to provide quantitative expertise with respect to groundwater and unsaturated zone hydrology, and the transport of contaminants in the subsurface. As President of HSW, he is in charge of corporate technical development.
Fred A. Seguiti, P.G.
Vice President/Principal Hydrogeologist
fseguiti@hsweng.com Mr. Seguiti manages projects involving site assessment and remediation. He has worked at more than 300 project sites throughout the Southeast and Puerto Rico including retail service stations, pipeline facilities, bulk storage terminals, transportation distribution centers, refineries, manufacturing facilities, DOD installations, solid waste landfills and public works facilities. The types of materials investigated include both lighter (gasoline, diesel fuel, kerosene, jet fuel, aviation gasoline, mineral spirits, stoddard solvent, motor oil, hydraulic oil, and Bunker C oil) and heavier than water organic chemicals (chlorinated organic solvents), pesticides, PCBs, and inorganic compounds. Mr. Seguiti has utilized innovative and cost saving techniques during both assessment and remediation including: soil gas surveys, environmental media sampling using direct push technology coupled with field analysis for real time site assessment, bioremediation strategies using bioaugmentation and natural attenuation/monitoring approaches, risk assessment, intensive limited scope and short term source removal, multiple well, recovery trench and horizontal well schemes for capturing impacted groundwater, dual-phase extraction wells, insitu air sparging and soil vacuum extraction. He also has experience in brownfields.
Carol D. Henry, M.S.
Vice President/Principal Hydrologist
chenry@hsweng.com As a Vice President/Principal Hydrologist, Ms. Henry provides expertise on virtually all aspects of environmental compliance and cleanup, including hazardous waste determinations, assessment and remediation of regulated units and solid waste management units (SWMUs), closure and post-closure care permitting, and negotiating resolution to complex regulatory issues at both permitted and non-permitted facilities. Ms. Henry provides meeting facilitation services to develop consensus relating to permitting and other environmental compliance issues. In this capacity, Ms. Henry assists both private and public RCRA facilities in developing efficient and cost-effective solutions to regulatory compliance while maintaining appropriate environmental stewardship. She has developed many streamlined approaches to regulatory permitting and reporting that have resulted in substantial cost savings and improved environmental protection and remediation. These innovative approaches have been embraced by the U.S. Environmental Protection Agency (EPA), Department of Transportation, NASA, DOE, DoD, and other agencies.
C. Dennis Peek, P.E.
Vice President/Principal Engineer
cdpeek@hsweng.com As a Vice President/Principal Engineer, Mr. Peek has extensive experience in major project management, treatment system design, construction, and operation and maintenance, hazardous waste, and groundwater recovery. His extensive experience in project management includes cost estimation, cost comparison, and value engineering, as well as selection, management, coordination, and scheduling of multi-disciplined technical and construction teams, and also cost tracking and financial projections for long term operating and monitoring requirements. He has working knowledge of federal and state regulations and permitting requirements. Mr. Peek has successfully served as project manager or officer, responsible for project QC/QA and execution, on numerous other projects ranging from site investigations to treatment system construction. This work included RCRA work as well as CERCLA work. He has provided permitting, oversight and closure certification at numerous RCRA TSD facilities including the DOE Pinellas Plant.
Andrew M. Lawn, P.G.
Associate/Senior Hydrogeologist
alawn@hsweng.com Mr. Lawn manages HSW's Orlando branch office. His responsibilities include management of complex hydrogeologic projects such as contamination assessment investigations and remediation at sites affected by County, State, and Federal regulations, data evaluation, site monitoring, remediation system design, permit and work plan negotiations with regulatory agencies, and evaluation of remediation system effectiveness. He regularly presents due diligence strategies and Brownfield site redevelopment topics at the Florida Chamber and Brownfield Association Conferences.
Joel Balmat
Senior Technical Consultant
jbalmat@hsweng.com Mr. Balmat has over twenty years of progressive experience as an environmental manager and consultant with broad knowledge of environmental project management, site restoration, permitting, and regulatory compliance. He has eleven years of consulting operations management experience, including senior technical direction, staff management, quality control, report preparation, client communication, coordination with regulatory agencies, and budget and schedule control. Mr. Balmat also has eleven years' experience as a technical project manager and supervisor for the U.S. EPA, directing hazardous waste site responses, permitting, and compliance/enforcement activities.
Don Carpenter, Ph.D.
Senior Technical Consultant
carpenter@Itu.edu Dr. Donald Carpenter, in addition to being a Senior Technical Consultant with HSW, is currently an Associate Professor of civil engineering and Director of the Hydraulics and Hydrology Laboratory at Lawrence Technological University, in Southfield, MI. In his capacity as an instructor, he teaches numerous water resources courses including Hydrology, Urban Hydraulics, Hydraulic Engineering, River Engineering and Restoration, and Coastal Engineering. In these courses he covers topics such as conceptual design of stormwater treatment facilities and pipe networks, innovative stormwater best management practices (BMPs), wet detention basin and stormwater treatment wetland design, hydrologic and stormwater modeling, field data collection for hydraulic projects, and performance monitoring of stormwater facilities. In addition, he directs research on innovative stormwater best management practices (BMPs) with current projects including bioretention planting medium performance, rain garden design, green roof performance, and structural stormwater chamber compliance with local standards.
Robert E. Bretnall, P.G.
Senior Hydrogeologist
bbretnall@hsweng.com Mr. Bretnall is a hydrogeologist with over 20 years of direct experience in planning and managing complex environmental projects and investigations. He has been recognized for superior job performance in conducting multi-phase investigations and assessments, auditing/evaluating site conditions, analyzing and interpreting data, and preparing reports and remedial plans. Mr. Bretnall has demonstrated expertise in contract management, tracking multiple projects, budgeting, quality control, technical report preparation, compliance with state and federal regulations, and staff training and supervision.
Scott H. Emery, Ph.D.
Senior Technical Consultant/Ecologist
ehi@prodigy.net Dr. Emery's water resources experience spans 29 years of professional experience (11 states, 3 countries) in both the public and private sectors. His primary areas of technical expertise are in: minimizing impacts from water resource development projects; assessing impacts from water withdrawal on lakes/streams/wetlands (including the development of methods for determining MFLs); resource management and policy development for local and regional governments; water supply development, treatment, and testing; applied ecology and ecological risk assessments. He has won awards for his professional facilitation services, undertaken for a variety of water resource and habitat issues. Dr. Emery has successfully completed multiple projects for three different water management districts, including Peer Reviews for different MFL issues. He has a research professorship at the University of South Florida, where he heads a multi-year MFL - related study for the Southwest Florida Water Management District. He has been a Board of Directors member for the Institute for Environmental Studies at USF since 1993. Dr. Emery was the Director of Resource Management for one of the largest water supply utilities in the state, in charge of all water supply development, operations, treatment and testing. He is qualified as an expert witness, and has successfully obtained large water use permits for public supply and agriculture.
William Lais, P.E.
Senior Engineer
wlais@hsweng.com Mr. Lais served as Engineer in Charge for over forty-five remedial action sites in Florida. Engineer in charge responsibilities include certification of remedial action plans, feasibility studies, operation and maintenance reports, natural attenuation monitoring plans and reports, post-active remediation monitoring reports, and site rehabilitation closure reports. He has eleven years experience in the evaluation and selection of remedial action cleanup strategies and the selection and design of remedial action equipment. Mr. Lais possesses an extensive knowledge of the electronic controls used in typical environmental treatment systems and possesses the resources and experience necessary to troubleshoot failed or under-performing systems.
Linda Hoffman
Senior Engineer
lhoffman@hsweng.com Ms. Hoffman has performed field audits pursuant to EPA and FDEP Standard Operating Procedures, water management district sampling quality assurance (QA) plans, and projects with site-specific field protocols for several years. In fact, she performed QA oversight and auditing of field activities (sediment, soil, surface water, and groundwater sampling; and monitor well installation) for a multi-billion dollar land transfer. She has also performed numerous audits of environmental laboratories. Ms. Hoffman's experience includes QA oversight of field activities and analytical data, site assessment and remediation, regulatory compliance, and operations, maintenance, and process control of treatment systems. She has developed and presented training curriculum for environmental monitoring and sampling, hazardous waste handling, and water and wastewater treatment plant operators.
Cindy L. Westergard
Senior Scientist
cwestergard@hsweng.com Ms. Westergard, a senior chemist, has served in a quality assurance/quality control (QA/QC) capacity for over 15 years in the environmental field for over 20 years. As corporate QA Officer at HSW, she is responsible for the generation of quality assurance plans, validation of field and analytical data, data analysis and management, generation and updating of HSW's Quality Manual, auditing of environmental laboratories and negotiation of laboratory contracts. Ms. Westergard has worked in fixed-based analytical laboratories and has served as the on-site chemist in over 100 field investigations requiring real-time analyses of environmental samples by EPA-based methods. She has been responsible for designing and maintaining several large, Microsoft Access-based databases and is experienced with other relational database management and analysis software such as SAS and SPSS. Ms. Westergard performs independent third-party data validation and generates quality assessment reports, including Quality Control Summary Reports (QCSRs) and Chemical Quality Assessment Reports (CQARs) meeting USACE requirements. Serving these clients requires that Ms. Westergard and other members of HSW's QA Team multi-task and meet overlapping deadlines. HSW and Ms. Westergard strongly believe that on-time delivery is as important a component of a quality product as the product itself, and that an essential part of quality assurance is acting in a proactive manner such that quality issues are minimized or precluded altogether.
Dean Mades, P.E.
Senior Hydrologist
dmades@hsweng.com Mr. Mades heads up our Sarasota office. He is a Senior Hydrologist with experience in surface and groundwater hydrology, hydraulics, computer modeling and GIS. He has also provided expert testimony and rule development. Mr. Mades works in environmental, water use and stormwater permitting, system analysis and operations research. He does hydrologic and water quality monitoring, data management and statistical analysis.
Steve Tsangarinos, P.E.
Engineer/Senior Technical Consultant
stsangarinos@hsweng.com Mr. Tsangarinos has 25 years of experience in site planning and design, transportation roadway design, utilities relocation, FDOT JPA design, stormwater management, water management, and agency permitting, as well as planning, design and construction administration of a wide variety of private, transportation and public works projects. His experience includes drainage, roadway design, sanitary sewer design, force main/lift station design, stormwater hydraulic and hydrologic analysis, water and reuse water transmission and distribution systems as well as drainage and utilities master planning. Mr. Tsangarinos performs design, fabrication and construction oversight, air sparging and bio-sparging. He is experienced in multi-phase extraction, assessment and remediation of impacted land and bio-augmentation. Mr. Tsangarinos has handled operation and maintenance in multiple engineering disciplines, and site restoration using a variety of technologies throughout the eastern United States.
Stuart Artman, P.E.
Senior Technical Consultant
sartman@hsweng.com Mr. Artman has 17 years experience as a principal engineer and project manager. His areas of expertise include project management; site planning management, design, & permitting; park & streetscape design; utilities design & permitting; stormwater management, design, & permitting; and, city, county, SFWMD, FDEP, and HCEPC development, drainage, & environmental permitting. Mr. Artman serves as Colonel in the Army Reserves since his commissioning in 1979.
Derek Huston, P.E.
Senior Environmental Engineer
dhuston@hsweng.com Mr. Huston is a Senior Environmental Engineer for HSW's Orlando Office with over 10 years of experience. He is skilled in the areas of project management; cost accounting; quality assurance/quality control supervision; soil and groundwater assessment, environmental remediation design (air sparge, multiphase extraction, chemical oxidation, bioremediation, etc.), remediation construction, operation and maintenance, and site closure.
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