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Groundwater Expert Witnesses

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Randy D. Horsak, PE
Environmental Forensics Expert
PO Box 941735
Houston TX 77094
USA
phone: 281-752-6700
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Randy D. Horsak, PE is a scientist and registered Professional Engineer with more than 40 years of experience in all phases of Environmental Science and Engineering. President of 3TM Consulting, LLC, Mr. Horsak provides consulting in the areas of environmental engineering, geology and hydrogeology, ecology, land use, human and ecological risk assessment, and remediation and decontamination.

Litigation Support - Mr. Horsak supports attorneys for both Plaintiff and Defense. His clients include industrial and commercial companies, attorneys, land owners and realtors, toxicologists and medical doctors, and other consultants.

Environmental Projects Including:
  • Air Pollution
  • Ambient Air Quality Testing
  • Noise
  • Soil and Sediment
  • Groundwater and Surface Water
  • Water Treatment and Purification
  • Contaminated Dust
  • Ecosystems
  • Sites and Facilities
    • Abandoned Sites
    • Hazardous Waste Management Facilities
    • Refineries and Chemical Plants
    • Fossil and Nuclear Power Plants
    • Geothermal Energy Plants
  • Manufacturing and Commercial Facilities
  • Pipelines
  • Power Transmission Lines
  • Oil and Gas Exploration and Production
  • Public and Private Properties
  • View Mr. Horsak's Consulting Profile.
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    Harold (Ed) von Dran, Jr., PE, CEM
    2627 Pebble Row
    San Antonio TX 78232
    USA
    phone: 210-930-2834
    Ed-Von-Dran-Environmental-Mechanical-Engineering-Expert-Photo.jpg
    Harold (Ed) E. von Dran Jr., PE, CEM, has over 39 years of experience in Environmental & Mechanical Engineering, Project Management, Government Acquisitions and Electronic System Repair.

    Background Experience - Mr. von Dran has extensive Program / Project Management experience in all facets of the Environmental Studies, Remedial Design, Cleanup, and Regulatory Compliance. His experience includes Mechanical Engineering, Industrial Hygiene, and Occupational Health & Safety.

    Mr. von Dran has prepared more than 1,000 Spill Prevention Control and Countermeasure plans, Environmental Assessments, Stormwater Pollution Prevention Plans, for oil and gas production and saltwater disposal units. He has also completed Naturally Occurring Radiological Material, sound and environmental studies, various permits and OSHA Health and Safety inspections for energy industry facilities.

    Litigation Support - A recognized expert, Mr. von Dran has been representing clients before the Texas Railroad Commission and Circuit courts since 2007. His experience includes both written and oral representations before administrative judges in numerous cases. Mr. von Dran's cases include:
    • Noise Pollution
    • Environmental Contamination from Runoff
  • Environmental Trespass
  • Facility Design and Condition Assessment
  • View Ed von Dran's Consulting Profile.
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    James A. Jacobs, PG, CHG, CPG
    229 Tewksbury Ave.
    Point Richmond California 94801
    USA
    phone: 510-590-1098
    fax: 510-232-2823
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    James A. Jacobs, PG, CHG, CPG, has over 30 years of experience as a Geologist / Hydrogeologist and licensed contractor focused on answering geologic, environmental impairment, and forensic questions. He is a certified hydrogeologist in California and Washington and a Professional Geologist in California and several other states.

    A Fulbright Senior Scholar with 4 awards in environmental engineering and science, his projects relate to collecting, describing, and analyzing Soil, Rock, Groundwater, Vapor, and Stormwater samples, summarizing the data and creating useful technical information and cost recovery statements for decision makers or settlements. His other projects relate to peer review and contractor evaluation projects.

    Mr. Jacobs has provided litigation services in the investigation and analysis of cases involving contamination by hydrocarbon and solvent spills and leaks, erosion, flooding, and related issues. He has provided testimony assisting with many settlement conferences. Mr. Jacobs is qualified to testify in municipal, state, and Federal courts.

    Litigation Support and Expert Witness:
    • Perform litigation and technical support for various environmental and engineering cases from evaluating remediation history to well damage to erosion control
    • Estimate reasonable and necessary remedial costs for settlement conferences
    • Serve as an objective peer reviewer
    • Expert witness testimony on environmental cases
    Since 2002, Mr. Jacobs has been an elected director of two public agencies, a local sewer district, and a community services district. As such he is interested in I&I issues and sewer gas and volatile contaminant vapor intrusion into indoor air spaces via ineffective vapor seals on fixtures or dry P-traps in buildings. He performs cost allocations for environmental litigation, and also provides oil and gas production verification.

    View James Jacobs' Consulting Profile.
    James A. Jacobs, et. al (eds.)
    Put together by a team of scientists, engineers, regulators, and lawyers, the Chromium(VI) Handbook consolidates the latest literature on this topic. The broad scope of this book fills the need for a comprehensive resource on chromium(VI), improving the knowledge of this contaminant at a time when the extent and degree of the problem is still being assessed. It addresses naturally occurring and anthropogenic sources, geology and geochemistry, toxicity, treatment, regulatory issues and legal cases, and recommendations.
    James A. Jacobs, et al
    Provides the tools needed to analyze and solve acid drainage problem. Featuring contributions from leading experts in science and engineering, this book explores the complex biogeochemistry of acid mine drainage, rock drainage, and acid sulfate soils. It describes how to predict, prevent, and remediate the environmental impact of acid drainage and the oxidation of sulfides, offering the latest sampling and analytical methods. Moreover, readers will discover new approaches for recovering valuable resources from acid mine drainage, including bioleaching.
    James A. Jacobs, et al
    The definitive guide to petroleum hydrocarbon fuel spill and leak causes, prevention, response, and cost recovery.It highlights the complex nature of petroleum hydrocarbon fuel extraction methods, the unintended consequences when disasters occur, spill behavior, and environmental impact mitigation. This practical resource discusses engineering techniques; long-term biological and environmental effects; dealing with insurance claims, litigation, and legislation in overlapping jurisdictions; and much more.
    James A. Jacobs, et. al (eds.)
    Written by an expert team of scientists, engineers, and toxicologists, MTBE: Effects on Soil and Ground-Water Resources provides complete in-depth coverage of the assessment and potential remediation strategies of methyl tertiary-butyl ether (MTBE).
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    Design, Analysis, Expert, Trial, Forensic Witness
    Counties of Westchester, Rockland, Queens, Putnam
    Dutchess, Orange, Ulster, Nassau, Suffolk, Bronx, Statin Island
    Richmond & Brooklyn / Kings County Long Island / NY City / Manhattan / White Plains
    Shrub Oak NY 10588
    USA
    phone: 914-245-6320
    fax: 914-245-6335
    Vincent A. Ettari, P.E., P.C. specializes in many fields of Civil, Structural, Site, Coastal, Safety & Environmental Engineering, including the Design & Analysis of:

  • Structures, Buildings, Houses, Dwellings
  • Foundations, Footings, Elevators, Retaining Walls, Dams
  • Development Plan & Plats for Sites, Properties, and Residences
  • Underground & Subsurface Chamber / Chambers
  • Scaffold, Scaffolds, Scaffolding
  • Site Plans & Subdivisions: Industrial, Commercial, Residential
  • Roads, Roadways, Ramps, Walks, & Man Hole Cover / Covers
  • Sidewalks, Walkways, Paths & Pathways
  • Lighting: Lamps, Lights, Lamp Poles, Light Levels
  • Luminaries & Illumination (Specifications)
  • Rock Cuts & Blasting (Topography, Specification)
  • Soil Slopes / Samples / Mechanics / Geotechnical Engineers
  • Sanitary Facilities, Septic Systems (Board of Health Septics Approval)
  • BOHA / DEP Approvals
  • Water, Drains, Drainage, Sewer & Sewage Lines & Mains
  • Culvert / Culverts, Manholes (Man Holes) & Catchbasins / Catch Basins
  • Inspection, Supervision, and Certification of Construction
  • House Inspector & Inspections
  • Road, Roadway, Walk & Sidewalk Premises Liability (e.g., Steep Slope)
  • Walkway, Path, Ramp & Pathway Premise Liability (e.g., Steep Grade)
  • Coefficient of Friction / Slip & Fall (Snowy & Icy Conditions)
  • Vertical Discontinuity / Discontinuities / Trip & Falls
  • Small Ports / Port, Marinas / Marina, Marine Dredging
  • Levees, Jetties, Dolphins, Piers, Sea & Flood Walls
  • Wharves, Breakwaters, Bulkheads, Weirs, & Revetments
  • Groins, Dikes and Waterfront Structures
  • Drainage Basin Analysis, Rainfall, Floods & Flood Plain / Plains
  • Flooding Controls & Control Devices
  • Storm Water Runoff (10, 25, 50 & 100 Year Storms)
  • Pressure & Pressures: Wind, Wave / Waves, Ice, Snow
  • Rain Fall Run Off & Storm Water Pollution Treatment
  • Excavation, Grading, Fills & Filling Operations (Swales, Berms, Silt Fence)
  • Erosion Control, Sediment Barriers, Sedimentation / Catch Basins (Hay Bales)
  • Pumps and Pump System Line & Main
  • Slope, Dam, Levee, Jetty, Dolphin, Pier, Wharf & Breakwater Collapse
  • Bulkhead, Weir, Revetment, Groin, Dike, Footing & Foundation Failures
  • Failure of Fire Containment Wall, Elevator or Water Front Structure
  • Tenement House Façade Collapses
  • Code History of Existing Multiple / Multi-Family Dwelling / Building
  • Application of Municipal Building, Fire & Property Maintenance Codes
  • City, Town & Village Zoning, Planning, Steep Slopes & Grades, Wetland & Wetlands Ordinances
  • Testimony at Board Meetings as a Design Forensics Engineer
  • 3/23/2009 · Engineering
    In many places of NYS, public water supply systems are available. If your site is situated in such a location, then the lots which will result from your contemplated subdivision will be required to draw their water supply from the municipal water system

    3/5/2009 · Construction
    As you enter into a contract to buy a piece of commercial or industrial property, you should always keep in mind that your new town and county have rules which you must abide by. With regard to the exterior areas of your premises, there are rules concerning your septic system, the maintenance of your building, the addition onto your structure, etc

    12/28/2006 · Construction
    In developing a vacant piece of land, steep slopes are often an issue. And, the more prevalent the steep slopes are on a site, the greater the likelihood that retaining walls will be part of the Approved Site Plan. Let us consider three municipalities which regulate the final allowable slopes for land which is filled, cut, or graded

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    David L. Mitchell
    Ph.D.
    P.O. Box 70
    Dayton TX 77535
    USA
    phone: 936-257-1633
    fax: 936-258-4237
    David MitchellGEO Associates provides litigation support services and expert witness testimony for civil and criminal investigations and insurance industry cases (both plaintiff and defendant) that involve Groundwater Pollution and Data Analysis, Forensic Geology and Geophysics, Hydrology Modeling, and Forensic Meteorology including Weather Event Re-Construction and Force Majeure cases. GEO Associates can assist attorneys and insurance claim professionals in obtaining, analyzing, modeling, and interpreting the correct geophysical/geological and meteorological data for their case.

    GEO Associates uses the latest approved Regulatory EPA and USGS numerical modeling software to map the concentration levels and transport of air and groundwater pollutants. GEO Associates numerical modeling expertise, combined with their advanced knowledge of meteorological, geophysical and geological data gathering and processing, provides strong support to the attorney and client for cases involving Air Pollution, Reduced Visibility, Severe Storms, Groundwater Contamination, Flooding, Wind Damage and Hazardous Material Spills and Releases to Air and/or Water, which result in accidents, contamination of aquifers, toxic air, property damage, personal injury and death.

    Services Include:
  • Forensic Geology
  • Industrial Groundwater Pollution
  • Toxic Tort Strategy
  • Environmental Surface and Groundwater Pollution
  • Mapping of Surface and Groundwater Contamination
  • Forensic Hydrology
  • Groundwater Computer Modeling
  • Aquifer Systems Analysis
  • Hazardous Spill Releases
  • Geological and Geophysical Data Acquisition, Processing and Analysis
  • Geological and Geophysical Mapping of Reservoirs
  • Observational Field Programs
  • Reflection and Refraction Seismology
  • Forensic Seismology
  • Seismic Investigations
  • Oil and Gas Operations and Operator Performance
  • Marine and Land Seismic Operations
  • Value Analysis of Proprietary Geophysical and Geological Data
  • 2D and 3D Reflection Seismology Modeling and Analysis
  • Fluid Dynamics and Reservoir Analysis
  • Toxic Fluid Migration
  • Class Action and Force Majeure Cases
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    Dr. Aaron Hilliard, PhD
    Principal
    10151 Deerwood Park Blvd.Building 200, Suite 250
    Jacksonville FL 32256
    USA
    phone: 904-923-3789
    Aaron-Hilliard-Health-Matters-logo.jpg
    Dr. Aaron Hilliard, PhD specializes in the areas of Environmental, Medical, Pharmaceutical, and Toxicological Sciences. Dr. Hilliard is an experienced forensic toxicologist with degrees in pharmacology, toxicology, and environmental health.

    Dr. Hilliard's services include conducting medical research and medical file review for personal injury that results from biological, chemical, environmental or pharmaceutical agents. He is also available to perform on-site inspections, sampling of nursing home, adult living facilities, medical and laboratory environments.

    Serving the legal community for over 15 years, Dr. Hilliard has worked with local, state and federal regulatory agencies and other entities on a national and international basis. His expertise spans the scope of environmental and infectious diseases involving food and water. This can include respiratory infections from environmental sources to hospital acquired infections such as Methicillin-Resistant Staphylococcus Aureus. Dr. Hilliard is available to attorneys for both Plaintiff and Defense. His areas of expertise include:

    Medical Matters Involving:
    • Pharmaceuticals
    • Alcohol
    • Adverse Drug Reaction
    • Medication Errors
    • Recreational Drugs
    Environmental Expertise Includes:
    • Public Health and Safety
    • Epidemiology
    • Sanitation
    • Toxic Chemical Exposure
    • Hazardous Waste Disposal
  • Groundwater Contamination
  • Environmental Justice
  • Superfund Site Risk Communication
  • Lead Exposure
  • Mold Exposure
  • View Dr. Aaron Hilliard's Consulting Profile.
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    Chuck Dutill, PE
    Expert Witness | Principal Consultant
    1240 West Chester Pike, Suite 213
    West Chester PA 19382
    USA
    phone: 610-701-5650
    Chuck-Dutill-Hydrology-Environmental-Engineering-Expert-Photo.jpg
    For over 35 years, Chuck Dutill, P.E., has been performing Hydrology and Environmental Engineering nationwide. He has focused on wastewater, stormwater, flooding, sewers, septic systems, groundwater, drainage, runoff, hydrology, hydraulics, backups, drinking water, and air quality.

    Litigation Support - Mr. Dutill has spent approximately 25% of his professional time providing expert witness services nationwide for over 35 years. About 50% of his expert witness services have been for defendants, with approximately 50% also for plaintiffs.

    He has issued more than 105 expert reports, been deposed approximately 30 to 35 times, and testified in court (including jury and non-jury trials) approximately 25 to 30 times. As indicated in feedback from attorneys on expert witness cases, some of his strengths include understandable guidance, responsiveness, timeliness, communication, effective report writing, strong testimony (including on cross), efficiency, organization, and assistance with framing case issues.

    Expertise:
    • Hydrology
    • Stormwater Management
    • Flooding
    • Drainage
    • Runoff
    • Sewer Systems
    • Sanitary Sewage
    • Wastewater Treatment
    • Septic Systems
    • Backups
    • Overflows
    • Surface Water
    • Groundwater
    • Hydrogeology
    • Erosion
    • Grading
    • Hydraulics
    • Floodplains
  • Piping Systems
  • Wells
  • Mold
  • Soils
  • Air Quality
  • Regulations
  • Combined Sewers
  • Detention
  • Maintenance
  • Inspections
  • Dams
  • Sinkholes
  • Hazardous Waste
  • Aquifers
  • Drinking Water
  • Hydraulic Fracturing
  • Health and Safety
  • Standard of Care
  • Toxicity
  • Contamination
  • Spills
  • Pollution
  • Remediation
  • Modeling
  • Storage
  • Sedimentation
  • Hydroplaning
  • Odors
  • Waste Management
  • Wetlands
  • Landfills
  • Water Quality
  • Monitoring
  • Storm Sewers
  • Infiltration/Inflow
  • CV Available Upon Request

    View Mr. Dutill's Consulting Profile.
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    Jenifer S. Heath, PhD
    PO BOX 371136
    Denver CO 80237
    USA
    phone: 303-726-9601
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    Helping clients understand the potential health effects of chemical exposures.

    Jenifer S. Heath, PhD, is a Toxicologist with over 25 years of experience in Toxicology Consulting and Human Health Risk Assessment. She is also a Registered Nurse, licensed to practice in several states.

    Litigation Support - Dr. Heath serves as a testifying or non-testifying witness on cases related to toxicology and human health risk assessment. She reviews case-related documents as well as the technical literature, provides input as to the strength of cases, prepares expert reports, responds to interrogatories, suggests questions to be posed to opposing witnesses, and testifies at deposition and trial. Dr. Heath's training in mediation and arbitration contributes to her ability to succeed in highly charged settings. She has testified at both bench and jury trials.

    Dr. Heath has managed and contributed to hundreds of risk assessments for contaminated sites under many regulatory programs (including state and federal Superfunds, RCRA, UST, and property transfers). She has worked in EPA Regions 1, 2, 4, 6, 7, 8, 9 and 10, and in most of the 50 states and has successfully presented results to regulatory agencies, jury members, and the public.



    Areas of Expertise:
    • Chemical Product Liability
    • Mining
    • Lead Poisoning
    • Hydrogen Sulfide
    • Health Impact Assessment (HIA)
    • Contaminated Properties
    • Environmental Regulatory Agency Negotiations
    • Toxic Chemical Exposure (metals, solvents, petroleum)
  • Superfund (CERCLA)
  • Pesticides
  • Animal Health Products
  • Mammalian Toxicology
  • Indoor Air
  • Surface / Groundwater
  • Asbestos
  • Explosives
  • View Dr. Heath's Consulting Profile.
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    Lorne G. Everett, PhD, DSc
    3700 State Street. Suite 350
    Santa Barbara CA 93105
    USA
    phone: 805-880-9301 (Direct) or 805-880-9300 (Office)
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    Lorne Everett Associates Expert Photo


    Lorne G. Everett, PhD, DSc, CGW, PH, PH-GW, BCES, HON.D.WRE, FASCE, FAWRA, FASTM, is an Environmental Consultant with over 40 years of experience in site characterization and remediation of Soils and Groundwater.

    Background - Dr. Everett served as the Chief Scientist at Haley & Aldrich, Shaw Environmental, ARCADIS, and Metcalf & Eddy Inc. He is a retired Professional Researcher (Level VII) in the Bren School of Environmental Science & Management at the University of California at Santa Barbara (UCSB) and Past Director of the Vadose Zone Monitoring Laboratory at UCSB. The University of California describes full professor Level VII as “reserved for scholars of great distinction.”

    Dr. Everett is an internationally recognized expert who has conducted extensive research on Subsurface Characterization and Remediation. He is Chairman of the ASTM Task Committee on Groundwater and Vadose Zone Monitoring. He also chaired the Remediation Session of the First USSR/USA Conference on Environmental Hydrogeology (Leningrad, 1990).

    Dr. Everett has received numerous awards, published over 150 technical papers and reports, holds several patents, developed 11 national ASTM Vadose Zone Monitoring standards and authored and edited over 10 books including: Vadose Zone Monitoring for Hazardous Waste Sites, and Subsurface Migration of Hazardous Waste. His book entitled, Groundwater Monitoring was endorsed by the Environmental Protection Agency (EPA) as establishing “the state-of-the-art used by industry today” and was recommended by the World Health Organization for all developing countries.

    Dr. Everett on Vapor Intrusion


    Litigation Support - Dr. Everett is an expert witness with an established track record in over 80 court cases involving over $2 billion dollars. He provides expert witness services for Toxic Tort Cases, when one or more parties allege health effects and/or property damage from chemicals released to the environment by another party, and Allocation Cases, in which two or more parties disagree over who caused a release to the environment and how much money each party should contribute toward to the cleanup.

    Areas of Expertise:
    • Vapor Intrusion
    • Class Action Lawsuit
    • Personal Injury
  • Toxic Tort
  • Remediation Cost Allocation
  • Property Devaluation
  • View Lorne Everett's Consulting Profile.
    8/3/2017 · Environment
    Starting in the 1940s, the synthetic chemical 1,2,3-TCP or 1,2,3-trichloropropane, was an ingredient in certain soil fumigants that were widely used on farms in California and other states. 1,2,3-TCP is a highly toxic chemical classified as a human carcinogen.

    Lorne G. Everett, PhD, et al
    This compilation of selected technical papers, contains peer-reviewed papers that were presented at a symposium sponsored by ASTM International Committee D18 on Soil and Rock and Subcommittee on Groundwater and Vadose Zone Investigations.
    Lorne G. Everett, PhD, et al
    The book covers subsurface water exchange between the land and sea as well as groundwater discharge to the seas. It also provides a review of experimental methods and numerical modeling that can be used for the evaluation of specific discharge data and the effect of groundwater on the salt balance of seas and oceans.
    Lorne G. Everett, PhD, et al
    This publication provides an international perspective on one of the most complex issues in hydrology: field and laboratory measurement of low permeability and dual porosity materials. Eleven peer-reviewed papers, written by an international group of experts, focus on the development of techniques to evaluate hydraulic conductivity and remediation of fine grained and dual porosity geologic materials.
    Lorne G. Everett, PhD, et al
    Compiled by experienced practitioners, this guide covers topics such as basic principles of vadose zone hydrology and prevalent monitoring techniques. Case studies present actual field experiences for the benefit of the reader. The Handbook provides practitioners with the information they need to fully understand the principles, advantages, and limitations of the monitoring techniques that are available.
    Lorne G. Everett, PhD
    This handbook contains specific information on the application of a widely accepted groundwater monitoring methodology, which has been applied to coal and oil shale development sites.
    Lorne G. Everett, PhD
    Guidelines and Methodology for Developing and Implementing a Groundwater Quality Monitoring Program
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    Philip T. Tringale, PhD, PE
    Environmental Engineering Consultant
    555 Montgomery Street, Suite 1300
    San Francisco CA USA
    phone: 510-874-7011
    Philip-tringale-enviromental-consultant-photo.jpg
    Philip T. Tringale, PhD, PE is a registered Professional Civil Engineer with over 25 years of Environmental Consulting experience. His site and redevelopment projects include commercial and industrial facilities, landfills, and cases requiring technical support for litigation.

    Dr. Tringale has directed numerous site assessments and remediation programs involving soil and groundwater contaminated primarily by organic solvents, metals, and petroleum products. He has particular expertise in site characterization and in the use of in-situ testing to evaluate soil properties. Dr. Tringale has provided final design for remedial actions that involve excavation, containment, bioremediation, vacuum extraction, monitoring, and groundwater treatment.

    Dr. Tringale has been providing litigation support services to the legal industry for over 20 years. He is available to attorneys for Plaintiff and Defense. Dr. Tringale has been retained approximately 15 times and has provided expert testimony in support of counsel for cases involving:
    • National Contingency Plan Compliance
    • Identification of Contaminant Sources
    • Magnitude and Extent of Contamination
    • Remedial Cost Estimates
    • Allocation of Cost and Responsibility
    View Philip Tringale's Consulting Profile.
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    Lon W. House, PhD, CEM, CSDP
    See Multiple Addresses Below
    AZ, CA USA
    phone: 530-676-8956 (Office) or 530-409-9702 (Cell)
    Water-and-Energy-Consulting-Logo.gif
    Lon House Water Energy Expert PhotoLon W. House, PhD, CEM, CSDP, is a Water and Energy Consultant with over 25 years of experience. Dr. House has a Bachelors, two Masters, and a PhD in Engineering and Economics from UC Davis. He is a Certified Energy Manager (CEM) and a Certified Sustainable Development Professional (CSDP) with the Association of Energy Engineers.

    Background Experience - Dr. House taught engineering in Graduate School at UC Davis for a number of years and was the Founder and Co-Director for Hydropower at the UCD Energy Institute. He worked for the California Energy Commission as a utility planner, and was the chief utility planner for the California Public Utilities Commission.

    Dr. House is the Association of California Water Agencies (ACWA) energy consultant, representing 500 water agencies which are responsible for over 90 percent of the water delivered in California. He is the California Rural Water Association (CRWA) energy adviser representing over 1,100 rural water systems in California. Dr. House also works for the California Public Utilities Commission as a water - energy expert witness on transmission issues, and for the California Energy Commission as a researcher in the water sector.

    Dr. House has been involved in over 50 successful renewable energy solicitations, everything from biogas to wind to solar to small hydro. He is responsible for training and installation of over 25 small hydroelectric projects along in the Thailand/Myanmar border area in SE Asia.

    Litigation Support - Lon W. House provides expert witness testimony, regulatory representation, economic evaluations, policy directives, and planning functions for selected clients. His clients include public agencies, trade organizations, regulatory agencies, and independent power producers. He has testified numerous times before the California Public Utilities Commission, California Energy Commission, California Power Authority, California Independent System Operator, California State Legislature, State Water Resources Control Board, the Federal Energy Regulatory Commission, and the United States Senate.

    Areas of Expertise:
    • Water Resources
    • Energy Generation
    • Renewable Energy Sources
    • Hydroelectric / Hydropower
    • Water / Energy Due Diligence
    • Rural Water Systems
  • Contract Management
  • Water / Energy Pricing
  • Water / Energy Procurement
  • Utilities Valuation
  • Regulatory Representation
  • Wastewater Systems
  • California Office
    2795 East Bidwell Street
    Suite 100-176
    Folsom, CA, 95630
    Arizona Office
    10645 N. Oracle Road
    Suite 121 - 216
    Oro Valley, AZ, 95735


    View Lon House's Consulting Profile.
    Recent changes in the utilities in California, particularly the surplus of solar generated electricity during the afternoon periods, is causing the utilities in the state to request significant changes in their long established Time-of-Use (TOU) periods. The utilities are proposing changing the on-peak TOU period from the long standing afternoon period in the summer to the evening hours and, in many cases, extending the on-peak from the summer season to year around (see Table 1).

    Water in the U.S. is a huge energy user. Approximately 4 perecent of all electricity consumed in the U.S. is used to deliver water and treat wastewater, more than is consumed by the pulp, paper, and petroleum industries. In California water related energy use consumes 19 percent of the state's electricity, 30 percent of its natural gas, and 88 billion gallons of diesel fuel every year. And it is only going to get worse, a lot worse, as the water community struggles to find adequate supplies of water to satisfy a growing population, tries to find ways to treat water to remove ever increasingly miniscule amounts of known pollutants, and tries to cope with a bewildering array of newly identified contaminants.

    This article provides a brief comparison of the public sector vs. private sector in terms of characteristics, applicable incentives, and decision- making criteria for participating in new, untried endeavors like demand-side programs, using water agencies in California as the public sector example. Recommendations on characteristics of utility demandside programs likely to be attractive to public agencies are provided.

    Water utilities are facing a number of issues: droughts and climatic variations in water supply, rapidly rising operating costs, demands for increasingly expensive investments in treatment for fresh water and wastewater, heightened customer expectations in both service and environmental impacts, and the need to replace aging infrastructure. This has spurred interest among water suppliers in managing water demand, capturing all revenue, minimizing distribution system and customer water losses, and increasing customer support and information. A change in their metering systems is one of the primary tools to do this.

    11/30/2016 · Energy - Utilities
    Smart meters have been prominent in the energy utility world, and are beginning to make substantial inroads in the water utility world. Smart meters are probably more useful for the water sector than for the energy sector, and the old days of billing total water consumption during the last month or two is being phased out with the introduction of time-of-use water consumption information. Smart meter installations have reported numerous benefits, both operational and on the customer side (see Table 1). Aside from the obvious savings from reduced need for onsite meter reading, the ability to identify not just the volume of water consumption but also the timing of that consumption has significant benefits, particularly to customers, and may be a linchpin for enhanced water conservation efforts.

    10/25/2016 · Energy - Utilities
    One of the state of California's largest end uses of electricity is in the treatment, heating and cooling, and conveyance of water. In 2005, the California Energy Commission estimated that water-related energy accounts for almost 20% of the state's electricity requirements. The California Public Utilities Commission (CPUC) followed this observation by authorizing water-energy pilot projects designed to validate claims that saving water can save energy and explore whether energy savings may be realized through water conservation measures and incorporated into electric utility energy efficiency programs (http://www.cpuc.ca.gov/PUC/energy/Energy+Efficiency/Water+Energy+Nexus+Programs.htm).

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    Maxim Engineering
    Derek J. Franken
    8005 Royal Gardens Place
    El Cajon CA 92021
    USA
    phone: 619-990-4245
    fax: 619-334-1880
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    Derek J. Franken is general engineering contractor with over 35 years’ experience specializing in Wet Utilities. Mr. Franken has managed a staff of more than 250 employees with yearly project volumes ranging from $60-$100 million, including the successful completion of a single $25 million project under his supervision. His expertise includes all aspects of full service site utilities including all work incidental to the trade. Mr. Franken also has extensive knowledge with agency construction standards such as the City of San Diego, County of San Diego, County of Riverside, etc., and greenbook specifications.

    Mr. Franken has project managed all phases of construction from pre-bid job walks through final completion, managed multiple field operations, coordinated up to 40 subcontractors on a single project, conducted project planning meetings with public and private entities including owners, developers, inspectors and subcontractors. His trade experience includes underground repairs, fire services, sewer lines, water lines, paving and concrete work for trench repair, backflow preventers, manholes, storm drain lines and storm drain structures with old and new construction pipelines, pump stations and lift stations.

    He has worked with local attorneys consulting on various cases specializing in construction litigations to resolve claims and disputes by providing depositions, hazard analysis, construction defects, discovery for mediation and claims, and expert opinion. Mr. Franken takes a fair, informative and investigative approach in such disputes. A key association was a forensic investigation for a multi-million dollar case involving methane gas in homes. In the past 35+ years, Mr. Franken has completed several private and public works projects from Imperial Valley to Yuma to Riverside County, some of which had unique problems resulting in lawsuits. In the last 10 years, Mr. Franken has been at the forefront of every issue facing the largest wet utility contractor in San Diego County with pipeline issues, pump stations, paving, concrete structures, boring and tunneling.

    Mr. Franken can provide expert witness services for Construction Industry Standard Practices, standards of care, safety issues, construction defects, contract disputes, etc. with onsite review, written reports, depositions, mediation, and trial testimony, if needed, locally and nationwide. He is able to communicate complex issues in a clear, detailed and effective manner.

    View Derek Franken's Consulting Profile.
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    Shlomo Orr, Ph.D., P.Eng
    Hydrology / Water Resources Consultant
    5900 W 25th Ave.
    Kennewick WA 99338
    USA
    phone: 509-736-3111
    Orr-Associates-Logo.jpg
    Shlomo Orr Hydrology Water Resources Expert PhotoPresident and CEO, Shlomo Orr, Ph.D., P.Eng, has over 33 years of extensive consulting, research, and project management experience in the field of Hydrogeology and Water Resources. He earned a PhD in Hydrology and Water Resources with a minor in Soil and Water Sciences, and BSc and MSc in Civil Engineering.

    Dr. Orr's background includes modeling, planning, and controlling complex subsurface flow and transport phenomena. He has a broad background in conceptual and computational-numerical modeling of fluid flow and solute transport in saturated and unsaturated porous and fractured formations, including stochastic models that account for uncertainties and provide the basis for risk assessment.

    Dr. Orr has taught undergraduate and graduate courses in Groundwater Hydrology, Hydraulic Engineering, and Geostatistics, and advised MS and PhD students (as an Assistant Professor in Civil Engineering, and thereafter). He also taught a course on fluid dynamics in heterogeneous heaps for the Society of Mining Engineering (SME). He has solved some of the most complex problems in his field; has innovated substantially, and has published his advanced works on modeling and optimization in top journals, while serving as a peer reviewer, himself. His toolbox spans from simple analytical models to most detailed, complex, numerical, stochastic 3D models, as well as advanced machine learning models. Dr. Orr has been a reviewer of major books and top journals in hydrology and water resources, and has served in a special committee of SPE (Society of Petroleum Engineers) on Advanced Analytics. He was advising top scientists at the University of Saskatchewan on approaches to Integrated Nuclear Environmental Research and Training (INERT), and he has been serving as a Technical Advisor for SoilVision Systems (an advanced geo-software company). He has done breakthrough modeling work and evaluations of risk assessment models for the NRC (Nuclear Regulatory Commission).

    Litigation Support - Dr. Orr provides expert witness services for cases involving Hydrology, Water Resources, and Environmental Risk. He served as an expert reviewer on advisory boards of the US Army, Air Force, and Navy, on environmental projects. On the other side of the fence, he has conducted major environmental permit applications/investigations for special complex mining operations.

    Dr. Orr's services are available to counsel representing plaintiff and defendant and include site review, written reports, depositions, and trial testimony as needed.

    Areas of Expertise:
  • Hydrogeology & Geohydrology
  • Groundwater Contamination
  • Subsurface Flow & Transport Modeling
  • Aquifer Remediation
  • Soils and vadose zone hydrology
  • Oil and Gas (multiphase flow)
  • Petroleum Hydrocarbons
  • NAPL and DNAPL
  • VOC transport
  • Acid Mine Drainage
  • Seepage
  • Drainage
  • Wellhead Protection
  • Soil Vapor Intrusion
  • Dewatering / Depressurization
  • Landfill Monitoring
  • Geostatistics and stochastic modeling
  • Monte Carlo Simulations
  • Risk-Assessment
  • Geothermal, Fracking, and Waste Injection


  • View Dr. Orr's Consulting Profile.
    6/26/2017 · Hydrology
    This report is the third (and final) report in a series that addresses issues related to hydrologic uncertainty assessment at decommissioning sites. Analyses in the first two reports in this series emphasized the application of relatively simplified models of subsurface flow and transport. Because of their relative computational speed, such simplified models are particularly attractive when the impact of uncertainty in flow and transport needs to be evaluated. These same simplifications, however, have the potential to provide unrepresentative estimates of dose and its uncertainty. Such misrepresentation may have important consequences for decisions based on the dose assessments. The significance of this concern was evaluated by comparing results from uncertainty assessments conducted on a test case using a simplified modeling approach and a more complex/ realistic modeling approach.

    5/9/2017 · Hydrology
    Flow in heaps and dumps is essentially a two-phase flow phenomenon, though for many applications it could be simplified as unsaturated flow. Unlike saturated flow (typical of groundwater flow) where permeability is independent of other hydraulic parameters, unsaturated flow permeability depends on the degree of saturation and/or on capillary pressure. Several recent field studies suggest that flows in heaps and dumps tend to concentrate in preferred pathways, bypassing much of the ore. Different preferential flow phenomena are triggered, promoted, and influenced by different heap structures, by pretreatment, by the composition of the leach solution, and by application rates and schedules. The structure of heaps and dumps is determined and affected by each and every stage of their construction - from blasting to crushing to conveying and stacking of the material.

    5/8/2017 · Hydrology
    In our 1st article (Orr, 2000), we investigated different flow and transport phenomena that could significantly reduce leaching recovery. The combination of such understanding with advanced flow and transport modeling establishes the link between cause and effect, thereby directing operators to optimal design and construction of new heaps. Modeling of flow and transport in heaps could also point to a unique change in application method or rate that would maximize leaching enhancement of an existing heap under existing situation and leaching history. The use of such a model is cost effective in that it can simulate multiple scenarios of alternative leaching enhancement methods. By simulating a large number of irrigation scenarios, such a model can point to optimal and/or most promising alternatives for a particular heap.

    2/8/2017 · Hydrology
    Despite remarkable new developments in stochastic hydrology and adaptations of advanced methods from operations research, stochastic control, and artificial intelligence, solutions of complex real-world problems in hydrogeology have been quite limited. The main reason is the ultimate reliance on first-principle models that lead to complex, distributed-parameter partial differential equations (PDE) on a given scale. While the addition of uncertainty, and hence, stochasticity or randomness has increased insight and highlighted important relationships between uncertainty, reliability, risk, and their effect on the cost function, it has also (a) introduced additional complexity that results in prohibitive computer power even for just a single uncertain/random parameter; and (b) led to the recognition in our inability to assess the full uncertainty even when including all uncertain parameters.