Ecology Expert Witnesses

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.

Siegfried Guggenmoos, B.Sc.(Agr.), P.Ag., Principal of Ecological Solutions, Inc. is a Professional Agrologist, with over 30 years of experience in the electric/gas utility corridor vegetation management business.

Mr. Guggenmoos has designed, implemented and provides assessments of utility vegetation management programs. In evaluating the prudence of vegetation management programs Mr. Guggenmoos has developed methodologies to assess their efficacy by predicting the impact of vegetation management program as practiced, on the future costs and reliability of electric systems.

Areas of Consultation:

• Storm hardening electric transmission and distribution systems to quantitatively manage tree-caused service interruptions
• Advise and develop protocols for assessments of power line tree exposure and mitigation
• Advise on least cost vegetation management by synchronizing economics and ecology
• Advise on impacts of vegetation management program alternatives, modifications
• Provide context for vegetation management, greenhouse gas mitigation measures in a competitive energy market
• Facilitate for management, staff, contractors and stake holders an actionable understanding of ecological principles and their impacts on vegetation management needs and costs
• Provide project management; expert review of programs and proposals
• Develop and advise on quantification, monitoring and verification of biotic greenhouse gas mitigation measures

Dr. Dennis Stainken has over 30 years of Industrial and Government experience managing Pollution Control and Hazardous Waste Projects. His experience includes assignments in engineering, analytical and toxicology sciences for regulatory compliance, product registration, risk assessment, technology development.

Dr. Stainken is a national expert in Environmental Toxicology & Ecological Research on the transport, fate and effect of pollutants, and in quality assurance in government and industry.

Areas of Expertise:

Health Effects Toxicology Chemical Exposure Health Issues/Physiology/Chemistry Water & Waste Water Ecological Services Contamination & Remediation Analytical Chemistry

Natural Resource Damage Assessments Property Assessments Hazardous Waste Water Quality Risk Assessment Wetlands Industrial Services Gasoline & Oil Issues

John Booth, the Principal Consultant and Practice Director of Sylvanus Arboricultural Consultants Ltd., is a Chartered Aboricuturalist and Chartered Environmentalist and one of the UK’s most widely qualified Arboricultural Consultants. He has over 25 years experience in both the private and public sectors and has written numerous articles and papers for respected publications including the International Journal of Urban Forestry for which he is also a referee.

Mr. Booth and Sylvanus Ltd. are regularly instructed by both developers and Local Planning Authorities (LPA’s) who are keen to ensure a satisfactory outcome from the planning process, (i.e. an appropriate balance between tree retention and realizing a site's development potential). All such work is carried out in accordance with the guiding principles of British Standard 5837 ‘Trees in Relation to Construction – Recommendations.’

Mr. Booth is a Bond Solon/Cardiff University trained Expert Witness and a member of the Expert Witness Institute. He has many years experience in both courtroom and planning enquiries.

Services Include:

Tree Inspection & Survey - Single Tree, Large Population, Mortgage Lending, Safety and Subsidence Issues

Tree Preservation Orders (TPO's) and Conservation Areas - Detailed Specifications for Tree Work Applications for Trees with Statutory Protection

Trees and Development - Tree Surveys for Submission with Planning Applications
Tree Constraints Plans (TCP’s)
Tree Protection Plans (TPP’s)
Arboricultural Impact Assessments (AIA)
Arboricultural Method Statements (AMS)

Troast Environmental Consulting (TEC) specializes in Toxicolgy Risk and Exposure. Dr. Richard Troast former senior scientist in the Superfund program at EPA is the Principal for TEC. DR. Troast has qualified as a toxicology expert under both Daubert and Frye requirements and has appeared in Court to support litigation. In addition Dr.Troast has been deposed numerous times and has defended his reports.  DR. Troast's specialties include identifying lead risks from exposure to lead based paint and other potential sources. Risks from exposures to cadmium, arsenic, and other metallic products containing toxic metals. Risks to populations from releases of dioxins and other industrial chemicals released into the environment contaminating local surrounding areas, and  contaminants found/released from other hazardous wastes. Dr. Troast has worked as an independent toxicologist on single issue litigations and as an expert supporting major class action litigations.