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Featured
James M. Miller, PE, PhD
Founder
2392 Fuller Court
Ann Arbor MI 48105
USA
phone: 734-662-6822
fax: 734-747-9712
Miller-Engineering-Logo.jpg
The experts at Miller Engineering are Ann Arbor based professional engineers celebrating 35 years of service to University, Government, Insurance, and Industry through research, publications, presentations, and testimony. Miller Engineering has a staff of engineers and experts in the Mechanical, Chemical, Agriculture, Industrial, and Human Factors fields of engineering with specific knowledge in the following areas:

Vehicles
  • Car/Truck Accident Reconstruction
  • Crash Data Retrieval (CDR)
  • Visibility & Reaction Time Analysis
  • Tires, Trailers, Brakes & Accelerators
  • Truck/Off Road Vehicle Egress/Ingress
  • Traffic Signing and Construction Zones
Mechanical & Electrical Safety
  • Product Safety & Analysis
  • Machinery - Metal, Wood, Plastic Molding
  • Machine Guarding & Safety, Robots, Automation
  • Hazard and Risk Analysis
  • Employee Safety Procedures – OSHA
  • Electrical Distribution & Transmission Hazards
Warnings & Instructions
  • Warning Labels & User Manual Design
  • Hazard Analysis & Product Label Designs
  • Medical Device & Drug Warnings & Instructions
  • Inadequate Warnings Analysis
  • Standard Compliance (ANSI Z535)
  • Product Recall Information & Strategies
Chemicals Safety & Labeling
  • NEW OSHA HAZCOM (2012) & GHS Review
  • MSDS, SDS and Product Label Compliance
  • Toxic Torts - Diacetyl, Asbestos, Benzene, Lead, Carbon Monoxide
Chemical Exposures & Workplace Safety
  • Chemical Inhalation, Ingestion, Dermal Contact
  • Contamination - Water & Environmental
  • Manufacturing & Process Line Accidents
  • Slips, Trips, Falls, & Entanglements
Fires & Explosions
  • Cause & Origin Investigations
  • Gas, Vapor, & Electrical
Agriculture
  • Tractor & Equipment Accidents
  • Chemical Applications & Exposures
  • Crop Storage & Harvesting Accidents
  • Pesticides
Construction
  • Vehicle Visibility Accidents
  • Slip, Trip, & Fall Accidents
  • Power Tool Repetitive & Immediate Injuries
  • Scaffolding - Cranes - Hoisting - Fork Lifts
Consumers/Household Safety
  • Appliances & Tools
  • Child Furniture, Choking, Playgrounds
  • Swimming Pools & Exercise Equipment
  • Recreation - ATV, Boats, Bicycles, Boards
  • Ladder, Stair, Step and Railing Accidents
  • Slip, Trip, & Fall Accidents
Insurance Subrogation & Forensics
  • Accident Investigations
  • Electrical & Fire Causation
  • Chemical Leakage Damage
  • Defective Equipment Injuries
  • Premise and Process Damages
James Miller Mechanical Engineering Expert PhotoJames M. Miller, PE, PhD – Founder

Dr. Miller is an Emeritus Professor at the University of Michigan College of Engineering and a registered professional engineer and consultant with over 35 years of experience as an expert witness. He specializes in warnings, labeling and instruction manuals, consumer product design, machine guarding, process safety, fire science, vehicle visibility, tractor egress/ingress, pedestrian and worker slip and fall prevention, recreational vehicles (ATVs, boats, and personal watercraft), compliance with occupational safety and consumer safety standards (OSHA, MSDS, CPSC, ANSI, ASTM, UL, etc.).


Mark Lehto Engineering Expert PhotoMark R. Lehto, PhD – Co-Founder

Dr. Lehto is a Professor of Engineering at Purdue University. He specializes in knowledge engineering, warnings and instructions, structuring expert systems, accident modeling, accident statistical analysis, consumer product safety, boating safety, in-field national surveys of product usage and product information effectiveness.






Bradley Cook Mechanical Engineering Expert PhotoBradley T. Cook, PE – Managing Engineer

Bradley is a registered professional engineer and consultant with extensive experience in accident reconstruction. He specializes in vehicular accident reconstruction and has investigated hundreds of vehicle accidents involving cars, trucks, pedestrians, bicyclists, motorcycles, etc. Bradley also has experience in product safety and hazard analysis; occupational safety and health (OSHA) compliance; pedestrian and worker slip and fall prevention; investigation and reconstruction of industrial and consumer product accidents. He holds a Bachelor of Science in Mechanical Engineering from the University of Michigan and a Masters of Science in Engineering with a Biomedical concentration from Purdue University.
Mark R. Lehto & Steven J. Landry
Introduction to Human Factors and Ergonomics for Engineers, Second Edition presents and integrates important methods and tools used in the fields of Industrial Engineering, Human Factors and Ergonomics to design and improve jobs, tasks and products. It presents these topics with a practical, applied orientation suitable for engineering undergraduate students.
Mark R. Lehto, Steven J. Landry & Jim Buck
Emphasizing customer oriented design and operation, Introduction to Human Factors and Ergonomics for Engineers explores the behavioral, physical, and mathematical foundations of the discipline and how to apply them to improve the human, societal, and economic well being of systems and organizations.
Mark R. Lehto & James M. Miller
James M. Miller, Mark R. Lehto & J. Paul Frantz
James M. Miller, Mark R. Lehto
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Featured
4184 Johnston Road
Winston GA 30187
USA
phone: 770-359-9807 (office) and 770-359-980 (cell)
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Ted Simon Environemntal Toxicology Expert PhotoTed W. Simon, PhD, DABT, is an award winning Environmental Toxicologist and Scientist. His expertise is in toxicology, risk assessment, mathematical modeling, statistics, neuroscience, and environmental / ecological health issues.

Dr. Simon has over 10 years of experience as a toxicologist employed by the Environmental Protection Agency (EPA). He served as EPA’s senior toxicologist in the waste management division working on risk and soil cleanup.

Teaching Experience - Since 2001, Dr. Simon has served as an Instructor / Adjunct Professor in the Department of Environmental Health Science, College of Public Health, at the University of Georgia.

Public Speaker - Well published, including the author of a textbook on toxicology and environmental risk assessment, Dr. Simon has extensive national and international public speaking experience. Since 1996, he has been delivering seminars and lectures to universities and national institutes on many subjects within his area of expertise. In 2016, he delivered a lectures on “Bayesian Methods for Application of Uncertainty Factors,” to the Society of Toxicology Annual Meeting, New Orleans, LA, and “Quantitative Prediction of Phenotypic Change from High Throughput Assay Results,” to the EPA's Workshop on In Vitro to In Vivo Extrapolation, Research Triangle Park, NC.

Litigation Support - Dr. Simon has over 15 years of experience offering expert witness services to counsel representing both plaintiff and defendant. He has been retained over 20 times since 2000 for cases involving environmental risk, drug and alcohol cases, DUI, accidental poisoning, and intellectual property. Dr. Simon has particular expertise in dioxin-like chemicals and polychlorinated biphenyls (PCBs). His services include consulting, reports, deposition, and trial testimony when necessary.

Areas of Expertise:
  • Dioxins
  • PCBs
  • Drugs
  • Alcohol
  • Poisoning
  • DUI / DWI
  • Water Contamination
  • Soil Contamination
  • Environmental Risk Assessment
  • Environmental Toxicology
  • Carcinogenicity
  • Food Contamination
  • Pesticides
  • Fracking
  • Lead
  • Marijuana
  • Polychlorinated Biphenyls
  • Intellectual Property
  • 9/26/2016 · Environment
    The willingness to view risk as part of daily life has vanished. A risk-averse mindset among environmental regulators engenders confusion between the ethics of intention and the ethics of consequence, leading to the elevation of the precautionary principle with unintended and often unfortunate outcomes. Environmental risk assessment is conservative, but the actual level of conservatism cannot be determined. High-end exposure assumptions and current toxicity criteria from the USEPA, based on linear extrapolation for carcinogens and default uncertainty factors for systemic toxicants, obscure the degree of conservatism in risk assessments. Ideally, one could choose a percentile of the target population to include within environmental standards, but this choice is complicated by the food, pharmaceutical and advertising industries, whose activities, inadvertent or not, often promote maladaptive and unhealthy lifestyle choices.

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    James D. Wamble, PE, RLS
    PE, RLS
    40 Middleton Street
    Nashville TN 37210
    USA
    phone: 615-251-9555
    fax: 615-251-9034
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    James D. Wamble, PE, RLS has over 30 years of experience as a Professional Civil Engineer and Registered Land Surveyor. During the course of his career, Mr. Wamble has worked on land planning, land surveying, or civil engineering projects in all counties of the middle and west Tennessee regions, and several counties in east Tennessee.

    Selected Recent Projects:
    • Lake Forest Estates – Approximately 5000 residential units and numerous commercial parcels. Largest subdivision in the state. Provided land planning, land surveying, and civil engineering services
    • Reelfoot Lake – Boundary survey of an 18,000-acre public lake to determine the pre-1917 Ordinary Low Water Mark for a Federal lawsuit in Lake County and Obion County, TN. Performed land surveying and expert witness services
    • Tapestry – 393 unit condominium and apartment development with 6,000 sq. ft. of commercial space in a Traditional Design Town Center in Brentwood, Williamson County, TN. Provided land planning, land surveying, and civil engineering services
    • Evans Hill - 340 mixed residential units designed as a Traditional Specific Plan in Hermitage, Davidson County, TN. Provided land planning, land surveying, and civil engineering services
    • Evergreen Hills - 900 mixed residential units designed as a Traditional Specific Plan in the Cane Ridge Community of Nashville, Davidson County, TN. Provided land planning, land surveying, and civil engineering services
    Services Include:
  • Civil Engineering
  • Land Use Planning
  • Land Surveying
  • Retail, Res., Industrial, Comm. Site Design
  • Construction, Grading, Drainage Plans
  • Roadway, Detention, Basin Design
  • Erosion Control
  • Water Quality Design
  • Engineering Studies
  • Cost Estimates / Financial Analysis
  • Developability / Constructability Analysis
  • Feasibility Studies
  • Residential, Industrial, Commercial, Mixed-Use
  • Zone Change Request
  • Planned Unit Development Design
  • Specific Plan Design
  • Natural Resource Analysis
  • Graphic Presentation
  • Site Selection Consultation
  • Boundary
  • Topography
  • As-Built
  • Route
  • ALTA Land Title
  • Utility
  • Aerial Ground Control
  • Construction
  • GPS


  • View James Wamble's Expert Witness Profile.
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    Dr. Tracey D. Carrillo
    Ph.D.
    P.O. Box 386
    Knox City Texas
    USA
    phone: 575-639-5110 or 575-650-9463
    Areas of expertise include: agronomy, environmental studies, Precision technology, drone field mapping, entomology, plant pathology, pesticides, pastures, soils, herbicides, range management, biology, ecology, plant physiology, invasive insect and plant species, as well as many other areas. Certified crop advisor by the Society of Agronomy. Experience in Drone and satellite imagery for detection of plant anomalies such as spray drift, plant disease or other. 20 years experience in areas of agriculture, ecology, biology, regulation and policy, labeling, equipment operation, soil and plant tissue testing, as well as water quality.

    Herbicide spray drift to non target crops or plants.
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    John Bornsworth
    Principal
    PO Box 3106
    Port Angeles WA 98362
    USA
    phone: 360-819-3081
    Arboriculture-Expert-Photo-John-Bornsworth.jpg
    Peninsula Urban Forestry is a Tree, Plant, and Ecological consultancy with a philosophy of holistic, preventative care. They specialize in urban trees and landscapes, plant pathology, plant health, marine and freshwater shorelines, steep slopes, and native landscapes.

    Arborist Services:
    • Preventive Tree Care
    • Tree and Plant Health Care
    • Tree Risk Assessment
    • Tree and Landscape Appraisal
  • Advanced Tree Diagnostics
  • Tree Management
  • Training
  • Tree Protection Plans
  • John Bornsworth, Owner and Consulting Arborist has a decade of progressive experience in the practice and management of Arboriculture, Horticulture, Restoration Ecology, Vegetation Management, Plant Pathology, and Mycology.

    Credentials:
    • Member, American Society of Consulting Arborists
    • International Society of Arboriculture Certified Arborist
    • ISA Certified Municipal Specialist
    • Qualified Tree Risk Assessor
    • WSDA Licensed Commercial Applicator with aquatic, horticultural and right-of-way endorsements
    • WA Dept. of Ecology, Western Washington Wetlands Rating System Certificate
    • Graduate of the rigorous Community Tree Management Institute (CTMI). Hosted by Urban and Community Forestry programs in Oregon and Washington
    Affiliations:
    • Member, Society of Consulting Arborists
    • Member of the International Society of Arborists
    • Member of the Pacific Northwest Chapter of the ISA
    • Member of the Society of Municipal Arborists
    • Member of the Society of Ecological Restoration
    View John Bornsworth's Expert Witness Profile.
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    Occupational and Environmental Medicine Consulting
    Dr. Theron Blickenstaff, MPH, FACOEM
    709 Clandon Drive
    Kingsport TN 37660
    USA
    phone: 423-378-3267
    Theron Blickenstaff, MD, MPH, FACOEM offers litigation support for both defense and plaintiff in the following areas:
  • Medical Record Reviews
  • Disability Consultation
  • Workers' Compensation
  • Product Liability Cases Involving Chemical Exposures
  • Epidemiology (Cancer Causation)
  • Hazard Communication (Material Safety Data Sheets and Labels)
  • Indoor Air Quality (Sick Building Syndrome)

    Dr. Blickenstaff's services include case review, affidavits, depositions and courtroom testimony.

    A fee schedule is available on request.
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    Dr. James C. Norris, DABT, EURT

    USA
    phone: 866-526-6774
    Dr. James C. Norris, Ph.D., DABT, EURT is an Expert Witness in Toxicology and Pharmacology. He has Litigation and Arbitration experience in the United States, United Kingdom and Hong Kong. Dr. Norris has given testimony to government agencies, has acted as a consultant for the media (BBC) and is an Industrial Site Crisis Team Member. He is avaliable for both Plaintiff and Defense.

    Areas Of Expertise:
  • Carcinogenicity and Chemicals
  • Combustion or Fire Toxicology
  • General and Inhalation Toxicology
  • Pesticides, and Pharmaceuticals (pharmacology)

    Professional Affiliations:
  • American Association of Pharmaceutical Scientists
  • British Toxicology Society
  • Society of Toxicology
  • Editorial Boards of Inhalation Toxicology and Journal of Fire Sciences
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    Dr. Jonathan S. Rutchik, MD, MPH
    20 Sunnyside Ave Suite A-321
    Mill Valley CA 94941
    USA
    phone: 415-381-3133
    fax: 415-381-3131
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    Dr. Jonathan S. Rutchik, MD, MPH, is one of the few physicians in the USA who is board certified in both Neurology and in Occupational and Environmental Medicine. He also has a masters in public health. Dr. Rutchik specializes in consulting and treating Neurological Illnesses or Injuries secondary to work exposure, accident, or environmental injury. His clients include industry, government, academia, legal groups, attorneys, and pharmaceutical industries.

    Dr. Rutchik performs Electromyography and Nerve Conduction Velocity Testing, IMEs, QMEs, AOE and AMEs as well as fitness for duty evaluations. Dr. Rutchik is also available for record review and utilization review. He is listed on a number of well known MPN networks for worker’s compensation.

    Dr. Rutchik has worked with such entities as the Department of Labor in Washington, DC on The Blood Borne Pathogens Standard, the NIOHS on on health hazard evaluations involving carbon disulfide, lead, and arsenic toxicity, and the US Public Health Service on general and preventive medicine. He presently serves as a consultant to The Disability Management Services of Prudential Insurance and is working with The World Health Organization in Geneva, Switzerland on a proposal for an Occupational Toxicology Training Manual for underdeveloped countries.

    Dr. Rutchik has lectured to various audiences and presented academic papers on Neurology Data Collection, Carpel Tunnel Syndrome, Ethylene oxide, Perchloroethylene, Lead Neurotoxicity, Toxicology of the Visual System, Neurological Sequellae of Chlorinated Ethylenes, Practical Occupational and Environmental Neurology, and Neurotoxicology.

    Offices Locations: San Francisco, Richmond, Petaluma, Sacramento, Arcata (See Location Details in Links Above)

    View Dr. Rutchik's Expert Witness Profile.
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    Dr. Bruce C. Hemming
    PhD, President/CEO
    See Multiple Addresses Below
    St. Louis MO 63119-3421
    USA
    phone: 314-645-2177 or 800-688-9144
    fax: 314-645-2544
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    Microbe Inotech Laboratories, Inc. (the MiL, Inc.) is a full Microbiological Lab that provides consulting service through five distinct laboratory sectors: Environmental, Food Safety, Industrial Hygiene, Pharmaceutical / Biomedical, and Governmental. The MiL's goal is to solve problems related to microbial detection and identification. They work with many top companies performing research and development as well as microbial testing.

    Dr. Bruce C. Hemming, PhD - President & CEO of Microbe Inotech Laboratories, Inc. (The MiL, Inc.) is an accomplished science and business professional with over 40 years of real-world experience in Microbiology and its practical applications. He currently serves on three biotechnology committees for multi-disciplinary teams involved in original research. He has earned several patents on his research within the field of microbiology.

    Helix Center (Core Lab)
    1100 Corporate Square Drive, Ste. 225
    St. Louis, MO 63132
    Telephone: 800-688-9144
    Microbe Scan, LLC
    1100 Corporate Square Drive, Ste. 224
    St. Louis, MO 63132
    Telephone: 800-688-9144


    View Dr. Hemming's Expert Witness 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.

    Consulting Services: Independent Technical Review of risk assessments, toxicology summaries or other similar documents. Document writing/Preparation. Management of preparation of risk assessments and negotiations related to the risk assessment process.

    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.

    Risk Assessments - 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). These risk assessments have involved a variety of media (soil, mine waste and tailings, groundwater, surface water, ambient air, indoor air, food sources) and a range of constituents (including total petroleum hydrocarbon, pesticides, solvents, metals, PAHs, PCBs, asbestos, and explosives).

    Risk-based Strategies - Dr. Heath develops risk-based strategies for RCRA Corrective Actions, Superfund sites, and brownfield or redevelopment sites, including risk-based screening of source areas, facility-wide evaluation of exposure pathways, and site-specific, facility-wide assessment of risks to humans and ecological receptors. Her services ultimately contribute to cost-effective site investigation / characterization, remediation, and long-term monitoring.

    Mammalian Toxicology - Dr. Heath also applies her expertise in mammalian toxicology, focusing on strategic evaluation of the hazards associated with chemicals of interest. Her work has included in-depth evaluation of information about the toxicity of chemicals in both laboratory animals and humans; appropriate application of knowledge about mechanisms of action; and effective integration of this information into risk assessment, risk management, and community relations efforts.

    Dr. Heath has authored or co-authored over 50 publications, and has written and edited n
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    Vera F. Dolan, MSPH, FALU
    Principal
    6238 Belgium Drive
    Las Vegas NV 89122
    USA
    phone: 702-476-8500
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    Vera Dolan is an epidemiologist with over 30 years of experience in the life and health insurance industries. She is one of the leading mortality experts in the life insurance industry. She writes underwriting manuals and policy and procedure manuals for life and health insurance companies.

    Vera has testified in both state and federal court, and has been retained in over 100 cases since 2006 for plaintiffs and defense on an equal basis. She is very credible testifying in deposition and on the stand.

    * Life expectancies that are personalized and accurate to the standards of the life insurance and life settlement industries. Addresses the cases when life expectancies that are simply taken from a life table or estimated by a doctor, actuary or biostatistician are not sufficient or credible. Addresses the cases when a complete insight into the individual's medical conditions and/or personal history of high-risk behaviors is needed to assist the judge or jury in their decision. This information often decides the case, see article for details.

    * Expert in bad faith/wrongful denial of life/health insurance claims.

    * Expert in life/health insurance underwriting material misrepresentation.

    * Expert in medical risk assessment and underwriting issues.

    * Expert in life insurance underwriting policies and procedures.

    * Expert in epidemiology. Previous cases include infectious diseases, occupational and environmental exposures, pesticides and tobacco.

    * Approved life expectancy expert with the U.S. Department of Justice.

    * Active consultant to the life insurance industry conducting cohort mortality studies, and writing underwriting and policy and procedure manuals.

    * Over 100 articles published on mortality research and underwriting.

    * Friendly, clear, concise, objective and quantitative.

    * There is no charge for the initial phone consultation.

    * There is no charge for travel time.

    2/21/2013 · Life Expectancy
    The advantages of a life expectancy using life insurance underwriting and life settlement methods include:

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    David D. Hunter
    Certified Arborist
    3406 NW Thatcher Road
    PO Box 324
    Forest Grove OR 97116-0324
    USA
    phone: 503-319-0380
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    David D. Hunter is a Consulting Arborist and the owner of David D. Hunter Certified Arborist, LLC, a full-service tree care provider. As a Consulting Arborist, he is dedicated to community enhancement and the protection of the environment. His services range from Consulting with residential clients on tree health and safety assessments, to working with camps, clubs, parks, schools, cities, counties and more on a variety of arboricultural concerns.

    Mr. Hunter has consulted on Arboricultural and Forestry issues in Oregon and other parts of the United States, worked with historical sites and trees, and has taught climbing and safety techniques to tree care professionals. With over 40 years of experience in the fields of Forestry and Arboriculture, his background includes managing all aspects of the tree-service company from worker safety and training to customer satisfaction. Mr. Hunter has specialized knowledge of the use of Resistograph and Air Spade for tree health and safety inspections.

    Consulting Services Include:
    • Appraisals for Tree & Shrub Damage or Loss
    • Arborist Reports
    • Construction Management
    • Hazard & Risk Assessments
    • Insect / Pest / Disease Diagnosis
    • Permit Assistance
    • Pruning & Fine Pruning
    • Fruit Tree Pruning
    • Ornamental Pruning
  • Thinning
  • View Enhancement
  • Tree & Stump Removal
  • Stump Grinding
  • Brush Chipping
  • Transplanting
  • Cabling
  • Crane Work
  • Fertilization
  • View David Hunter's Expert Witness Profile.
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    Christian Plunkett
    Consulting Arborist
    639 Montgomery Road
    Hillsborough NJ 08844
    USA
    phone: 908-824-0412
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    Christian Plunkett Arborist Urban Forestry Expert Photo
    Christian J. Plunkett, BCMA, is an independent Consulting Arborist with 14 years of experience in the fields of Arboriculture and Urban Forestry. Mr. Plunkett is a graduate of The Pennsylvania State University and holds a BS in Urban Forestry. He is a skilled diagnostician with extensive experience in the areas of Tree Preservation, Tree Risk Assessment, and Appraisal of Tree Value.


    Mr. Plunkett has distinguished himself within his profession by earning the highly respected ISA Board Certified Master Arborist and New Jersey Certified Tree Expert credentials. He is also ISA Tree Risk Assessment Qualified. Mr. Plunkett is a member of both the International Society of Arboriculture and the American Society of Consulting Arborists.


    Christian Plunkett has cared for trees at Princeton University, The New Jersey Governor’s Mansion, Duke Farms (The Doris Duke Estate) in Hillsborough, NJ, and Seward Johnson’s Grounds for Sculpture in Hamilton, NJ. He has also served as the Consulting Arborist on NYC Infrastructure projects, acting as adviser to the Resident Engineer and directing the Contractors' excavation work around existing trees.


    Areas of Expertise:
    • Hazardous Trees / Tree Parts
    • Tree Risk Assessment
    • Appraisal of Tree Value
    • Casualty Appraisal
    • Abiotic Disorders
    • Managing Tree Health and Safety
    • Tree Preservation During Construction
    • Insect Pests of Trees
    • Tree Diseases
    • Fertility Deficiencies


    VIDEO: What Is A Consulting Arborist?


    5/1/2017 · Plants & Trees
    Whether the companies planting these trees are planting them incorrectly out of ignorance or in pursuit of maximizing profits; get in, get out, get to the next job, I do not know. In either case, it behooves a homeowner or property manager to do their due diligence and educate themselves on proper tree planting technique so that they will recognize when they are receiving a quality service and when they are throwing their money down the drain.

    2/28/2017 · Plants & Trees
    As defined in the tree care industry, a "Hazard Tree" is a tree that poses a level of risk to people or property that exceeds the risk tolerance of the property owner or manger. This means that a tree that may be considered a hazard to one property owner may not be considered to be a hazard by another property owner. Thus, "hazard tree" is a somewhat subjective concept, used when making tree risk management decisions on a particular property, and is not a description of the inherent level of risk actually posed by a particular tree. In the tree care industry the term "hazard tree" is generally reserved to describe a tree that requires immediate removal, or other mitigating actions, to reduce the level of risk posed.

    11/23/2016 · Plants & Trees
    There are many terms in use describing different types of tree care professionals and this can cause considerable confusion for a homeowner or property manager who requires a tree care provider. The information below will hopefully provide some clarity on the topic.

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    Dr. Olen Brown, PhD
    Toxicology / Medical Sciences / Environmental Sciences
    527 North Cedar Lake Drive, West
    Columbia MO 65203
    USA
    phone: 573-449-7444
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    Dr. Olen R. Brown, PhD (Microbiology) is a board certified Diplomate in Toxicology and member of the Standards of Knowledge Committee . With broad teaching and research experience, Dr. Brown has dedicated over 35 years to the Life Sciences with a focus on Human Medicine using the disciplines of bacteriology, virology, immunology, epidemiology, biochemistry, physiology, analytical chemistry, toxicology and environmental sciences. Dr. Brown currently is a scientific consultant to corporations and universities.

    Dr. Brown is an invited peer reviewer for federal agencies (NIH, NIEHS, CDC, EPA, Superfund, ATSDR and others) and reviewer for the American Association for the Advancement of Science (AAAS) Books and Films. He is also an invited reviewer of submitted papers for various scientific journals including regularly for the American Chemical Society publications and serves as judge of submitted abstracts for the Society of Free Radical Biology and Medicine.

    Dr. Brown is the author of over 150 scientific publications and two books: "The Art and Science of Expert Witnessing," published in 2002 by the Cypress Publishing Group; and "Miracles," published in 2007 by BookSurge Publishing.

    Consulting Experience Includes:
    • Risk assessment from exposure to toxic chemicals and bacteria, viruses, molds (fungi) and the occurrence of acute and chronic toxic, infectious, allergic, and inflammatory diseases
    • Evaluation of the therapeutic and harmful effects of ethical drugs and the effects of alcohol and other drugs of abuse
    • Toxicity of solvents, pesticides, heavy metals, ozone, carbon monoxide, nanoparticles, and other air pollutants
    • Safety evaluation of human medical and veterinary medical devices and pharmaceuticals and White Papers
    View Dr. Brown's Expert Witness Profile.
    2/17/2002 · Expert Witnessing
    Attorneys use experts in two ways. First is the traditional use of an expert as a witness in court. In this role, scientists, business people, or others with technical knowledge are retained by attorneys primarily for their opinions (oral, written, or both), ultimately to be given at deposition and in civil and criminal courts. Second, the expert may be used as a pre-trial consultant or more specifically as an undisclosed consultant

    Olen R. Brown, PhD
    "Miracles" reveals truth from Scripture, science and life. Everything that is or was or is to come is part of God's miracle. Science says that nothing is miraculous- Time and Chance created the universe with no meaning or purpose. God's universe has great meaning extending from the stars to atoms and to you. What we believe about miracles can be a source of great joy or missed joy in our lives. Dr. Brown, a Christian and author of over 100 scientific papers, has coined a new word, synscicretism, to call attention to the doctrine that today elevates science above religion. Science works best for the great "how" questions, but poorly for the great "why" of all things.
    Olen R. Brown, PhD
    This authoritative guide is designed to achieve a synthesis of understanding and effort between case science and case law. It examines all stages of attorney/expert interaction from the initial interview to post-trial evaluation.
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    Frederick Passman
    President
    PO Box 3659
    Princeton NJ 08543-3659
    USA
    phone: 609-716-0200
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    Dr. Frederick Passman, PhD is a Certified Metalworking Fluids Specialist with over 35 years experience in Environmental & Industrial Microbiology. His company, Biodeterioration Control Associates, Inc. (BCA) provides clients with unparalleled expertise in Microbial Contamination Control.

    Dr. Passman offers a complete range of consulting services relating to microbial contamination control in the metalworking, fuel, petroleum production and water treatment (heat exchange) industries.

    Consulting Services Include:
    • Antimicrobial pesticide (biocide) selection
    • Biocide market opportunity analysis
    • Condition monitoring
    • Cost impact studies
    • Diagnosis (root cause analysis)
    • Education
    • Fuel Treatment Contractor Services
    • Training
    Seminar Topics:
    • The impact of microbial contamination (cooling towers, fuels, metalworking fluids)
    • Designing microbial contamination control programs
    • Microbial contamination control
    Training Topics:
    • Sample collection
    • Field-test procedures
    • Problem analysis and identification
    • Sample handling
    • Control charts
    • Corrective action plans
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    6/3/2014 · Microbiology
    Despite their history of successful use as fuel system disinfectants and fuel preservatives, antimicrobial pesticide use faces increasing restrictions due to both regulatory control and public concerns. A variety of non-chemical treatments have been used with varying degrees of success to disinfect non-fuel fluids and to at least partially inhibit biofilm development on infrastructure surfaces. Promoters of one technology have claimed successful fuel disinfection and fuel-tank fouling prevention. This paper will review a range of non-chemical treatment technologies and will present the results of preliminary evaluations of several technologies that were tested on Jet A fuels that had been challenged with either Pseudomonas aeruginosa or Hormoconis resinae. Data are presented on treatment impact on adenosine triphosphate (ATP) concentration, culturability and live/dead direct counts in Jet A-1 and on glass microcosm surfaces.

    4/29/2014 · Microbiology
    Several of the major points that I made in 1995 need further consideration, based on both changes in the regulatory climate and field experience with microbial contamination control in surface transportation markets.

    3/25/2014 · Microbiology
    Smaller retailers depend on the expertise and reputations of their suppliers. Traditionally, refiners' attitudes about fuel were that if it met specifications at the time of sales, but failed later, the problem belonged to the owner at that time. As we begin to see impact of the Clean Air Act-driven fuel reformulations, increased consumer awareness and increased susceptibility to contamination, all market participants are going to have to cooperate to ensure that the customer with the engines gets consistently good fuel.

    2/20/2014 · Metallurgy
    Adenosine triphosphate (ATP) assays have been used to quantify bioburdens (biomass) in low-organic-compoundcontent fluids (freshwater, seawater, cooling tower water, and similar fluids) since the early 1950s. The original methodology was labor intensive and required considerable laboratory skill. Over the past half-century, the protocol has been simplified substantially, but until recently, chemical interferences made it impractical to use the ATP test in metalworking fluids (MWF).

    1/17/2014 · Microbiology
    Quantification of adenosine triphosphate (ATP) in fuels and fuel-associated waters was first presented at the Technische Akademie Esslingen 6th International Fuels Colloquium in 2007. At the time, two issues limited the overall usefulness of ATP as a test parameter: inability to differentiate between bacteria and fungi and inability to detect dormant microbes.

    12/11/2013 · Microbiology
    Three alternative, non-conventional test methods are evaluated for their ability to detect and quantify bioburdens in fuel and bottom-water samples. Two of the parameters, catalase activity and adenosine triphosphate (ATP) concentration have been used previously. This is the first report of the use of fluorescence polarization (FP) technology for fuel and fuel-associated water testing.

    11/6/2013 · Microbiology
    In August, 2012 a member of the LinkedIn Metalworking Fluids Group asked for a recommendation for the best biocide/fungicide package to be used to protect a semisynthetic metalworking fluid from biodeterioration. His posting has generated nearly 50 responses. Some of the suggestions were clearly based on limited experience; experience with few MWF, a limited number of MWF systems or both. I posted a number of comments to the string and have compiled them in this article.

    10/9/2013 · Microbiology
    Industrial lubricants are increasingly providing a rich environment for microbial growth and proliferation. Most of the knowledge of lubricant biodeterioration has been extrapolated from field and laboratory experience with metalworking fluids. Compositionally more complex than most lubricants, metalworking fluids are either solutions or emulsions of 5 to 10% coolant concentrate in water.

    9/10/2013 · Microbiology
    As industry seeks to improve the economy of plant operation, responsible managers are paying more attention to factors that affect efficient and reliable operation of their facilities. One area of attention that can payoff handsomely is the control of microbiological activity in coolant systems. Many engineers and plant operations personnel are just beginning to appreciate the effects on their machining operations caused by their plant "biosphere," which contains bacteria, fungus, mold and other contaminants.

    8/14/2013 · Microbiology
    Mounting concerns over operational and waste management costs, as well as the quality and safety of the work environment have provided increased impetus for both formulators and end-users to strive to improve coolant life. There are a number of alterative approaches to achieving this objective. In this paper, the concepts of bioresistance and biostatic are defined and compared.

    7/29/2013 · Microbiology
    This case study reports culture and acid-fast bacteria direct counts from 99 MWF samples received for microbiological testing at Warren, Mich.-based Biosan Laboratories between December 2006 and September 2007.

    7/11/2013 · Microbiology
    All metalworking-fluid formulations share the common problem of susceptibility to microbial attack. This is not all bad news, since we need the used dilute fluid to be biodegradable for disposal purposes.

    6/19/2013 · Microbiology
    During the past decade we have witnessed a tumultuous debate over the disease risks posed by microbes that inhabit metalworking fluid (MWF) systems. Not infrequently, that debate has occurred in the absence of satisfactory data.

    5/22/2013 · Microbiology
    Root cause analysis is the process used to identify the fundamental cause for an undesirable condition. Premature filter failure due either to plugging or other mechanism is generally perceived to be an acute problem.

    4/10/2013 · Microbiology
    Since there are no microbial standard for the fuels, microbial contamination remained undetected inless sli9me started to plug the filters.

    3/7/2013 · Fuel Systems
    An array of microcosms containing California Air Resources Board (CARB)-compliant, oxygenated S7-octane gasoline over nutrient-amended water was monitored over a 7-month period. The array included tiplicate microcosms of each of four conditions:

    2/15/2013 · Fuel Systems
    Microbes in Fuel Retailing was the last in my series of NPN articles. In it, I presented a more global perspective on the key issues that I had addressed in earlier articles. Since 1999 there have been some watershed changes in the industry since it was written. The most important ones all involve dramatic changes in fuel product composition.

    12/12/2012 · Fuel Systems
    Although the documentation of fuel biodeterioration dates back to the late 19th century, general recognition of the value of microbial contamination control evolved slowly until the 1980's. Since the early 1980's a number of factors have converged to stimulate greater interest in fuel and fuel system biodeterioration.

    10/5/2012 · Fuel Systems
    Adenosine Triphosphate (ATP) is an excellent biomarker present in all living cells. During the past several years, several ATP test methods have been developed to overcome interferences that have historically made ATP testing of fuels impractical.

    7/26/2012 · Microbiology
    Metalworking fluids provide an excellent environment for the growth and proliferation of a variety of bacteria and fungi. Historically, the incidence of infectious disease outbreaks at metalworking facilities has been rare. Consequently the primary focus of microbial contamination control efforts has been to prevent fluid biodeterioration.

    5/21/2012 · Fuel Systems
    Between 1994 and 1999, I had the opportunity to write a series of articles for National Petroleum News (NPN). Each article focused on one aspect of the connection between microbial contamination and operational problems in fuel retail systems.

    Frederick J. Passman, PhD
    This new ASTM manual brings together the various test procedures that technicians need to diagnose the contamination in fuels and fuel systems. It also suggests the means for detection and control of microbial contamination.
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