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Aerosols - Aerosol Products Expert Witnesses

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John Chadwick
Aerosol Products Consultant
129 Harriman Hill Road
Raymond New Hampshire 03077
United States
phone: 6038950778

Mr. Chadwick is an aerosol products technical consultant, his areas of expertise include:
  • Designing and developing aerosol products & packaging systems.
  • Creating and implementing aerosol quality assurance programs.
  • Trouble-shooting technical issues in the lab and in the manufacturing environment.
  • In addition, Mr. Chadwick provides customized training programs in aerosol technology to industry marketers, manufacturers and suppliers.
ATS expert witness services include:
  • Technical support for case analysis & planning.
  • Aerosol product failure analysis
  • Expert reports, depositions, and testimony at trial if needed.
  • A complete CV and case list are available upon request.
  • Mr. Chadwick has a proven track record of successfully participating as an expert witness in court cases involving aerosol products and/or aerosol technology.

When the actuator is pressed on an aerosol can, the valve is opened, and a stream of liquid product travels thought the valve and exits the can.

This series, "Aerosol Anatomy," will dissect and examine various technical topics in aerosol technology, including product development, new technology, components of the aerosol system, and quality control.

This article continues the Aerosol Anatomy series, which dissects and examines various technical topics in aerosol technology, including product development, new technology, components of the aerosol system, and quality control of aerosol products.

This is a continuation of the Aerosol Anatomy series, which focuses on dissecting and examining various technical topics in aerosol technology, including product development, new technology, components of the aerosol system, quality control and other related topics of interest to formulators and manufacturers of aerosol products.

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Frederick Passman
PO Box 3659
Princeton NJ 08543-3659
phone: 609-716-0200
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.

Areas of Expertise:
  • Industrial microbial ecology
  • Root cause analysis of microbial contamination
  • Industrial process system biodeterioration
  • Microbially influenced corrosion
  • Health effects of exposure to bioaerosols in the industrial environment
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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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Dr. Kenneth H. Brown
1889 Maple Ave, Suite N-3
Evanston IL 60201
phone: 847-475-2755
fax: 847-475-3545
National Expert Witness And
Consulting Service For Attorneys

KHB CONSULTING SERVICES provides research, consulting and expert witness services to the legal profession for cases involving:
  • Chemicals
  • Paints and coatings
  • Chemical specialty products
  • Household chemical products
  • Industrial chemicals
  • Hazardous materials
  • Labels and warnings
  • Toxic substances
  • Aerosols
  • OSHA
  • Chemical spills
  • Chemical explosions

  • We provide:
  • Translation of technical terminology
  • File review
  • Research
  • Field site visits
  • Laboratory testing/analysis
  • Reports
  • Strategy assistance during discovery
  • Deposition
  • Testimony

  • The primary areas of expertise are:
  • Chemistry
  • Chemicals
  • Industrial Chemicals
  • Household Chemicals
  • Paint and Coatings
  • Adhesives and Sealants
  • Chemical Specialty Products
  • Solvents
  • Fumes
  • Hazardous Materials
  • Aerosols and Spray Products
  • Labels and Warning
  • Toxic Substances
  • Polymers / Resins / Plastics
  • MSDS Review
  • OSHA
  • Laboratory testing and Analysis
  • Failure Analysis
  • Propellants
  • Chemical Spills
  • Chemical Accidents
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    Dr. Sher Paul Singh
    Ph.D., CPP
    1151 Michigan Avenue #120
    East Lansing MI 48823
    phone: 517-285-3962
    fax: 517-203-0094
    Dr. Sher Paul Singh, Ph.D., CPP, principal at Packaging Forensics Associates Inc., specializes in the areas of Packaging, Machinery, Transportation, Logistics and Material Handling. Dr. Singh is a Professor Emeritus at Michigan State University and has over 26 years of faculty service in the School of Packaging and was the founding Director of the Consortium of Distribution Packaging Research. His faculty and corporate experience includes research and teaching in the areas of Packaging, Transportation and Logistics, Innovative Packaging Materials and Processes, Machinery, Robotics and Sustainability.

    Dr. Singh has published over 200 papers, technical reports and book chapters. As an Expert Witness, he has testified in various lawsuits involving product liability, packaging, damage during transportation and injury from loading and unloading truck trailers and rail boxcars. Dr. Singh has provided his expert opinion in three hundred litigation matters. He has testified in federal, district and international courts. Dr. Singh has served as a legal expert to various Fortune 500 companies, federal agencies and international organizations like the Department of Defense, Department of Justice, USPS, United Nations, World Bank, European Union and ISO addressing problems related to Packaging and Transportation.

    Areas of Expertise:
    • Packaging Product Liability
    • Warning & Markings
    • Personal Injury with Packaging and Aerosols
    • Loading and Unloading Injuries or Fatalities on Truck Trailers
    • Damage Claims
    • Intellectual Property - (Patents, Copyrights & Trademarks)
    • Patent Infringement
    • Fire / Flammability
    • Hazardous Material Shipment & Use
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