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Microbiology Consultants

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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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Ewen Todd, PhD
4182 Indian Glen Drive
Okemos MI 48864
USA
phone: 517 347-4270
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Dr. Ewen Todd is a Food Safety Expert with over 45 years of experience in the reporting and surveillance of Foodborne Disease, as well as development of analytical methods for identifying foodborne pathogens. As a result of his knowledge of foodborne disease and work researching different pathogens and toxins, Dr. Todd has influenced research programs and regulatory approaches taken by the Health Protection Branch of Health Canada. In the US, he held the position of Director of the National Food Safety and Toxicology Center and the Food Safety Policy Center at Michigan State University. A leader in microbial research, foodborne disease surveillance, costing of outbreaks, food safety policy, seafood toxins, standard setting, risk assessment, risk management and risk communication, his presentations and food safety programs have been influential in many countries including China, Cambodia, Japan, United Arab Emirates, Lebanon, Kuwait, Saudi Arabia, Europe, as well as Canada, and the USA.

Dr. Todd has delivered over 400 presentations and posters at national and international meetings, with over 200 invitations to speak and teach workshops. An acclaimed author in the field of Foodborne Illness, he has written 109 research papers, 16 reviews, 36 book chapters and booklets, 40 departmental publications, 37 conference proceedings, 9 laboratory methods, 56 investigational and editorial articles, 90 published abstracts, and 3 editing of proceedings or books. Dr. Todd has received 20 appointments and awards, including the Excellence in Science Award for 1998, the first to be awarded by Health Canada. He is a Fellow of the American Association for the Advancement of Science, the International Association for Food Protection and MSU University Outreach and Engagement as well as Editor in Chief for the Elsevier Encyclopaedia of Food Safety.

Dr. Todd's Consulting services are available to businesses and governments internationally. He responds to telephone calls, emails, and written requests for information on food and waterborne disease.

Consulting Services Include
  • General Food Safety and Spoilage Issues
  • HACCP and GHP Systems
  • Standards for Poultry
  • Listeria Monocytogenes in Soft Cheeses
  • Standards for Poultry
  • Seafood Toxins
  • Food Workers
  • Investigation of Foodborne and Waterborne Illnesses
  • Foodborne Disease Surveillance Systems
  • Risk Assessment, Risk Management and Risk Governance
  • Safety of Aquaculture Systems
  • Norovirus in Elder Care and Other Facilities
  • Salmonella and Shigella in Schools and Child Care Centers
  • Salmonella in Tahini and Other Oil-based Foods
  • Escherichia coli O157:H7 in Leafy Greens
  • Staphylococcus aureus in Cheese, Clostridium botulinum in Canned or Preserved Food and Native American / Inuit Fermented Food
  • Listeria monocytogenes in Deli Meats and Soft Cheeses
  • Controlling Listeria monocytogenes in Ready-to-eat Foods
  • Hydrophobic Grid Membrane Filter Systems
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9/26/2014 · Engineering
Hand washing with soap is a practice that has long been recognized as a major barrier to the spread of disease in food production, preparation, and service and in health care settings, including hospitals, child care centers, and elder care facilities. Many of these settings present multiple opportunities for spread of pathogens within at-risk populations, and extra vigilance must be applied. Unfortunately, hand hygiene is not always carried out effectively, and both enteric and respiratory diseases are easily spread in these environments. Where water is limited or frequent hand hygiene is required on a daily basis, such as for many patients in hospitals and astronauts in space travel, instant sanitizers or sanitary wipes are thought to be an effective way of preventing contamination and spread of organisms among coworkers and others. Most concerns regarding compliance are associated with the health care field, but the food industry also must be considered.

8/26/2014 · Engineering
Alcohol compounds are increasingly used as a substitute for hand washing in health care environments and some public places because these compounds are easy to use and do not require water or hand drying materials. However, the effectiveness of these compounds depends on how much soil (bioburden) is present on the hands. Workers in health care environments and other public places must wash their hands before using antiseptics and/or wearing gloves. However, alcohol-based antiseptics, also called rubs and sanitizers, can be very effective for rapidly destroying some pathogens by the action of the aqueous alcohol solution without the need for water or drying with towels.

7/22/2014 · Engineering
During various daily activities at home and work, hands quickly become contaminated. Some activities increase the risk of finger contamination by pathogens more than others, such as the use of toilet paper to clean up following a diarrheal episode, changing the diaper of a sick infant, blowing a nose, or touching raw food materials. Many foodborne outbreak investigation reports have identified the hands of food workers as the source of pathogens in the implicated food. The most convenient and efficient way of removing pathogens from hands is through hand washing. Important components of hand washing are potable water for rinsing and soaps to loosen microbes from the skin. Hand washing should occur after any activity that soils hands and certainly before preparing, serving, or eating food.

6/12/2014 · Food & Beverage
The role played by food workers and other individuals in the contamination of food has been identified as an important contributing factor leading to foodborne outbreaks. To prevent direct bare hand contact with food and food surfaces, many jurisdictions have made glove use compulsory for food production and preparation. When properly used, gloves can substantially reduce opportunities for food contamination. However, gloves have limitations and may become a source of contamination if they are punctured or improperly used. Experiments conducted in clinical and dental settings have revealed pinhole leaks in gloves.

5/8/2014 · Food & Beverage
Contamination of food and individuals by food workers has been identified as an important contributing factor during foodborne illness investigations. Physical and chemical barriers to prevent microbial contamination of food are hurdles that block or reduce the transfer of pathogens to the food surface from the hands of a food worker, from other foods, or from the environment. In food service operations, direct contact of food by hands should be prevented by the use of barriers, especially when gloves are not worn. Although these barriers have been used for decades in food processing and food service operations, their effectiveness is sometimes questioned or their use may be ignored. Physical barriers include properly engineered building walls and doors to minimize the flow of outside particles and pests to food storage and food preparation areas; food shields to prevent aerosol contamination of displayed food by customers and workers; work clothing designated strictly for work (clothing worn outdoors can carry undesirable microorganisms, including pathogens from infected family members, into the work environment); and utensils such as spoons, tongs, and deli papers to prevent direct contact between hands and the food being prepared or served. Money and ready-to-eat foods should be handled as two separate operations, preferably by two workers.

4/8/2014 · Food & Beverage
This article, the sixth in a series reviewing the role of food workers in foodborne outbreaks, describes the source and means of pathogen transfer. The transmission and survival of enteric pathogens in the food processing and preparation environment through human and raw food sources is reviewed, with the main objective of providing information critical to the reduction of illness due to foodborne outbreaks. Pathogens in the food preparation area can originate from infected food workers, raw foods, or other environmental sources. These pathogens can then spread within food preparation or processing facilities through sometimes complex pathways and may infect one or more workers or the consumer of foods processed or prepared by these infected workers.

2/28/2014 · Food & Beverage
In this article, the fifth in a series reviewing the role of food workers in foodborne outbreaks, background information on the routes of infection for food workers is considered. Contamination most frequently occurs via the fecal-oral route, when pathogens are present in the feces of ill, convalescent, or otherwise colonized persons. It is difficult for managers of food operations to identify food workers who may be excreting pathogens, even when these workers report their illnesses, because workers can shed pathogens during the prodrome phase of illness or can be long-term excretors or asymptomatic carriers.

1/27/2014 · Food & Beverage
In this article, the fourth in a series reviewing the role of food workers in foodborne outbreaks, background information on the presence of enteric pathogens in the community, the numbers of organisms required to initiate an infection, and the length of carriage are presented. Although workers have been implicated in outbreaks, they were not always aware of their infections, either because they were in the prodromic phase before symptoms began or because they were asymptomatic carriers.

4/16/2013 · Food & Beverage
In this article, the third in a series of several reviewing the role of food workers in 816 foodborne outbreaks, factors contributing to outbreaks and descriptions of different categories of worker involvement are discussed.

3/13/2013 · Food & Beverage
This article is the second in a series of several by members of the Committee on the Control of Foodborne Illness of the International Association of Food Protection, and it continues the analysis of 816 outbreaks where food workers were implicated in the spread of foodborne disease.

1/23/2013 · Food & Beverage
Food workers in many settings have been responsible for foodborne disease outbreaks for decades, and there is no indication that this is diminishing. The Committee on Control of Foodborne Illnesses of the International Association for Food Protection was tasked with collecting and evaluating any data on worker-associated outbreaks.

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Dean A. Stetler & Associates Inc.
Dean A. Stetler, PhD
4212 Catalina Drive
Lawrence KS 66049
USA
phone: 785-331-8090
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Dean A. Stetler, PhD, has over 30 years of experience in the fields of Microbiology and Molecular Biology. For the past 20 years, he has specialized in Forensic DNA Profiling.

For almost three decades, Dr. Stetler has served as an Associate Professor in the Department of Molecular Biosciences at the University of Kansas. He has earned three United States patents including an Anti-RNA Polymerase I Antibody Test for the Diagnosis of Rheumatological Diseases, a second for Methods of Diagnosing and Monitoring Rheumatic Diseases, and a third for Assays for Monitoring the Severity of Autoimmune Diseases.

Litigation Support - Dr. Stetler has consulted with defense attorneys in more than 250 criminal cases over the past 20 years, mainly in the area of DNA Profiling but also for DUI and Drug-relate cases. He has testified in state and federal courts more than 100 times.

Dr. Stetler has testified in DUI and drug-related cases resulting in reduced sentences or the dropping of charges. He has also provided analyses that are not readily available, such as differentiation between venous and menstrual blood and determinations of a client's MAOA genotype.

Dr. Stetler is particularly skilled at educating attorneys, judges, and jury members so that they understand exactly what the results of the DNA testing mean. From there, he can often offer alternative explanations of these results which can, in many cases, result in acquittal.
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Lydia M. Contreras, PhD
Principal Investigator
Dept. of Chemical Engineering, UT-Austin
Austin TX 78757
USA
phone: 512-471-2453
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Contreras Lab works at the interface of RNA Biology and Systems Biology to solve complex problems in medicine and biotechnology. They apply fundamental concepts that emerge from experimental (and computational) work to develop novel applications that could beneficially impact human health and biotechnology.

Clients have included:
  • Companies interested in measuring the effect of devices on reducing cellular toxicity from pollutants
  • Companies interested in new technologies for designing/engineering microbial systems to produce new chemicals
  • Pharmaceutical companies looking at nucleic acid drug target candidates to help design better drugs against these targets
  • Government agencies to judge the potential impact of proposals on bioinformatics methods and biotechnologies
Lydia M. Contreras, PhD, is a Chemical and Biomolecular Engineer and Principal Investigator at The University of Texas at Austin Department of Chemical Engineering.

Dr. Contreras was an NIH Postdoctoral Fellow of Infectious Diseases elected by the Division of Developmental Genetics and Bioinformatics at Wadsworth Center-New York State Dept. of Health in Albany, NY. She received training at the world renowned RNA institute in Vienna in Nucleic Acid Biochemistry.

Dr. Contreras' research focuses on innovating in vivo technologies to understand and design cellular regulation patterns in living systems (e.g. microbes and human cell models) for enhanced production of chemicals, as well as for novel biomarkers of environmental cellular toxicity and biomedical applications.

View Dr. Lydia Contreras' Expert Witness Profile.
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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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Christian M. Schneider, CIH
President
140 S. Village Ave., Suite 130
Exton PA 19341
USA
phone: 610-524-5525
fax: 610-524-0565
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1 Source Safety and Health, Inc. is a Safety and Health Management and Consulting firm for educational, insurance, commercial, residential, research, healthcare, and manufacturing facilities. 1Source’s team of professionals includes certified industrial hygienists, certified safety professionals, certified professional environmental auditors, and a certified professional ergonomist who can address every safety and health issue. One key measure of their success is that 1Source is the largest safety and health consulting firm with the most certified staff on the east coast. For more than 20 years, the professionals at 1Source have been committed to developing long-term, mutually beneficial professional relationships with our clients and business partners.

Indoor Air Quality Management and Consultation:
  • Mold, Bacteria and other Microbiological Assessments:
  • Odor Surveys and Assessments
  • Investigative Indoor Air Quality Surveys
  • Proactive Indoor Air Quality Surveys
  • Planned Indoor Air Quality Management Programs
  • Environmental-Related Disease Investigations
  • Legionella and Legionnaires Disease
  • Safety Program Management
  • Safety Management Systems:
  • Ergonomics Programs
  • Safety Program Development
  • Occupational Health / Industrial Hygiene
  • Construction Safety Services
  • Managed Outsourcing
  • Training Program Services
  • OSHA VPP (Voluntary Protection Program)
  • Safety and Health Audits
  • Noise Exposure Evaluation and Control
  • Asbestos and Lead Management and Consultation:
  • Asbestos Surveys and Investigations
  • Asbestos Abatement Project Design
  • Environmental Quality Assurance Monitoring
  • Asbestos Operations and Maintenance Programs