CSC EHS Newsletter: March 2023 - Portable Generators and Ways to Protect Workers and Building Occupants from Carbon Monoxide Hazards + More

Clark Seif Clark

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Environmental Newsletter

March 2023

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Portable Generators and Ways to Protect Workers and Building Occupants from Carbon Monoxide Hazards

The use of portable back-up generators powered by fossil fuels has become increasingly common to provide electricity when utility power fails or when sites have no power infrastructure. These generators can help to keep critical appliances on, or can power a worksite, but they can also expose people to carbon monoxide (CO) if not properly used.

Carbon monoxide is an odorless and colorless gas that is extremely poisonous, potentially causing death in minutes if exposed to high enough concentrations. It is sometimes referred to as the ‘quiet killer’ as it displaces oxygen in the blood and deprives the heart, brain and other vital organs of oxygen.

The Consumer Product Safety Commission (CPSC) reports that about 85 consumers die in the United States each year from carbon monoxide poisoning caused by gasoline-powered portable generators. To help prevent carbon monoxide poisonings, CPSC provides the following advice for using a generator safely due to loss of power.

Never operate a portable generator inside a home, garage, basement, crawlspace, shed or on a porch. Opening doors or windows will not provide enough ventilation to prevent the buildup of lethal levels of CO.
Operate portable generators outside only, at least 20 feet away from the house, and direct the generator’s exhaust away from the home and any other buildings that someone could enter, while keeping windows and other openings closed in the exhaust path of the generator.
Check that portable generators have had proper maintenance, and read and follow the labels, instructions and warnings on the generator and in the owner’s manual.
Look for portable generators that shut off automatically when high levels of CO are present. Some models with CO shut-off also have reduced emissions.

“Many worksites rely on portable generators, making exposure to combustion byproducts, including carbon monoxide, a serious potential occupational hazard,” said Derrick A. Denis, Vice President of Indoor Environmental Quality for Clark Seif Clark (CSC). “Careful planning, jobsite hazard analysis, ventilation, equipment maintenance, air monitoring and employee education are all important tools for protecting life and health. Carbon monoxide direct-reading instruments and employee exposure monitoring can help verify jobsite compliance with OSHA health and safety regulations. But, consumers or small businesses such as homeowners, RV owners and food truck operators are vulnerable because they often lack the awareness of this invisible hazard.”

Fortunately, carbon monoxide poisoning is entirely preventable and the indoor air quality and industrial hygiene professionals at CSC offer testing, monitoring, consulting and training services to identify and mitigate potential exposure risks from portable generators and other combustion devices. CSC also recently sponsored an educational video about portable generators and carbon monoxide hazards that can be seen below:

Portable Generators and Carbon Monoxide Hazards

To learn more about this or other indoor air quality, industrial hygiene, environmental, health and safety services, please:

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1,4-Dioxane and Resources to Protect Workers from Exposure Hazards

1,4-Dioxane is a colorless liquid with a sweet odor that easily dissolves in water. It is used primarily as a solvent in the manufacture of chemicals and as a laboratory reagent. The U.S. Environmental Protection Agency (EPA) states that 1,4-dioxane has been found in groundwater at sites throughout the United States and goes on to share that it does not readily biodegrade in the environment.

The solvent is used in a number of industries and the National Institute for Occupational Safety and Health (NIOSH) provides examples of some of the workers at potential risk of exposure. The list includes:

Employees working in scientific laboratories
Workers exposed to certain types of industrial solvents
Factory workers involved in producing some cosmetics
Workers in paper pulping industries

“Occupational exposure to 1,4-dioxane is most likely to occur by breathing contaminated air or skin contact,” said Franco Seif, President of Clark Seif Clark (CSC). “NIOSH reports that exposure can harm the eyes, skin, lungs, liver and kidneys, and that 1,4-dioxane may cause cancer. Back in 1988, it was added to California’s Proposition 65 list of chemicals known to the state to cause cancer. The Agency for Toxic Substances and Disease Registry (ATSDR) also reports exposure to high levels of 1,4-dioxane in air can result in nasal cavity damage. To protect workers, the Occupational Safety and Health Administration (OSHA) has set a Permissible Exposure Limit (PEL) and NIOSH has a Recommended Exposure Limit (REL) for 1,4-dioxane. Cal/OSHA also has its own PEL.”

The industrial hygiene and environmental professionals at CSC work with industries that utilize 1,4-dioxane and other industrial chemicals to identify and mitigate potential exposure risks. CSC offers testing, monitoring, consulting and training services to protect workers and help businesses comply with health and safety regulations. CSC also recently sponsored an educational video about 1,4-dioxane and occupational exposure hazards that can be seen below:

1,4-Dioxane and Potential Occupational Exposure Risks

To learn more about this or other industrial hygiene, indoor air quality, building science, environmental, health and safety services, please visit www.csceng.com, email csc@csceng.com or call (800) 807-1118.

About Clark Seif Clark: CSC was established in 1989 to help clients in both the public and private sectors address environmental issues. CSC is a leading provider of these services with multiple offices along the western seaboard and southwest. The company believes in science-based protocols and has a strong background in engineering making them the preferred environmental consultants to healthcare facilities, architects, schools, builders, contractors, developers and real estate professionals.