The very foundation of our industry’s integrated vegetation management (IVM) principles is the use and safety components of herbicides as a control option for incompatible species These components include implementing, applying, auditing, reviewing, tweaking, and improving the woody control options that make up the dynamic IVM processes to best manage rights-of-way (ROWs).
Herbicides are a tool that helps us use them more precisely in our efforts to safely provide reliable energy and low-growing, compatible species, and sustainable ROWs — when handled and applied safely. It’s not exactly exciting, but the basics can help you better understand this tool and its overall fit in ROW VM.
Herbicide safety dates back decades, but two individuals stand out to me: W.C. Bramble and W.R. Byrnes. This duo conducted a study on behalf of the Pennsylvania Game Commission in the 1950s to determine if a new vegetation management tool (synthetic herbicides) were safe for the state’s game, specifically rabbit hunting. This study became the basis for our industry’s foundation of science — all based on a safety concern.
When it comes to herbicides, safety can be as simple as reading the label, following label instructions, and using the proper personal protective equipment (PPE).
The label is the law. The U.S. Environmental Protection Agency (EPA) supervises the initial data package and labeling of all agricultural chemicals. Each state’s Department of Agriculture is then responsible for enforcing and overseeing their use.
The Occupational Safety and Health Administration (OSHA) Hazard Communication Standard requires labels of hazardous chemicals to contain the following.
- Name, address, and telephone number
- Product identifier
- Signal word
- Hazard statement(s)
- Pictograms
I like to focus on the signal word(s) requirement. OSHA states, “Signal words are used to indicate the relative level of severity of the hazard and alert the reader to a potential hazard on the label.” According to the Administration, there are only two words classified as signal words: danger and warning.
- Danger: Used for more severe hazards
- Warning: Used for less severe hazards
As a reminder, there will only be one signal word on the label — no matter how many hazards a chemical may have. Also, as a rule of thumb, all herbicide labels will advise keeping the product out of reach of children.
Safe Handling
When handling herbicides, remember this equation. Risk = Toxicity x Exposure. The toxicity of an herbicide cannot be changed, but the risk most certainly can be reduced by preventing or minimizing exposure.
In terms of potential exposure, herbicides can enter the body in three major ways.
- Through the mouth (oral)
- Through the eyes and skin (dermal)
- Through the lungs (inhalation)
The highest risk of potential exposure for those of us in vegetation management is through the skin — specifically without PPE. Think below a long sleeve shirt cuff on the hands, then on the pantleg where you’d rub those hands.
Risk vs Risk Perception
When a risk is freely chosen, it is usually assumed acceptable. It takes clarity and focus to reasonably balance risk.
Risks = real risk perception = people’s perceptions. The smoker, the drinker, the fast driver, and the person who takes risks. These people all freely choose to act upon those actions, they don’t think or mind if they’re dangerous.
People who are exposed to that, or do not accept those types of risks from people around them, assume risks as unacceptable. We must be aware of the risk perception in our herbicide use and ROW applications that cross other people’s properties. It’s important to understand our free choice of risk, along with our care and understanding of how to explain this product and tool use to others who may have a certain risk perception.
Understanding Herbicides
It’s easy to visualize the risks involved in mechanical hazards, knowing to act with caution when we use these tools at all times (chainsaws, bucket trucks, jaraffes, etc.). There are known safety practices around each of those tools. Like with any other tool, we need to understand and use herbicides safely.
When using herbicides, remember to take the following precautions.
- Wash hands before eating, drinking, chewing gum, using tobacco, or using the toilet.
- Remove clothing immediately if pesticide gets inside. Wash thoroughly and put on clean clothing.
- Remove PPE immediately after handling this product. Wash the outside of the gloves before removing them. As soon as possible, wash thoroughly and change into clean clothing.
Making Safer Choices
Incidents occur from irresponsible behavior, unsafe behavior, and cutting corners – we need to keep that in mind.
Do we always use maximum safety and care? The answer is no. Why not? Sometimes it’s casual, sometimes it’s ignorance, or sometimes you’re in a hurry.
There are a lot of different excuses, but what we need to focus on is making better choices, being alert, and remaining focused enough to do what is right.
Ultimately, safety must be made easy, labels must be read and followed, the required PPE must be worn, common sense must be used, and we must be safe at all times. By recognizing hazards and understanding the tools and equipment used daily, our industry can mitigate risk and work more safely. This is the bottom line when it comes to how we handle herbicides, use herbicides, and are around herbicides.
Richard Hendler is the integrated vegetation management (IVM) specialist for ACRT Services. With his wide-ranging right-of-way (ROW) knowledge and IVM expertise, along with his deep industry involvement and leadership, he has helped bring new opportunities and successes to utilities throughout the country. He is a past president of the Utility Arborist Association (UAA) and past president of the Oklahoma and Louisiana Vegetation Management Associations. Hendler served as the inaugural president of the Texas Vegetation Management Association, where he was also a recipient of the organization’s Lifetime Achievement Award. Hendler was recently honored with the UAA President’s Award in the summer of 2016. He is an International Society of Arboriculture (ISA) certified arborist and utility specialist. Additionally, he holds a Bachelor of Science in Biology from Tulane University and a Master of Science in Agronomy and Crop Science from Texas A&M University.
