Reducing Indoor Chemical Exposure

Reducing Indoor Chemicals

PHOTO © LOOKER_STUDIO

While exposure to outdoor air pollution can make you sick, exposure to indoor pollution is often worse, as studies show we spend most of our time indoors. Wayne R. Ott, Department of Statistics, Stanford University, found that U.S. “persons … spend only about two percent of their time outdoors, six percent of their time in transit, and 92 percent of their time indoors,” concluding: “We are basically an indoor species.”

In addition, classrooms have dense — no reference to intelligence — populations. Per C. Kenneth Tanner, writing for ASBO’s School Business Affairs: “Classroom density may be a more important planning consideration than size. The lower middle range for human social distance is seven feet — not met in most classrooms containing 20 to 25 students.”

Plus, each of the 20 to 26 people in a “dense” classroom releases a mix of chemicals from deodorants, hairsprays or gels, fragrances, fabric treatments, etc.

Add to that the materials, furnishings, cleaners and other substances brought into schools that emit airborne pollutants, and school facilities can become very unhealthy.

Exposure to Chemical Soup

Per the U.S. EPA, there are more than 80,000 chemical substances in legal use under the Toxic Substances Control Act (TSCA). Most of these have not been tested for long-term health risks; and they are most often found in mixtures with other chemicals. The complex “soup” of chemicals in school environments exacerbates sourcing the cause of illness or malaise, and results in applying to unhealthy schools the general descriptor of “sick building syndrome.”

The importance of reducing exposure to synthetic chemicals is reinforced as we’ve learned the “dose makes the poison” adage does not apply to common legal chemicals that affect human hormones in parts per billion (ppb), also known as endocrine disruptors.

Physical, Educational and Fiscal Solutions

Less chemicals = more students and teachers in class, with better health and focus.

A 1997-2001 study at Charles Young Elementary School showed that improving the indoor environment through renovation and healthier cleaning raised attendance from 89 percent to 93 percent along with a “qualitative indication of reduced asthma.”

The Young study noted “a direct connection between healthy school environments, behaviors and attitudes of students, parents and educators; and academic performance and achievement.”

Also, fewer chemicals means lower cost of buying, shipping, storing and handling chemicals. For example, Northern Tioga School District, in Pennsylvania, reduced annual supply costs by $19,883.25 by not buying aerosols and harsh products such as bowl cleaners.

A study led by Mark J. Mendell, Ph.D., MPH, Lawrence Berkeley National Laboratory, and published in the American Journal of Public Health, stated: “Improving building environments may result in ... economic benefits of $5 to $75 billion annually [and] offers enormous potential health and economic returns.”

Thus, preventing exposure to chemicals provides a triple benefit: 1) healthier people, 2) better learning and 3) healthier budgets.

This article originally appeared in the issue of .

Featured

  • Phoenix School District Breaks Ground on New Prep Academy

    The Creighton Elementary School District near Phoenix, Ariz., recently broke ground on a campus replacement for Biltmore Preparatory Academy, according to a news release. The new space will allow the school to expand its enrollment by 50 percent for K–8 students and accommodate modern, collaborative learning styles.

  • S4L Announces 2026 Education Design Showcase Winners

    Spaces4Learning is thrilled to announce the winners of the 2026 Education Design Showcase! Now in its 27th year, the annual awards program honors innovative solutions in planning, design, architecture, and construction across K–12 and higher education.

  • Arizona District Breaks Ground on Community Training, Learning Center

    The Tolleson Union High School District (TUHSD) in Tolleson, Ariz., recently broke ground on a new Training & Learning Center (TLC) for both district professionals and the community at large, according to a news release. The 90,000-square-foot facility has an estimated completion date of spring 2027.

  • Architectural Power for the Modern Campus Landscape

    For generations, an outdoor classroom only required a textbook and a patch of grass. Today, not only has the laptop replaced the printed pages, the rise of agile learning has turned campuses into study halls with students listening to lectures and researching topics from quads, gardens, and plazas. The challenge for architects and facility managers is to provide connectivity without cluttering the landscape with visual eyesores or creating safety hazards with extension cords.