From Inside Science News Service:
Every school day, more than 5 million students in the United States attend lessons held in modular classrooms. With new carpeting and paint, metal roofs and noisy ventilation systems, they can be a health hazard and make it harder for students to learn.
Modular classrooms often start out as temporary fixtures on school grounds before becoming a permanent part of campus.
A study of all the modular classrooms in California found some common problems in these types of buildings. They are usually newer than the rest of the school's buildings, they tend to have new paint and carpet, which may release toxic fumes for a few years.
Because they are designed to be temporary, modular classrooms tend to develop structural problems such as water leaks or cracks faster than permanent school buildings and are more likely to be outfitted with pressed-wood furniture or vinyl walls which put out unhealthy fumes.
Scientists studying movable classrooms in California looked at dust from the floors and particles in the air inside the classrooms. The dust showed traces of pesticides, arsenic and mold, while the air contained formaldehyde fumes, heavy metals and higher than normal concentrations of pollen and carbon dioxide.
Full article:
http://www.insidescience.org/current_affairs/hidden_risks_of_modular_classrooms
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