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The term immediately dangerous to life or health (IDLH) is defined by the US National Institute for Occupational Safety and Health (NIOSH) as exposure to airborne contaminants that is "likely to cause death or immediate or delayed permanent adverse health effects or prevent escape from such an environment." Examples include smoke or other ...
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Many teachers have made it known what they want: Staff members should be allowed to show their tattoos in school, and the dress code should be modified so they can wear jeans any day of the week ...
Medicine portal; This article is within the scope of WikiProject Medicine, which recommends that medicine-related articles follow the Manual of Style for medicine-related articles and that biomedical information in any article use high-quality medical sources.
In firefighting, the policy of two-in, two-out refers to United States Occupational Safety and Health Administration (OSHA) policy 29 CFR 1910.134(g)(4)(i). [1] The respiratory protection standard requires that workers engaged in fighting interior structural fires work in a buddy system; at least two workers must enter the building together, so that they can monitor each other's whereabouts as ...
School districts are obligated by law to make a proposal for services to the parent. If an agreement cannot be reached, the school district cannot delay in providing the services which it believes are the best services to ensure that the student receives an effective educational program. [citation needed]
An extended day program is a before or after-school voluntary program held typically in an elementary school for students whose parents work beyond school hours, since records show that 65 percent of working parents work until 5:30 p.m or longer.
In toxicology, the median lethal dose, LD 50 (abbreviation for "lethal dose, 50%"), LC 50 (lethal concentration, 50%) or LCt 50 is a toxic unit that measures the lethal dose of a given substance. [1]