The Department of Environmental Health & Safety (EHS) has free "orphaned" chemicals that are available to all researchers on a "first come, first serve" basis.
Testing your home's drinking water is the only way to confirm if lead is present. Most water systems test for lead at a certain number of homes as a regular part of water monitoring.
Recent chemical spills encourage review of laboratory practices.
On two different occasions, 2.5-liters were dropped and the glass bottle broke to release its contents. Glacial acetic acid and concentrated sulfuric acid were the hazardous materials involved in the incidents.
Exposure to heat, from exertion or hot environments, can cause illness and death. Heat illnesses include heat stroke, heat exhaustion, heat cramps, and heat rashes.