"Uptick in Rattlesnake Bites" The National Park Service has noted an increase in rattlesnake bites in the Yosemite Park region, and asks the public to do the following if snakes are encountered: Keep a distance as rattlesnakes are only able to strike a distance of half their length. Watch where you step or [...]
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The following is a quick reference of incompatibilities for many chemicals commonly encountered in the laboratory. It is not a comprehensive list of all possible combinations and chemicals. For details on any chemical, check the MSDS. Acetic acid with chromic acid, ethylene glycol, hydroxyl compounds, nitric acid, perchloric acid, permanganates, peroxides Acetone with concentrated [...]
It is recommended that all flammable chemicals be kept in an approved flammable liquid storage cabinet when not in use. It is required to store flammable liquids in appropriate storage cabinets when quantities exceed the Total Allowable Quantities. For the purposes of this guidance [...]
Liquid nitrogen is inert, colorless, odorless, non corrosive, nonflammable, and extremely cold. Nitrogen makes up the major portion of the atmosphere (78% by volume). Nitrogen is inert and will not support combustion; however, it is not life supporting. When nitrogen is converted to liquid form it becomes a cryogenic liquid. Cryogenic liquids are liquefied gases [...]
Laboratory self-audits provide an opportunity for departments, faculty, staff and students to foster a culture of safety by focusing on safety topics specific to each research laboratory. It is recommended that laboratories conduct routine audits of the laboratory facility. Self-audits provide a method for laboratories to identify hazards, identify program deficiencies, and correct unsafe conditions [...]
A particularly hazardous chemical is a chemical substance and associated laboratory operation, procedure, or activity considered sufficiently hazardous to require prior approval. The following classes of chemical are considered particularly hazardous: Allergen (Sensitizer): A foreign agent or substance that is capable of causing an immune response in an individual. In most cases, initial exposure results [...]
The following rules should be used for all work involving chemicals. Accidents and Spills: Eye contact: Promptly flush eyes with water for a prolonged period (15 minutes) and seek medical attention. Ingestion: Refer to the Material Safety Data Sheet. Skin Contact: Promptly flush the affected area with water and remove any contaminated clothing. If symptoms [...]
What is a Chemical Hygiene Plan and Standard Operating Procedures? OSHA recognized the need for a regulation that focused on the unique nature of laboratory work; thus, the Laboratory Standard (29CFR1910.1450) was developed. This performance oriented rule is intended to provide laboratories with the flexibility of implementing safe work practices and procedures specific to [...]