LABORATORY RULES AND REGULATIONS

true

Fire extinguishers are designed for putting out small fires only. (true/false)

A - ordinary combustibles, B - flammable liquids, C - live electrical equipment, D - combustible metal, K - commercial cooking equipment

letter rates of fire extinguishers

at least 15 minutes

Use an emergency shower immediately if your skin is exposed to a hazardous chemical. Immediately flush the affected area with copious quantities of water for ___________. Protect the eyes from inadvertent contamination. Remove contaminated clothing, jewelry, and shoes. Don't let modesty slow you down. Every second counts. Use a clean lab coat to provide the victim with privacy and warmth. Seek medical attention immediately.

at least 15 minutes; rotate

šUse the emergency eye wash immediately if your eyes are exposed to a hazardous chemical. Immediately flush eyes for ________. Keep the eyes open and _____ the eyeballs in all directions to remove contamination from around the eyes. An injured person may need help holding the eyelids open. Seek medical attention immediately.

Personal Protective Equipment

PPE stands for?

Nylons; melt

Attire: Wear a lab coat, cover legs (no shorts or skirts) and feet (no sandals or open-toed shoes), confine loose clothing and long hair. ____ and/or pantyhose are not recommended because they may ____ upon contact with acid.

true

Persons who wear contacts must use the same eye protective equipment as persons who do not wear contacts or better do not wear contacts at all. (true/false)

full-face shields or face shields

______ must be worn when conducting a procedure which may result in a violent reaction. —- with bottom caps to protect the neck are preferred because they provide the best protection.

gloves

_______ are essential when working with hazardous substances. The —— will prevent skin absorption, infection or burns. ——- materials vary in effectiveness in protecting against chemical hazards. When inserting tubing into stoppers, lubricate tubing and wear leather gloves to protect hands from being cut in the event of the tubing slipping and breaking.

fume hood

Respiratory protection: Work in a ____ or provide adequate ventilation when working with materials that produce hazardous vapors or fumes. If the use of a respirator is required, you must comply a medical assessment, fit testings, and instructions on proper use.

true

Clean up solid and liquid spills immediately. To know how to response to spills and other hazard information of chemicals, better to READ first its Safety Data Sheet (SDS) before dealing with it. (true/false)

Safety Data Sheet; Globally Harmonized System

what do SDS and GHS stand for?

true

Take containers to the stock of chemicals. Do not bring stock chemicals to your laboratory table. (true/false)

true

Never return unused chemical to a stock bottle. It must be discarded. (true/false)

never in sinks

šChemicals (solid/liquid) shall be disposed of in designated containers, ______.

pull the pin, aim, squeeze, sweep

PASS in fire extinguisher usage means?