13Personal Protection Equipment (PPE) Eye ProtectionEveryone in the laboratory, including visitors, must wear chemical splash goggles (not safety glasses or spectacles) at all times, even when not performing a chemical operation
14Personal Protection Equipment (PPE) Eye ProtectionNormal prescription eyeglasses do not provide appropriate laboratory eye protectionContact lenses cannot provide adequate protection in any environment in which an accidental chemical splash can reasonably be expected
15Personal Protection Equipment (PPE) Face ProtectionWhen necessary, appropriate laboratory bench shields and use face shields wide enough and long enough to protect your neck and ears must be used
16Personal Protection Equipment (PPE) ClothingClothing worn in labs shouldoffer protection from splashes and spills;be easily removable in case of accident;be at least fire resistantNon flammable, and nonporous lab aprons are better than lab coats
17Personal Protection Equipment (PPE) ClothingIf a lab coat is used instead of an apron, it should have snap fasteners rather than buttons so it can be easily removed
18Personal Protection Equipment (PPE) Clothingwear shoes with uppers made of leather or polymeric leather substitute.Do not go barefoot or wear sandals.Do not wear shoes that have high heels or open toes, uppers made of cloth, woven leather strips, or other woven material.
19Personal Protection Equipment (PPE) ClothingShorts, cutoffs, and miniskirts unnecessarily expose your skin to potential corrosives and are not safe.Constrain long hair and loose clothing.
20Personal Protection Equipment (PPE) ClothingConstrain long hair and loose clothing (e.g. شماغ).
21Personal Protection Equipment (PPE) ClothingDo not wear jewellery (e.g. rings, bracelets, and wristwatches )jewellery can be damaged by chemical fumes and spillsChemical seepage in between the jewellery and skin can put corrosives in intimate contact with your skin
22Personal Protection Equipment (PPE) ClothingWearing jewellery increases the risk of harmful electrical shocks if comes in contact with electrical sourcesjewellery also can catch on equipment, causing accidents.
23Personal Protection Equipment (PPE) GlovesGloves are very important in labsGloves come in different types and materials (e.g. latex, neoprene, butyl rubber)Use gloves correctlyAlways check your gloves before each use to ensure the absence of cracks and small holes
25Personal Protection Equipment (PPE) GlovesTo avoid unintentionally spreading chemicals, remove your gloves beforeleaving the work areahandling such things as telephones, doorknobs, writing instruments, laboratory notebooks, and textbooks
26Personal Protection Equipment (PPE) GlovesBe aware that no glove material can provide permanent protectionIf a chemical diffuses through a glove, it is then held against your skin and you could receive more exposure than if you hadn’t worn a glove at all
27Personal Protection Equipment (PPE) GlovesDo not reuse gloves (such gloves should be should be treated as hazardous waste)
35Lab Safety Symbols Found in your textbook GlasswareHeatEye and FaceSharpsElectricalAnimalChemicalFire
36Other Chemical Hazards and Symbols FlammableExplosiveToxic/PoisonIrritantCorrosiveEnvironmental
37Chemical Hazard Symbols and Definitions Flammable – Any substance that will burn if exposed to an open flame.Explosive – A substance that may explode if exposed to heat or flame.
38Chemical Hazard Symbols and Definitions Toxic/Poison – A substance that can lead to death if inhaled, ingested, or absorbed by the skin.Corrosive – A substance that can destroy or burn living tissue and can eat away at other materials.
39Chemical Hazard Symbols and Definitions Irritant - A substance that causes inflammation upon contact with skin or mucous membranes.Environmental - Substances that are harmful to the environment. They must be disposed of properly, not washed down the drain.
40Laboratory Rules No eating or drinking in labs Do not enter stockroom or back hallsClean up after yourself
41Laboratory Etiquette Clean your personal workspace after use Wipe down benches with disinfectant before and after use.Ensure that no trash is left behindNo trash in the sinksPush in chairs