Hazard symbol

Safety in the science classroom involves weighing the potential risk factors of an experiment against the educational value, teacher and student should have a full understanding all the potential hazards of the materials, the experiment, and the equipment used. Safety concerns and potential hazards should be addressed prior to engaging in any laboratory activity and documented in the lesson plan. Students should be aware of the emergency contact sheet with phone numbers that is attached to the classroom phone. Exit plans and alternative exit paths for the lab area should be established and rehearsed with the students. The location of emergency shut-offs for the gas, water and electricity should be clearly marked and their purpose explained to the students. The aquarium and terrarium found in the classroom will be require regular maintenance and daily care. A check list to address the daily and weekly tasks to care for each biome must be produced. While the care and feeding can be assigned to students, the teacher must maintain responsibility and supervise them. The custodial staff should be given instructions for the care and feeding of the animals when school is out for extended periods. The aquarium contains includes freshwater fish, small snails, and elodea (a water plant). According to care…

Question#1 “Signal words are a single word used to place emphasis on the relative level of hazard and alert the reader to a potential hazard they may encounter” (Haight, 2012, p. 114). The signal words used are danger, warning, caution, and notice. Danger “Danger indicates a hazardous situation which, if not avoided, WILL result in death or serious injury” (Haight, 2012, p. 114). Example: MIL-PRF-680, Type II Warning “A warning indicates a hazardous situation which, if not avoided, COULD…

Figure 5:Harmful symbol Harmful A substance that may cause harm in some way. Figure 6:Irritant symbol Irritant This substance may cause irritation to the skin, eyes or inside the body. Figure 7:Toxic symbol Toxic A substance that is poisonous if swallowed or breathed in. Also it can go through the skin. …

A terrorist attack could be potentially as low tech as a shoe bomb or a well thought out plan such as the hijacking of aircraft that caused the 9/11 attacks in New York. The wide spectrum of hazards for a terrorist event range from Weapons of Mass Destruction (WMD), explosives, and a combination of hazards (WMD with an explosion of a factory or facility with harmful chemicals). Federal and State laws have ensured that hazardous chemicals and items that are transported or produced are properly…

fitted with automatic door closers to the hydraulically spring operated type in the case of the spring door of fire rope and weight type in the case of sliding door. 3. Emergency exit signage (Exit sign) Exit sign is a device in a public facility denoting the location of the closest emergency exit in case of emergency such as fire. All buildings require exit signs to be permanently lit. Exit sign must be designed to be easily understandable to anyone. For the colour and design of the sign, the…

Safety Data Sheets (SDS) is required by Hazard Communication Standards to be issued by any chemical producers to explain the threats and menaces the chemicals pose on the users. The chemical focused on today is Ethidium bromide. The purpose of this is to learn and familiarize oneself with safety data sheets in order to understand the hazards and protective precautions needed to be taken while handling a certain chemical (in this case: ethidium bromide). III. Data The 16 sections of the SDS…

divested by tropical storms and flooding, HAZMAT related emergencies are a close second. In Virginia Beach, VA hazard risk are delineated into four categories: Critical Hazard – High Risk, Critical Hazard – Moderate Risk, Noncritical Hazard – Low Risk, and Negligible. HAZMAT is considered a Critical Hazard – Moderate Risk. Weapons of mass destruction (WMD) or chemical spill, such as arsenic trichloride create devastation, which are potential HAZMAT incidents. Since the “U.S. Department of…

to create new brain cells (Bradberry). Keeping calm when studying for a test will benefit student’s memories. When I am stressed about a big test the next day, remaining calm keeps me focused and allows me to recall the information later. Working under pressure is much easier when staying calm; taking a few deep breaths to calm myself down always helps me work more efficiently and allows me to remember better. Take Few Risks Playing it safe and not frequently taking big risks also relates…

WHAT IS IN THE PROGRAM? This is a survivalist guide to prepare you for an end that would be brought about by an EMP blast. In the program you get information about protecting yourself from the effects of an EMP blast. - Cain outlines the five electrical devices you would need after such a blast and how you can build Faraday Cage to protect these devices. - You get tips on the essential medicines that you should have in your first aid kit. - Tips on protecting things like your car battery. …

The public sector has many responsibilities when it comes emergency management. In an effort to understand how law enforcement, fire department, and other public safety officials can strengthen emergency management, each phase must be discussed. Mitigation is defined as the effort to reduce loss of lives, property, and decrease the effect of a disaster. During this phase the public sector faces the challenges of mainly providing increased public safety. For instance, conducting a threat analysis…