Title: Gas Safety Protocols ExplainedNarrator: Gas safety protocols are crucial for preventing accidents and ensuring the well-being of workers in various industries. Let's explore some key gas types and their effects on the body.1. LEL (Lower Explosive Limit):- Definition: The lowest concentration of a gas or vapor in the air that can ignite and produce a flame.- Where Found: Commonly associated with flammable gases such as methane, propane, and hydrogen.- Effects on Body: While LEL itself doesn't directly affect the body at lower concentrations, if ignited, it can cause fires or explosions with potential harm.- Levels: Above zero: No hot work. Up to 5%: Cold work only. 5% to 10%: SCBA (Self-Contained Breathing Apparatus) needed.2. H2S (Hydrogen Sulfide):- Definition: A colorless, flammable, and toxic gas.- Where Found: Produced in industrial activities such as oil refining and wastewater treatment.- Effects on Body: Inhalation can cause respiratory irritation, headache, dizziness, and in severe cases, respiratory failure and death.- Levels: PEL (Permissible Exposure Limit): 10 ppm. IDLH (Immediately Dangerous to Life or Health): 100 ppm.3. CO (Carbon Monoxide):- Definition: A colorless, odorless gas produced by incomplete combustion of carbon-containing fuels.- Where Found: Commonly emitted by vehicles or other fuel-burning appliances.- Effects on Body: Binds to hemoglobin in the blood, reducing its ability to carry oxygen, leading to symptoms like headache, dizziness, and potentially fatal carbon monoxide poisoning.- Levels: PEL: 35 ppm. IDLH: 1000 ppm.4. Oxygen:- Definition: A colorless, odorless gas essential for life, used by cells to produce energy through respiration.- Where Found: Present in the Earth's atmosphere about 21% of the air we breathe.- Effects on Body: Necessary for cellular respiration and vital organ function; oxygen deprivation (hypoxia) can lead to shortness of breath to loss of consciousness and death.