Safety precautions for loading and unloading hazardous chemicals

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I. Safety precautions for loading and unloading hazardous chemicals onto vehicles I. Procedures for entering and leaving the factory premises: Security personnel must strictly oversee the procedures for entering and leaving the factory. All external vehicles must be registered, with the registration forms filled out clearly and in detail; the type of goods and the time of entry/exit must be carefully recorded. It is strictly prohibited to bring any fireworks, flammable, or explosive items into the factory premises in vehicles; vehicles must be signed for by our company’s escort personnel before they can be allowed to enter or leave. II. Upon receiving the notification to conduct weight checking, the personnel responsible for unloading heavy vehicles shall carry out weight checks on those vehicles that need to be unloaded, and strictly adhere to their duties as weight checkers in order to ensure that the company’s interests are not compromised. During weight inspection, carefully verify that the delivery documents match the vehicle to ensure the quality of the products being unloaded. After the heavy vehicle is weighed, in accordance with the principle of \"whoever oversees the weighing is responsible,\" the vehicle should be followed up and unloaded immediately. III. Inspection items for vehicles transporting hazardous chemicals 1 Before loading and unloading, the interior of the tank vehicle must be inspected to ensure that there are no ungrounded floating objects. 2 Loading pipes and tank trucks must be bonded and grounded. 3 When loading from the top, the loading device should extend 200 mm into the bottom of the tank. 4 The use of unenclosed road tankers for transporting light oils is prohibited. 5. Once completed, wait for at least 5 minutes before proceeding with sampling, temperature measurement, dimension checking, and removing the grounding wire. 6 Automotive tank trucks should not be refilled without being cleaned first. 7 The exhaust systems of motor vehicles must be equipped with effective insulation and spark-suppression devices, and the electrical systems must have mechanisms for cutting off the main power supply and isolating sparks ； A signal flag with the words “Hazardous Goods” in black on a yellow background must be hung at the front left of the vehicle. 9 Depending on the nature of the hazardous goods being carried, appropriate firefighting equipment as well as tools for bundling, waterproofing, and preventing spillage shall be provided. IV. Safety requirements before loading and unloading 1. Personnel involved in the loading and unloading of hazardous goods must be familiar with the chemical and physical properties of such goods, as well as the emergency measures to take. 2 When carrying out loading and unloading operations, personal protective equipment must be used correctly. 3 When entering the loading and unloading area, it is prohibited to carry any kind of ignition source. When handling flammable and explosive hazardous materials, it is not allowed to wear work shoes with metal nails or work clothes that can generate static electricity. 4 The tools for covering, tying, and moisture protection that are carried with one must be complete and effective. 5 Special personal protective equipment and tools shall be provided, kept under the custody of designated personnel, regularly inspected, and maintained in good condition. 6 Direct contact with items is strictly prohibited, and eating and drinking are not allowed in production and usage areas. 7 Wear labor protection equipment properly; after completing work, one must change into clean work clothes and wash them before leaving the work site. 8 In areas where toxic substances are present, a certain amount of emergency antidotes should be available. V. Requirements for loading and unloading bulk liquids in tank trucks 1. Operators must not leave their posts during the loading and unloading of hazardous chemicals. If the loading and unloading cannot be completed within the shift, or in case of an emergency that requires the task to be continued by the next shift or another person, it is necessary to provide clear written instructions to prevent any leakage of the materials. 2 When loading and unloading hazardous chemicals, it is necessary to do so gently. Falling, hitting, knocking, dragging, tipping, and rolling are strictly prohibited. 3 When handling items that are toxic or corrosive to the human body, operators should possess basic knowledge of working with such hazardous substances. They must handle them carefully, avoiding collisions and inversion, to prevent the contents from leaking out due to damaged packaging. Operators should wear protective goggles, rubber gloves, and appropriate gas masks or respirators, as well as protective clothing. 4. Eating and drinking are prohibited during the assignment, and one must not use hands to wipe the mouth, face, or eyes. After each task, the face and hands should be washed promptly with soap (or a specialized detergent), the mouth should be rinsed with water, and the protective equipment should be cleaned immediately and stored in a designated place. 5 When handling flammable liquids, anti-static work clothes must be worn, and shoes with metal studs are prohibited. Barreled flammable liquid materials must not be rolled on concrete floors. Various oxidizing agents in barrels must also not be rolled on concrete floors. 6. Oil-stained or contaminated tools, as well as tools that may generate sparks, must not be used for any operations; the work site should be kept away from heat and fire sources. 7 When handling hazardous chemicals, operators must not engage in any activities unrelated to the task; they should concentrate on the process of loading and unloading so that they can take immediate emergency actions in case of any abnormalities. 8 Before starting work, it is necessary to carefully check whether the tools being used are in good condition and reliable. When opening the lids of barrels containing flammable and explosive materials, specialized wrenches made of copper or copper-aluminum alloy should be used. 9 The fire-fighting equipment and first-aid supplies available at the vehicle loading and unloading points within the company must be regularly inspected to ensure they are in good working condition ； In the event of failures or insufficient quantities, it is necessary to report them promptly to the unit or department leaders. 10 One should be proficient in the general methods for dealing with accidents during loading and unloading, as well as in the use of protective equipment and fire-fighting devices. 11 Work requirements for personnel accompanying transport tankers 12 The transportation and loading/unloading of hazardous goods by road must comply with the relevant provisions of the \"Rules for the Transportation of Hazardous Goods by Road\". 13 Personnel engaged in the transportation and handling of hazardous goods must receive training appropriate to their duties in accordance with **relevant regulations, and must work holding a professional operation certificate. 14 Personnel involved in the transportation and handling of hazardous goods must be familiar with their chemical and physical properties as well as the emergency measures to take. 15 When carrying out transportation and loading/unloading operations, personal protective equipment must be used correctly. 16 Before entering the loading and unloading area, a fire shield must be installed; it is prohibited to carry any kind of ignition source. When handling flammable and explosive hazardous materials, it is not allowed to wear work shoes with metal studs or work clothes that can generate static electricity. When 17 vehicles enter the hazardous goods loading and unloading area, the drivers must drive into that area in accordance with the relevant safety regulations. When 18 vehicles are parked near the cargo stacks, they must follow the instructions of the personnel designated for that area, and a safe distance should be maintained between the vehicles and the stacks ； Vehicles awaiting loading or unloading, as well as those used for loading and unloading goods, must maintain a sufficient safety distance from each other and must not block the safety passages. The driver is not allowed to leave the vehicle. 19 During loading and unloading, the vehicle’s engine must be turned off and the main power supply disconnected. When loading and unloading goods on sloped sites, effective measures must be taken to prevent vehicles from sliding down the slope. 20 During loading and unloading, the driver is responsible for supervising the process, and it is important to verify the quantity of goods when handling the handover paperwork. After loading is complete, the driver must check the safety measures such as the stacking, covering, and securing of the goods, as well as any factors that could interfere with the vehicle’s starting. 21 When it is necessary to move the vehicle during loading and unloading, the cabin door or partition should be closed first. If it cannot be closed in place, someone must be present to supervise; the vehicle can only be moved under conditions that ensure safety. Start slowly and stop steadily. 22 It is prohibited to repair vehicles in the loading and unloading area. 23 After dangerous goods arrive at the unloading site and cannot be unloaded promptly for some reason, the crew members shall, together with the escort personnel, be responsible for guarding the goods during the waiting period. 24 Drivers and escorts working at the loading and unloading points must not leave their vehicles without permission to engage in activities unrelated to their work, nor may they enter other areas of the company. 25 When loading and unloading liquid materials, it is essential to secure tightly the connection between the outlet of the transport vehicle’s tank and the hose. During this process, operators must remain at their posts to prevent accidental leaks. It is strictly prohibited to start the vehicle during the loading and unloading of materials. If it is necessary to start the vehicle to unload material on a slope, the outlet valve at the exit of the vehicle’s hopper must be closed and the hose removed. 26 When loading and unloading flammable and explosive materials, and when vehicles need to unload on slopes, the slope handling equipment used must have safety measures to prevent the generation of sparks. 27 When loading and unloading flammable and combustible liquids, it should be done in a cool and well-ventilated area, avoiding such operations in conditions of direct sunlight and high temperatures. 28 When loading and unloading flammable and combustible liquids, operators must ensure that all safety measures are in place, including proper connection of static grounding wires, secure fitting of filling hoses and valves, and proper anchoring of tank trucks. 29 During loading and unloading operations, the vehicle body must first be properly grounded, and sampling for unloading should be carried out after waiting for 2 minutes. 30 After the work is completed, a specified period of downtime is required before tasks such as removing the ground wire can be carried out. 31. During the filling process, constantly monitor the liquid level and pressure in the tank truck, remain at the site, and be ready to handle any emergencies that may arise. 32 The operator must remain at the filling site from start to finish; after the filling is complete, check that all relevant valves are properly closed, and only then may they leave the site. 33 The roads, lighting, signs, fire-fighting facilities, etc., at the site of loading and unloading hazardous goods must meet the conditions for safe handling. The storage tank opening at the loading and unloading site of the tank truck should be marked with a prominent product label ； The height, capacity of the tank filling and discharge ports, as well as the road slope, should be suitable for the loading and unloading requirements of transport vehicles. 34 Before loading and unloading, the tank (vessel) should be inspected, and it must meet the following requirements: 1) The tank (vessel) shall have no leaks ； 2) The tank (tanker) must be free of any residues that could conflict with the goods to be loaded ； 3) The valve must be closed tightly ； 4) The tank (tank container) must be securely fastened to the vehicle body, and the tank (tank container) lid must be airtight ； 5) The discharge conduit must be in good condition, without any damage ； 6) The static discharge device must be in good condition ； 7) During loading and unloading, the operator should stand on the upwind side and closely monitor the feeding process to prevent overflow. 35 After carefully checking the names of the goods, load them according to the vehicle’s approved load capacity, leaving the required extra space for expansion. After loading, close the feed port lid of the tank tightly; overloading is strictly prohibited. 36 During unloading, the product name indicated on the storage tank should match the goods being unloaded. The unloading conduit must be properly supported and fixed, the connection between the unloading conduit and the valve must be secure, and the valve should be opened gradually. 37 During the loading and unloading of goods, operators must not leave their posts. When unloading, all goods inside the tank must be removed completely, after which the valves should be closed tightly, and the unloading pipes and support frames should be put away. 38 It is prohibited to empty the product tank. 39 Sewage discharged from transport vehicles is prohibited from entering sewers.