Gas cylinders: A ticking time bomb?

The gas cylinder explosion at the residence of Nepali Congress lawmaker Chandra Bhandari has once again brought to light the risks associated with such cylinders. Lawmaker Bhandari has suffered burns in the fire that erupted after the blast at his house in Buddhanagar on Wednesday, whereas his mother Harikala  Bhandari (86), who suffered 70 percent burns, died in the course of treatment at the Kirtipur Hospital on Thursday. Lawmaker Bhandari, who suffered 25-30 percent burns, was airlifted to Mumbai for treatment on Thursday after the hospital recommended his transfer to a foreign medical institution with better medical facilities, citing a worsening condition of the injured and lack of specialized treatment in Nepal. As for the reasons behind the burns, the hospital said in a press release: “Hot air and smoke probably caused inflammation in their windpipes.”

At Tulsipur (Dang) on Thursday, two persons sustained burns in a gas cylinder explosion.

On January 16, 2019, one woman died and four sustained injuries when a gas cylinder went off at Deep Jyoti in Tokha municipality-9, Kathmandu. While on November 6, 2021, a gas cylinder explosion at Mangal Bazaar claimed four members of a family while they were preparing food. Nepal Police data suggest that most of such explosions have occurred at homes.  The records suggest that 10 such incidents were reported from across the country in the fiscal 2020-2021, which killed three people and left 10 injured. Of the 10 places where the blasts occurred, eight were homes, a shop and a workshop each. “The leakages and explosions are happening because a lot of people in the cities use gas cylinders for cooking in the households,” says Shree Krishna Thapa, program manager at Burns Violence Survivors Nepal. These incidents have set off alarm bells, bringing safety issues to the fore. As for risk reduction measures, experts suggest that the government should regulate the safety status of gas cylinders and monitor the market regularly to reduce chances of blasts and death/injuries in such incidents. Hydraulic tests necessary Experts point that gas-bottlers supplying low-quality cylinders are mainly to blame for a growing number of accidents involving the cylinders. “Cylinders are sold in the market without subjecting them to hydraulic tests. Hydraulic tests should be conducted to measure a cylinder’s capacity to withstand pressure as a gas cylinder cannot withstand pressure forever,” says Prof Dr Binay Kumar Jha, Central Department of Chemistry, Tribhuvan University. Life of cylinders decreases because of damages that occur during their loading and unloading, observes Prof Jha. “The cutting of the foot ring and neck rings of the cylinders, and welding also decrease the cylinder’s capacity to withstand pressure. Tampered cylinders should be immediately destroyed.” LPG regulation The Liquefied Petroleum Gas (LPG) Regulation 2065 states that a cooking gas cylinder should be subjected to hydraulic tests after it is 10 years old. Such tests should be conducted every five years thereafter. The regulation clearly mentions that repaired cylinders, cylinders welded after cutting the foot-ring and neck-ring or containing oily substance in the valve should be smashed or crushed. The gas cylinder used for refilling the cylinders should clearly bear the name of the cylinder manufacturer and its logo, the name of the gas filling industry name and its logo, hydrostatic tests conducted, working or test pressure, weight of the cylinder without gas, capacity of water, weight of gas filled in the cylinder, and the date of testing. The gas depots should not sell the gas cylinders which do not have proper weight, or the cylinders from which the gas is leaking, or the damaged cylinders. Those cylinders should be marked with a special symbol and so be separated, the regulation points. If the gas used for the domestic or business purpose is differentiated by weight and color, then the gas cylinders for domestic purpose should not be sold for business purposes. But the regulation remains on paper. Consumers need to be aware Despite the regulation, cylinders that would not pass the safety standards are circulating in the market. “We can see a lot of cylinders that are very old. The government and the LPG bottlers are not serious about their quality,” points Madhav Timalsina, president of Consumer’s Right Investigation Forum. The cylinders, stoves, regulators and pipes should have quality. “The government should take immediate action to control the supply of low-quality cylinders. Otherwise, these ‘bombs’ in our homes may explode anytime,” says Timalsina. Consumers also need to be aware while using LPG cylinders, consumer activists say. Don’t switch lights Any ignition source–open flame, electric spark, etc–can ignite gas in the room and cause an explosion. To prevent electric spark, one must not turn on an electrical device or disconnect it from the wall after detecting the hazard. “Do not turn on or turn off a light switch or other electrical device. Anything electrical may cause a spark and trigger fire if there’s gas leakage. It could be a light switch, candles or matches.” Dr Jha suggests that the government give subsidies to auto sensor and auto cut regulators so that everyone can use it and make mandatory tests for checking the gas regulators. Avoiding burns   LPG cylinders, if not handled properly, can lead to disastrous and fatal consequences. If the gas escapes into a confined space and is ignited, explosion can occur. Following safety precautions should be followed to reduce chances of accidents.

  • The distance between the gas cylinder and stove should be three meters.
  • Windows should be kept open in the event of gas leakage.
  • The regulator knob should be turned off if the cylinder is not in use.
  • Flammables and plastics should not be kept close to gas cylinders and cooking areas.
  • The kitchen should be well-ventilated.
  • Quality rubber tubes and regulators should be used.
  • Cylinders should be stored in a cool, dry and well-ventilated area out of direct sunlight and away from the heat and ignition sources.
  • Electrical appliances near LPG cylinder should be handled properly.
  • The expiry dates of cylinders should be checked. They are marked with an alphabet and a number. The alphabet shows the month and the number shows the year.
  • Do not apply any lubricant, or tape to cylinder valves, fittings or regulators
  • Do not drop or bang cylinders against each other.
  • Leave the cylinder cap in place until the cylinder is secured and ready for use.
  • Make sure that the cylinder is not giving off an odor or making a hissing sound. Never open a damaged valve.
  • Nylon, fleece, silk, polyester, etc clothes are highly inflammable.
  • Keep the body part suffering burns in running water for at least 30 minutes. Rush the victim to the hospital