Sylvie Willis
Removing fuel oil from an underground tank is a potentially dangerous task that requires careful work and measurements. Before removing the tank, it must be closed, cleaned, and checked for leaks. The removal process often involves using a fuel transfer pump to extract the fuel oil, which can then be reused, donated, or disposed of. Due to the hazardous nature of the task, it is recommended to hire a qualified professional with pollution liability insurance to carry out the removal, particularly as the cost of remediation for leaks can be exorbitant.
Characteristics and Values Table for Removing Fuel Oil from an Underground Tank
| Characteristics | Values |
|---|---|
| Removal Danger | Underground tanks are a major environmental hazard and must be removed by a certified professional. |
| Cost | The EPA estimates UST removal costs from $10,000 to over $1 million, averaging $130,000. |
| Inspection | Tanks should be inspected at least annually. |
| Removal Process | Heavy machinery is used to dig up and remove the tank. |
| Soil Contamination | Soil must be evaluated for contamination before disposal. |
| Disposal | Old tanks are hauled to approved hazardous waste sites for treatment and eventual scrap sale. |
| Registration | Most states require USTs to be registered, and some require regular inspections. |
| Leak Detection | Modern tanks have leak detection systems, but signs of a leak include increased fuel consumption, dying vegetation above the tank, and an oily sheen on nearby water. |
| Fuel Transfer | Fuel transfer pumps are used to remove fuel from tanks. |
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What You'll Learn
Use a fuel transfer pump to remove the oil
Removing fuel oil from an underground tank requires careful handling and the use of appropriate equipment. Here is a step-by-step guide on how to use a fuel transfer pump to remove the oil:
Firstly, it is important to determine the amount of fuel in the tank. This can be done by using a long stick with clear tubing attached, slowly dipping it into the tank. By observing the level of fuel on the stick, you can estimate the quantity of fuel remaining. Alternatively, if there is a straight shot down the filler neck, dropping a string with a nut attached can help gauge the depth and volume of fuel.
Now, let's discuss the fuel transfer pump process. You can use a fuel transfer pump with a long hose attached. Place the hose into the tank and manually pump the fuel out. Ensure you have a suitable container to collect the fuel. This method is similar to how you would manually pump fuel from a 55-gallon drum.
If you're looking for a quicker option, consider renting a diaphragm pump (Sandpiper Pump) that can safely handle flammable liquids. A 1" pump with a 60-90 psi air supply can empty a tank in less than 20 minutes.
For a more cost-effective solution, a cheap electric fuel pump from an auto parts store can be plumbed into the line and connected to a 12-volt battery. This method is slower but will get the job done without incurring high costs.
Additionally, if you have access to an air compressor, you can seal the vent pipe with your hand while someone in the basement operates the compressor to fill the container.
Remember, it is essential to exercise caution when dealing with fuel oil, as it can pose environmental and safety hazards. Always follow local regulations and guidelines when handling and disposing of fuel oil.
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Dispose of the oil safely
Before disposing of an underground oil tank, it must be closed and taken out of service. This involves removing any remaining oil inside the tank and in connected pipelines. The tank is then cleaned to ensure no oil is left and no harmful vapours can be produced.
Once the tank is empty, you have several options for disposing of the oil safely. You could donate the oil to a neighbour, family member, or friend who uses heating oil. If the oil has been sitting for a long time, be aware that kerosene has an expiration date of 18 months to 2 years.
If you are unable to donate the oil, you can transfer it into drums or a new tank. Be careful when transferring oil into drums, as a 25-litre drum will fill up quickly. You can use a fuel transfer pump to move the oil, which can be purchased online or from a local hire store. Most fuel transfer pumps are portable and can be attached to a car or leisure battery for power.
If you are unable to donate or transfer the oil, you will need to dispose of it properly. Do not pour the oil down the drain or into the ground, as this can cause environmental contamination and is illegal in many places. Instead, contact your local waste management facility or a hazardous waste disposal company to dispose of the oil safely and in accordance with local regulations.
In some states, there are programs to help cover the cost of removal, particularly for homeowners who have upgraded to heat pumps. For example, New Hampshire has a program to assist with the removal of underground oil tanks. Check with your local government or waste management authority to see if there are any similar programs in your area.
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Remove the tank with heavy machinery
Removing an underground fuel oil tank is a complex process that requires careful planning and execution to ensure safety and compliance with local regulations. Here is a step-by-step guide detailing the process of removing the tank with heavy machinery:
Prepare the Work Area:
Before starting the removal process, it is crucial to establish a safe work area. This includes setting up proper signage, barricades, or fencing to restrict access to unauthorised personnel. Ensure that all necessary permits and approvals are in place, and notify nearby residents or businesses of the upcoming work to avoid any inconvenience.
Extract the Fuel Oil:
Prior to excavating the tank, it is essential to remove the fuel oil inside it safely. Contact a professional removal contractor who will use specialised equipment, such as an explosion-proof pump, to extract the reusable oil from the tank. This step is crucial for preventing environmental contamination and ensuring that the oil can be properly disposed of or recycled.
Excavate the Underground Tank:
Using heavy machinery, such as backhoes or excavators, carefully dig around the underground tank to expose it completely. Ensure that the machinery operators are experienced and qualified to work in confined spaces and around potential hazards. The excavation process should be supervised by professionals who can guide the machinery operators and ensure the safety of nearby structures and utilities.
Lift and Transport the Tank:
Once the tank is exposed, specialised lifting equipment, such as cranes or hoists, can be used to lift it out of the ground. Ensure that the lifting equipment has the necessary capacity and that the tank is securely attached to prevent accidental drops or spills. Transport the tank to a designated area where it can be safely cleaned, decommissioned, or prepared for disposal.
Dispose of the Tank Properly:
Underground fuel oil tanks are considered hazardous waste and must be disposed of properly. Qualified contractors will haul the old storage tank to approved hazardous waste sites. These sites are equipped to treat and recycle the tank materials, ensuring that they do not pose a risk to the environment. Make sure to follow all local regulations and guidelines for the disposal of underground storage tanks.
Restore the Excavation Site:
After the tank has been successfully removed, refill the excavation site and restore the area to its previous condition. This may involve backfilling the hole, compacting the soil, and landscaping the area to match the surrounding terrain. Ensure that any contaminated soil or materials excavated are also properly disposed of at approved hazardous waste facilities.
It is important to note that the removal of underground fuel oil tanks is a complex and potentially dangerous process. It is always recommended to consult with certified professionals who have the necessary expertise, equipment, and permits to ensure a safe and compliant removal process.
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Call a professional for help
Removing fuel oil from an underground tank is a complex and potentially dangerous process that requires careful work and measurements to be done correctly. It is highly recommended that you call a professional for help.
Firstly, it is important to note that fuel oil is extremely toxic and flammable, so removal should be left to professionals. There are companies that specialize in this work and have the necessary equipment, licenses, and insurance to handle the removal safely and properly.
Before contacting a professional, you should ensure that your underground tank is completely closed and taken out of service. This includes removing any remaining oil from the tank and connected pipelines. A professional removal contractor can extract the reusable oil from your tank using a special explosion-proof pump, ensuring that it is properly filtered and reused or disposed of.
Once the oil has been removed, the tank must be thoroughly cleaned to prevent any harmful vapors from being released. A professional will have the expertise and equipment to ensure that the tank is properly cleaned and does not pose any environmental or safety hazards.
After the tank is closed, cleaned, and inspected for any signs of leaking, the next step is to bring in heavy machinery to dig up and remove the tank. This process requires careful excavation to avoid any potential hazards. Professionals will also evaluate the surrounding soil for contamination and ensure that the hole is properly patched up with new grass and foliage.
The cost of removing an underground storage tank can vary depending on the degree of contamination, local clean-up standards, and other factors. It is recommended to contact multiple professionals to get quotes and understand the process they will undertake to ensure the work is done correctly and safely.
In summary, removing fuel oil from an underground tank is a complex and hazardous process that should be left to professionals. By calling a professional, you can ensure that the work is done safely, properly, and in compliance with any local regulations.
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Look out for signs of a leaking tank
Underground oil tanks can be dangerous if they start to leak, so it's important to know the signs of a potential rupture. One of the first things you might notice is an increase in your heating bill, even in the summer months when you don't need as much heating. If your oil tank is leaking, the amount of oil you're using will be higher than normal.
Another sign of a leaking underground oil tank is dead vegetation in the area around the tank. As toxic materials seep into the ground, they poison anything that would normally grow. If you notice that plants are dying in the vicinity of your oil tank, this could be a sign that it's leaking, and you should act fast to protect the local environment and water supply.
You might also notice an oily sheen on the surface of water near your home, such as in ponds or streams. This type of contamination is very dangerous and should be addressed immediately. If you see an oily sheen on the water, contact a professional inspector right away.
Underground oil tanks are often made of steel or similar metals, which can corrode over time due to exposure to moisture in the soil or corrosive byproducts generated within the tank. As a result, older tanks may be more prone to cracking and leaking. If you have an older tank, it's important to have it checked for corrosion and structural integrity. Movement of the ground beneath or around the tank can also cause leaks, as can inclement weather such as heavy rain or snow, which creates hydrostatic pressure that can lead to a rupture.
If you notice a strong, pungent smell similar to diesel fuel, this could be a sign of an underground oil tank leak. The volatile compounds in oil can evaporate and create a distinct vapour that may cause headaches, nausea, and other health problems if inhaled over a prolonged period. If you smell oil, contact a professional inspector immediately.
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Frequently asked questions
There are several signs that your underground fuel oil tank may be leaking. These include an increase in fuel consumption despite stable weather, vegetation above the tank beginning to die, a shiny, oily sheen on water near the tank, an odour of heating oil in your house, or changes in the hue, taste, or smell of your water supply.
Leaking underground fuel oil tanks can cause serious problems and require immediate attention. Contact a professional as soon as possible to address the issue and begin the removal process.
Removing fuel oil from an underground tank should be done with caution and is best left to professionals. The process typically involves using a fuel transfer pump with a long hose to manually pump the fuel out. Ensure you have drums suitable for heating oil to collect the fuel. Alternatively, you can donate the oil to someone who can use it.
