PCB Disposal Deadlines and How to Check for Cubicles

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Low-Concentration PCB Checks to Complete by March 31, 2027

The disposal period for low-concentration PCB waste is set by law. As the deadline approaches, demand for surveys, analysis, removal, collection and transportation, and arrangements with disposal facilities is more likely to become concentrated. If your own building or a managed property has old power receiving equipment, start by identifying equipment that has not yet been checked.

• List buildings, cubicles, transformers, and high-voltage capacitors that may be subject to the requirements.
• Separate equipment that has already been analyzed, disposed of, or not yet confirmed.
• For multiple buildings, set priorities based on building age, equipment age, and whether inspection records are available.

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Equipment to check in older cubicles

PCB is an oily chemical that was formerly used in electrical equipment, including as insulating oil. Transformers, high-voltage capacitors, and related electrical equipment may need to be checked. However, this does not mean that every old cubicle contains PCB. Information must be checked for each piece of equipment.

• Check whether there are transformers, high-voltage capacitors, or equipment that uses insulating oil.
• We photograph and record the manufacturer, model, date of manufacture, and nameplate information.
• Inspection records and past replacement history can help narrow down the equipment in question.

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Start by checking the nameplate information

Rather than deciding to dispose of the equipment immediately, we review the nameplate information, manufacturing date, manufacturer information, and inspection records to assess the possibility that it contains PCB. If necessary, we collect insulating oil for PCB concentration analysis. Work inside a cubicle requires safety management, so we coordinate arrangements with the chief electrical engineer and the building management company as well.

• Check the equipment covered inside the cubicle.
• We organize the manufacturer, model, date of manufacture, and nameplate information.
• If needed, we can arrange for insulating oil sampling and PCB concentration analysis.

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What to Do After PCB Is Detected

If PCB is detected above the applicable standard, it cannot be disposed of freely as ordinary industrial waste. Notification, storage, removal, collection and transportation, treatment facilities, and recordkeeping must be handled as separate steps. Facilities that can treat low-concentration PCB are limited, including facilities certified by the Minister of the Environment for detoxification treatment and facilities licensed by prefectures.

• Based on the analysis results, confirm how the waste should be handled as PCB waste.
• We will outline the process for removal, transportation from the site, collection and transport, processing facilities, and notifications and recordkeeping.
• We prepare materials that are easy to explain to property managers, owners, tenants, and head office.

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You can consult us even if you are not yet sure

You can consult us even if all you know is that you have an old cubicle substation, cannot read the transformer model number, or are unsure where to dispose of it after inspection. Misesapo will organize the status of checks for each building and help connect you with consultations about inspection, analysis, removal, collection and transport, and proper disposal.

• We conduct the initial review using photos, inspection records, and the property list.
• For multiple buildings, track properties that have not yet been checked separately from those where work is complete.
• We’ll refer to official information to prepare guidance that avoids misunderstandings.

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Related Official Information

Disposal of low-concentration PCB waste

What is low-concentration PCB waste?

About PCB

How to Identify Electrical Equipment Containing PCB

Notification procedures for equipment and waste containing low-concentration PCBs

For cubicles and PCB waste, it is important to check applicable laws and regulations, disposal deadlines, equipment covered, and treatment facilities. For a final determination, consult the relevant government authority, local government, chief electrical engineer, or specialist contractor.

Official information to help you check the disposal period for low-concentration PCB waste, electrical equipment that may be covered, and the need for early verification.

Learn about the basics of low-concentration PCB waste, PCB concentrations, and equipment that may need to be checked.

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