Ontario Regulation 347: Medical Waste Rules for Canadian Clinics

Understanding Ontario's Biomedical Waste Regulatory Framework

Ontario Regulation 347 (General — Waste Management) under the Environmental Protection Act is the primary regulation governing medical waste management in the province. For healthcare facilities operating in Ontario — hospitals, long-term care homes, independent health facilities, dental clinics, and medical laboratories — compliance with O. Reg. 347 is not optional. Non-compliance can result in orders, fines of up to $50,000 per day for individuals and $100,000 per day for corporations, and in serious cases, prosecution under the Environmental Bill of Rights.

This guide breaks down the key requirements of Ontario Regulation 347 as they apply to medical waste, with practical compliance strategies for facility managers and procurement professionals.

What Ontario Regulation 347 Defines as "Biomedical Waste"

Under section 1 of O. Reg. 347, biomedical waste is defined as waste that consists of:

• Anatomical waste: Human tissues, organs, body parts (excluding teeth, hair, nails, and extracted teeth), and surgical specimens.
• Non-anatomical waste: Blood and blood products, sharps (needles, syringes, scalpel blades), laboratory waste (cultures, specimens), and animal waste from research.
• Contaminated waste: Materials that have come into contact with blood or body fluids and are clinically assessed as posing a risk of disease transmission.
• Dialysis waste: Tubing, filters, and disposable supplies from hemodialysis procedures.
• Isolation waste: Waste from patients in isolation with communicable diseases.

Importantly, the regulation explicitly excludes domestic waste from patient rooms, uncontaminated packaging, office paper, and construction debris — though these must still be managed in accordance with general waste provisions.

Packaging and Labeling Requirements

O. Reg. 347 specifies detailed packaging standards for biomedical waste. Key requirements include:

• Primary containers (bags): Must be impermeable, tear-resistant, and colored red, orange, or yellow depending on waste type. Minimum thickness of 0.08 mm (approximately 2 mil) is generally expected, though the regulation focuses on functional criteria (leak-proof, puncture-resistant) rather than prescribing exact mil specifications.
• Secondary containers: Bags must be placed in rigid, leak-proof outer containers (carts, bins, or corrugated boxes) for storage and transport.
• Labeling: Each bag and outer container must display the universal biohazard symbol and the words "BIOMEDICAL WASTE" or the French equivalent "DÉCHETS BIOMÉDICAUX." Outer containers must also show the generator's name and address.
• Sharps containers: Must be puncture-resistant, leak-proof, and closable. Containers must display the biohazard symbol and be replaced when filled to the marked fill line (typically three-quarters full).

CliniEco Medical's medical waste management collection includes compliant biohazard bags, sharps containers, and labeling products designed to meet Ontario regulatory standards.

Storage Requirements

Ontario Regulation 347 imposes strict storage limits on biomedical waste generators:

• Indoor storage: Biomedical waste may be stored at the generating facility for a maximum of 7 days without a certificate of approval for a waste disposal site. Storage areas must be secure, accessible only to authorized personnel, and clearly marked.
• Refrigeration: If biomedical waste is stored for more than 7 days (requires a provisional certificate), it must be refrigerated at or below 4°C. Anatomical waste not destined for incineration must be refrigerated or frozen within 24 hours.
• Outdoor storage: Not permitted for biomedical waste under O. Reg. 347 unless the facility holds a specific Environmental Compliance Approval (ECA) for that purpose.

Facilities should establish pick-up schedules with their licensed waste hauler that align with the 7-day storage limit. For high-volume generators, twice-weekly pick-ups are recommended to avoid accumulation.

Treatment and Disposal Requirements

The regulation prescribes approved treatment methods for biomedical waste:

• Steam sterilization (autoclaving): Acceptable for non-anatomical biomedical waste. Must achieve minimum temperature of 121°C at 15 psi for 30 minutes (or validated equivalent). Biological indicator testing must be conducted at least monthly.
• Incineration: Required for anatomical waste and cytotoxic/pharmaceutical waste. Incineration facilities must hold a valid ECA and comply with Ontario's air emission standards under O. Reg. 419/05.
• Alternative technologies: Microwave, chemical, and other treatment systems may be approved on a case-by-case basis through the ECA process.

After treatment that renders the waste non-infectious, treated biomedical waste may be disposed of as general solid waste at a licensed landfill — provided it no longer exhibits any characteristics of biomedical waste. Documentation of treatment (autoclave logs, biological indicator results) must be retained for a minimum of 2 years.

Record-Keeping and Manifest Requirements

Ontario Regulation 347 requires generators to maintain a waste tracking system:

• Waste manifests: Each shipment of biomedical waste shipped off-site must be accompanied by a waste manifest (Form 5 under the regulation). The manifest must include the generator's name and address, waste type and quantity, the receiver's name, and the treatment method.
• Annual reports: Large-quantity generators (producing more than 1,000 kg of biomedical waste per month) must submit annual reports to the Ministry of the Environment, Conservation and Parks (MECP).
• Record retention: Manifests and treatment records must be retained for at least 2 years from the date of shipment or treatment.

Compliance Checklist for Ontario Healthcare Facilities

Use this checklist to assess your facility's compliance with Ontario Regulation 347:

• ☐ All biomedical waste is stored in approved red, orange, or yellow bags meeting the regulation's specifications.
• ☐ Each waste bag displays the biohazard symbol and "BIOMEDICAL WASTE" label.
• ☐ Bags are placed in rigid, leak-proof outer containers labeled with generator information.
• ☐ Indoor storage does not exceed 7 days without provincial approval.
• ☐ Anatomical waste is refrigerated within 24 hours pending disposal.
• ☐ All regulated waste is transported using a licensed biomedical waste carrier.
• ☐ Current waste manifests are maintained for all off-site shipments.
• ☐ Autoclave biological indicator testing is conducted monthly and results documented.
• ☐ Staff handling biomedical waste receive annual training on O. Reg. 347 requirements.

For additional information on medical waste compliance across different provinces, explore the Medical Supply Guide blog for articles on waste management standards in Alberta, British Columbia, and other Canadian jurisdictions. CliniEco's waste bags collection offers compliant products sized and color-coded for Ontario healthcare facilities.

Related Products

• CliniEco PLA Biodegradable Waste Bags — 24×32 inch, 50-Pack
• CliniEco Medical Nitrile Gloves — 4mil Standard, Blue, 100-Pack

Frequently Asked Questions

What counts as biomedical waste under Ontario Regulation 347?

Under section 1 of O. Reg. 347, biomedical waste includes anatomical waste (human tissues, organs, body parts, surgical specimens) and non-anatomical waste (blood and blood products, sharps such as needles and scalpel blades, laboratory waste that may contain pathogens, and other waste contaminated with blood or body fluids). Extracted teeth, hair and nails are explicitly excluded. Facilities should classify waste at the point of generation and use the correct containers, such as red biohazard bags that meet leak-proof requirements, before it leaves the clinical area.

What are the penalties for not following Ontario Regulation 347?

Non-compliance with O. Reg. 347 under the Environmental Protection Act can result in orders, fines of up to $50,000 per day for individuals and $100,000 per day for corporations, and in serious cases prosecution. Provincial officers can also issue compliance orders that stop waste movement until the issue is fixed. For procurement teams, the practical risk is that an unapproved waste bag or hauler creates a documented compliance gap that an inspector can cite.

Do dental clinics in Ontario have to follow O. Reg. 347?

Yes. Dental clinics, independent health facilities, medical laboratories, long-term care homes and hospitals all generate biomedical waste under O. Reg. 347. Sharps (including anaesthetic needles), extracted tissue and blood-contaminated items must be segregated and packaged according to the regulation. Clinics should confirm their waste hauler is licensed and that biohazard bags and sharps containers meet the provincial packaging requirements.

Where can Ontario facilities buy biohazard bags that meet O. Reg. 347 requirements?

Ontario facilities can source compliant red biohazard bags from CliniEco Medical, including the 30-gallon leak-proof bags used for non-sharp biomedical waste. For a full compliance review, pair the bags with a licensed waste hauler and keep manifests and segregation records on file, since the regulation requires documentation as well as correct packaging.