When considering dangerous goods containers that can store Class 5
(Oxidizing Substances), Class 6 (Toxic Substances), Class 8 (Corrosive
Substances), and Class 9 (Miscellaneous Dangerous Goods) goods under
the guidelines of the HSNO Act 1996 and EPA regulations, the specific
requirements focus on ensuring safety, compliance, and environmental
protection. Here are the key requirements for containers storing these
classes of dangerous goods:

General Requirements for All Classes:

Compliance and Certification:

Containers must comply with relevant standards and guidelines set by
the EPA and international standards (e.g., UN, ADR, IMDG).
Certification ensures that containers meet safety and environmental
protection requirements.

Labeling:
Clear and durable labels indicating the nature of the dangerous goods
stored, including hazard class and UN number.
Labels must comply with the Globally Harmonized System (GHS) of
Classification and Labeling of Chemicals.

Construction Materials:
Containers must be constructed from materials that are compatible with
the stored substances to prevent chemical reactions.
Material selection should consider chemical resistance, strength, and
durability.

Integrity and Maintenance:
Regular inspections and maintenance to ensure container integrity.
Containers must be free from leaks, corrosion, or any damage that could
compromise safety.

Specific Requirements by Class:
Class 5: Oxidizing Substances

1. Material Compatibility:
   • Containers must be made from materials that do not react with oxidizing substances, such as stainless steel, polyethylene, or glass-reinforced plastics.
   • Inner linings or coatings may be required to prevent interaction with the substance.
2. Ventilation:
   • Adequate ventilation to prevent the buildup of oxidizing vapors.
   • Ventilation systems should be non-sparking and corrosion-resistant.
3. Storage and Segregation:
   • Segregation from flammable substances and other incompatible materials.
   • Secondary containment systems to capture spills or leaks.

Class 6: Toxic Substances

1. Material:
   • Non-reactive materials such as high-density polyethylene (HDPE), stainless steel, or lined carbon steel.
   • Materials must be chemically resistant to toxic substances to prevent leakage or contamination.
2. Containment:
   • Secondary containment systems to capture any spills or leaks.
   • Ventilation systems to prevent the buildup of toxic vapors.
3. Security:
   • Secure locking mechanisms to prevent unauthorized access.

Class 8: Corrosive Substances

1. Material:
   • Corrosion-resistant materials such as stainless steel, glass-lined steel, or specialized plastics like fluoropolymers.
   • Inner linings with epoxy or other protective coatings.
2. Containment:
   • Spill containment systems such as bunds or trays made from compatible materials.
   • Proper ventilation to prevent the accumulation of corrosive vapors.
3. Handling:
   • Safe handling procedures and personal protective equipment (PPE) for workers.

Class 9: Miscellaneous Dangerous Goods

1. Material:
   • Depends on the specific nature of the dangerous goods within Class 9.
   • Generally requires versatile materials such as stainless steel or composite materials.
2. Fire Resistance:
   • Fire-resistant insulation and intumescent coatings to prevent ignition and slow fire spread.
   • Adequate fire suppression systems within the storage area.
3. Containment and Segregation:
   • Proper segregation from incompatible substances.
   • Secondary containment to manage spills and leaks.

Additional EPA Guidelines:

1. Emergency Preparedness:
   • Emergency response plans and equipment must be readily available.
   • Regular training for staff on handling emergencies involving dangerous goods.
2. Monitoring and Documentation:
   • Regular monitoring of container conditions and stored substances.
   • Accurate documentation and records of storage, handling, and disposal.
3. Risk Assessment:
   • Conduct thorough risk assessments to identify potential hazards and implement control measures.