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Drum Handling

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Objectives: By the end of this section, participants will be able to recite safe drum handling protocols.

Why this section is important:  The contents of drums can be very hazardous; knowledge of their safe handling is critical when working with drums that may contain hazardous materials.

Regulations Pertinent to Drums

Drum Information

Drum Handling Requirements

Regulations Pertinent to Drums

Regulations defining practices and procedures for safe handling of drums and other hazardous waste containers include:
  • OSHA (29 CFR 1910.120) for worker safety
  • EPA (40 CFR Parts 264 and 265) for container requirements
  • US DOT(49 CFR parts 171 through 178) for shipment of hazardous wastes

 

Drum Information

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Prior to handling, drums should be inspected visually to identify their contents, including:
  • Symbols, words, or other marks on the drum indicating that its contents are hazardous
  • Symbols, words, or other marks indicating that the drum contains discarded laboratory chemicals, reagents, or other potentially dangerous materials in small-volume individual containers
  • Signs of deterioration such as corrosion, rust, and leaks
  • Signs that the drum is under pressure
  • Configuration of the drumhead
  • If the whole lid of the drum can be removed, the drum was designed to contain solid material Click to enlarge
  • If the lid has a bung, the drum was designed for liquids Click to enlarge
  • If the drumhead contains a liner, the drum may likely contain highly corrosive or otherwise hazardous materials
  • Note the ground conditions in the vicinity of the drums
  • Labels may not be an indication of the true contents of a drum. Look for signs of re-use.
  • Note the type of drum:
    • Polyethylene or PVC-lined drums often contain strong acids or bases, which can corrode the drum if the liner is punctured.
    • Exotic metal drums (e.g., aluminum, nickel, stainless steel) are very strong and expensive, and are often used to store extremely dangerous materials.
    • Single-walled drums used as a pressure vessel have fittings for both the storage product and for an inert gas; these drums often contain reactive, flammable, or explosive substances.
    • Laboratory packs are used for disposal of expired chemicals and process samples from university laboratories, hospitals, and similar institutions. They may contain incompatible materials, radioisotopes, or shock-sensitive, highly volatile, highly corrosive, or highly toxic exotic chemicals and are a potential ignition source for fires at hazardous waste sites.

 

Drum Handling Requirements

  • Drums and containers used during the clean-up must meet the appropriate DOT, OSHA, and EPA regulations for the wastes that they contain.
  • When practical, drums and containers must be inspected and their integrity assured prior to being moved.
  • Drums or containers that cannot be inspected before being moved because of storage conditions (i.e., buried beneath the earth, stacked behind other drums, stacked several tiers high in a pile, etc.) must be moved to an accessible location and inspected prior to further handling.
  • Unlabeled drums and containers must be considered to contain hazardous substances and handled accordingly until the contents are positively identified and labeled.
  • Site operations must be organized to minimize the amount of drum or container movement.
  • Prior to movement of drums or containers, all employees exposed to the transfer operation must be warned of the potential hazards associated with the contents of the drums or containers.
  • U.S. Department of Transportation specified salvage drums or containers and suitable quantities of proper absorbent must be kept available and used in areas where spills, leaks, or ruptures may occur.
  • Where major spills may occur, a spill containment program, which is part of the employer's safety and health program required in paragraph (b) of this section, must be implemented to contain and isolate the entire volume of the hazardous substance being transferred.
  • Drums and containers that cannot be moved without rupture, leakage, or spillage must be emptied into a sound container using a device classified for the material being transferred.
  • A ground-penetrating system or other type of detection system or device must be used to estimate the location and depth of buried drums or containers.
  • Soil or covering material must be removed with caution to prevent drum or container rupture.
  • Fire extinguishing equipment meeting the requirements of 29 CFR Part 1910, Subpart L, must be on hand and ready for use to control incipient fires.
  • Opening drums and containers. The following procedures must be followed in areas where drums or containers are being opened:
    • Where an airline respirator system is used, connections to the source of air supply must be protected from contamination and the entire system must be protected from physical damage.
    • Employees not actually involved in opening drums or containers must be kept a safe distance from the drums or containers being opened.
    • If employees must work near or adjacent to drums or containers being opened, a suitable shield that does not interfere with the work operation must be placed between the employee and the drums or containers being opened to protect the employee in case of accidental explosion.
    • Controls for drum or container opening equipment, monitoring equipment, and fire suppression equipment must be located behind the explosion-resistant barrier.
    • When there is a reasonable possibility of flammable atmospheres being present, material handling equipment and hand tools must be of the type to prevent sources of ignition.
    • Drums and containers must be opened in such a manner that excess interior pressure will be safely relieved. If pressure cannot be relieved from a remote location, appropriate shielding must be placed between the employee and the drums or containers to reduce the risk of employee injury.
    • Employees must not stand upon or work from drums or containers.
  • Material handling equipment used to transfer drums and containers must be selected, positioned and operated to minimize sources of ignition related to the equipment from igniting vapors released from ruptured drums or containers.
  • Drums and containers containing radioactive wastes must not be handled until such time as their hazard to employees is properly assessed.
  • At a minimum, the following special precautions must be taken when drums and containers containing or suspected of containing shock-sensitive wastes are handled:
    • All non-essential employees must be evacuated from the area of transfer.
    • Material handling equipment must be provided with explosive containment devices or protective shields to protect equipment operators from exploding containers.
    • An employee alarm system capable of being perceived above surrounding light and noise conditions must be used to signal the commencement and completion of explosive waste handling activities.
    • Continuous communications (i.e., portable radios, hand signals, telephones, as appropriate) must be maintained between the employee-in-charge of the immediate handling area and both the site safety and health supervisor and the command post until such time as the handling operation is completed. Communication equipment or methods that could cause shock sensitive materials to explode must not be used.
    • Drums and containers under pressure, as evidenced by bulging or swelling, must not be moved until such time as the cause for excess pressure is determined and appropriate containment procedures have been implemented to protect employees from explosive relief of the drum.
    • Drums and containers containing packaged laboratory wastes must be considered to contain shock-sensitive or explosive materials until they have been characterized.
  • At a minimum, the following precautions must be taken in handling laboratory waste packs:
    • Laboratory waste packs must be opened only when necessary and then only by an individual knowledgeable in the inspection, classification, and segregation of the containers within the pack according to the hazards of the wastes.
    • If crystalline material is noted on any container, the contents must be handled as a shock-sensitive waste until the contents are identified.
    • Sampling of containers and drums must be done in accordance with a sampling procedure which is part of the site safety and health plan developed for and available to employees and others at the specific work site.

 

Thought Questions (you do not need to respond)

What would you do if a drum develops a leak on the side?  Why not just turn it on its side?!

 

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