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500 EM385-1-1 Construction Safety Hazard Awareness for Contractors Sections 1 - 6
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06.B.03

Storage prior to transportation of hazardous chemicals, materials, substances and wastes must be under the supervision of a qualified person.

Storing hazardous chemicals.
  1. Transportation, use, and storage of hazardous or toxic agents must be planned and controlled to prevent contamination of people, animals, food, water, equipment, materials, and environment.
  2. All storage of hazardous or toxic agents must be in accordance with the recommendations of the manufacturer, OSHA and NFPA requirements and accessible only to authorized personnel.
  3. Disposal of surplus or excess hazardous or toxic agents must occur in a manner that will not contaminate or pollute any water supply, ground water, or streams; and will comply with Federal, State, and local regulations and guidelines.
  4. Containers used to hold hazardous or toxic agents should not be used to hold other materials unless they have been managed or cleaned under hazardous waste and DOT regulatory requirements.
  5. Every hazardous or toxic agent being transported for disposal must be transported with a copy of the substance's MSDS (SDS) whenever applicable.
  6. Persons who prepare shipments of hazardous chemicals, materials, substances and/or wastes that are defined as hazardous material under DOT regulations are required to be DOT trained, certified and issued an appointment letter in accordance with Defense Transportation Regulation 4500.9-R, Chapter 204.
A PSM Program may be required.

06.B.04

A Process Safety Management (PSM) Program of highly hazardous chemicals must be employed in accordance with 29 CFR 1910.119 or 29 CFR 1926.64 whenever a work activity involves:

  1. A process that involves a chemical at or above the threshold quantities listed in Appendix A of the above-cited CFRs; or
  2. A process that involves a flammable liquid or gas on site in one location in a quantity of 10,000 lb (4,535.9 kg) or more as defined in 29 CFR 1926.59(c), except:
    • (1) Hydrocarbon fuels used solely for workplace consumption as a fuel if such fuels are not part of a process containing another highly hazardous chemical covered by the standards cited above; or
    • (2) Flammable liquids stored in atmospheric tanks or transferred that are kept below their normal boiling point without benefit of chilling or refrigeration.

Knowledge Check Choose the best answer for the question.

6-5. What is required when a process on a worksite involves a chemical at or above the threshold quantities listed in Appendix A of OSHA's 1910.119 or 1926.64?