Hazardous Chemicals Standard

Process research, in fine chemical research and development, 11 426 Process reviews, 10 163 Process risk analysis, in large-scale pharmaceutical synthesis, 16 726 Process safety, 20 731-732 Process safety management, 21 826 standards for, 21 592 Process Safety Management (PSM) of Highly Hazardous Chemicals standard, 21 829... 

The information in this publication is applicable to many industrial facilities not covered by process safety regulations such as the OSHA PSM Standard and the Seveso II Directive. Many reactive chemicals are not listed as regulated materials, and chemical reactivity hazards include uncontrolled chemical reactions between materials not considered as highly hazardous, or under conditions not typically encountered in storage and shipping. 

Chemical Reactivity Hazard Management CCPS Elements OSHAPSM Standard and EPA RMP Rule Seveso II... 

The systematic search for all chemical reactivity hazards, beyond the information gained from the sources listed in Section 4.2, should begin with a literature survey of the chemicals to be used and the type of processing, if any, that will be employed. The literature survey might turn up quantitative hazard data or previous incidents. Other information that will be useful later, such as standard practices or model prevention programs, may also be uncovered. 

A review of material safety data and standard references for the ingredients may result in answering Questions 7 through 11 as shown in Table 5.5. Two of the ingredients, aluminum powder and sodium hydrosulfite, are known to be reactive chemicals, so a chemical reactivity hazard is obviously present. At this point, the Preliminary Screening Method would point the user to the information in Chapter 4, for identifying and managing chemical reactivity hazards. 

IChemE acknowledges that there is no standard procedure for evaluating chemical reaction hazards (Barton and Rogers, 1997 p. 120). The CSB survey further highlights the variety of approaches to reactive hazard evaluation companies rely to varying degrees on quantitative and qualitative evaluation methods. 

The need for additional controls is identified through design standards, reactive chemicals process hazard analysis, and technology centers. 

Protection of Employees. In 1986, shortly after the Bhopal disaster, OSHA contracted to develop a federal standard on process hazards management. A proposed standard was issued in 1990, and the Process Safety Management of Highly Hazardous Chemicals standard was issued and... 

As can be seen from the Global Reactive Chemicals Standard, all existing chemical processes will have a Reactive Chemicals/Process Hazard Analysis review on a predefined periodic basis. In addition, every new plant Production Leader should review their process with the Reactive Chemicals Committee within 90 days of assuming responsibility for a pilot or production plant. Prior to the review, the Leader should acquire training on the chemistry and processes that they are working with. This should include an evaluation of raw materials, processes, products and waste to understand any potential reactive chemical hazards. They should review and be prepared to answer questions from the completed and updated RC/PHA protocol questionnaire as well as other relevant materials in their plant Process Safety Folder, such as F EI, CEI, etc. The review should cover all auxiliary operations to the process such as raw material and product storage drum, tank car and truck loading. 

An estimate of the toxicity or intrinsic hazard is needed for each material identified in the inventory. Such information for many chemicals in the form of a Material Safety Data Sheet (MSDS) are required by the OSHA Hazard Communication Standard. (Other countries have similar requirements.) Standard hazard-data sources may need to be consulted for those chemical compounds for which no MSDSs are presently available. Adequate hazard data may be lacking for various mixtures that are unique to the plant. For such mixtures, it may be necessary to analyze the contents and then estimate the overall hazard based on the individual components. 

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