• A process hazard analysis (PHA) (or process hazard evaluation) is an exercise for the identification of hazards of a process facility and the qualitative...
    3 KB (356 words) - 05:43, 27 March 2024
  • A hazard analysis is one of many methods that may be used to assess risk. At its core, the process entails describing a system object (such as a person...
    11 KB (1,075 words) - 18:55, 31 May 2025
  • Thumbnail for Fault tree analysis
    (1992-02-24) its Process Safety Management (PSM) standard in 19 CFR 1910.119. OSHA PSM recognizes FTA as an acceptable method for process hazard analysis (PHA)....
    34 KB (4,036 words) - 14:39, 2 July 2025
  • Thumbnail for Hazard Analysis Critical Control Point
    Hazard analysis and critical control points, or HACCP (/ˈhæsʌp/), is a systematic preventive approach to food safety from biological, chemical, and physical...
    27 KB (3,194 words) - 21:28, 28 June 2025
  • (RAGAGEP). A process hazard analysis (PHA) (or process hazard evaluation) is an exercise for the identification of hazards of a process facility and the...
    24 KB (2,859 words) - 04:07, 28 January 2024
  • Thumbnail for Industrial fire
    environment. Process Hazard Analysis (PHA) is a set of organized and systematic assessments of the potential hazards for an industrial process used to analyze...
    6 KB (648 words) - 10:28, 9 June 2025
  • A hazard and operability study (HAZOP) is a structured and systematic examination of a complex system, usually a process facility, in order to identify...
    19 KB (2,126 words) - 01:38, 8 July 2025
  • protection analysis (LOPA) is a technique for evaluating the hazards, risks and layers of protection associated with a system, such as a chemical process plant...
    7 KB (549 words) - 16:22, 27 April 2025
  • Thumbnail for Hazard
    A hazard is a potential source of harm. Substances, events, or circumstances can constitute hazards when their nature would potentially allow them to...
    41 KB (5,394 words) - 13:41, 19 July 2025
  • Risk assessment (category Hazard analysis)
    assessment. Hazard analysis forms the first stage of a risk assessment process. Judgments "on the tolerability of the risk on the basis of a risk analysis" (i...
    74 KB (8,999 words) - 07:10, 19 July 2025
  • used to describe this procedure are job hazard analysis (JHA), hazardous task analysis (HTA) and job hazard breakdown. The terms "job" and "task" are...
    19 KB (2,434 words) - 04:19, 15 July 2025
  • general public at all times. OSHA's major findings included: Lack of process hazard analysis Inadequate standard operating procedures (SOPs) Non-fail-safe block...
    15 KB (1,752 words) - 20:57, 8 June 2025
  • Survival analysis is used in several ways: To describe the survival times of members of a group Life tables Kaplan–Meier curves Survival function Hazard function...
    50 KB (6,977 words) - 11:12, 17 July 2025
  • Jet fire (category Process safety)
    flammable gas, liquid or a two-phase mixture. A jet fire is a significant hazard in process and storage plants which handle or keep flammable fluids under pressure...
    5 KB (619 words) - 04:33, 20 June 2025
  • natural polyesters Potentially hazardous asteroid Process hazard analysis of an industrial process Pseudohypoaldosteronism, a condition that mimics hypoaldosteronism...
    2 KB (255 words) - 20:19, 7 September 2023
  • Thumbnail for BP
    the Isocracker Unit; failure to resolve process hazard analysis recommendations; failure to resolve process safety management compliance audit items...
    285 KB (27,190 words) - 08:39, 19 July 2025
  • proportional hazards model, the unique effect of a unit increase in a covariate is multiplicative with respect to the hazard rate. The hazard rate at time...
    35 KB (5,760 words) - 13:31, 2 January 2025
  • Cyber PHA (category Process safety)
    they are similar to process hazard analysis (PHA) or the hazard and operability study (HAZOP) studies that are popular in process safety management, particularly...
    6 KB (596 words) - 09:14, 20 July 2025
  • Thumbnail for Texas City refinery explosion
    punishment from reporting incidents or hazards. Process hazard analysis: the plant hazard and operability analysis (HAZOP) failed to identify the column...
    152 KB (16,251 words) - 14:54, 17 May 2025
  • Thumbnail for Hierarchy of hazard controls
    Hierarchy of hazard control is a system used in industry to prioritize possible interventions to minimize or eliminate exposure to hazards. It is a widely...
    22 KB (2,243 words) - 09:59, 7 June 2025
  • Thumbnail for ARP4761
    The last 160 pages give an example of the process in action. Some of the methods covered: Functional Hazard Assessment (FHA) Preliminary System Safety...
    8 KB (1,020 words) - 14:25, 10 June 2024
  • operations, manufacturing, telecommunications, industrial process control, accident analysis (e.g., in aviation, rail transport, or nuclear plants), medical...
    30 KB (3,877 words) - 01:52, 30 May 2025
  • Accelerated failure time model (category Survival analysis)
    analysis, an accelerated failure time model (AFT model) is a parametric model that provides an alternative to the commonly used proportional hazards models...
    11 KB (1,473 words) - 03:37, 27 January 2025
  • Other terms of the agreement stipulated that ACC would organize a "process hazard analysis staff" for each of its four U.S. facilities (including the Channelview...
    35 KB (3,849 words) - 16:55, 12 July 2025
  • of process safety metrics, safety auditing, etc. Hazard identification, using methods such as audits, checklists, review of MSDS, historical analysis, hazard...
    26 KB (2,982 words) - 19:42, 12 July 2025
  • safety hazards of nanomaterials include the potential toxicity of various types of nanomaterials, as well as fire and dust explosion hazards. Because...
    52 KB (5,396 words) - 14:18, 26 May 2025
  • Thumbnail for Failure mode and effects analysis
    Failure mode and effects analysis (FMEA; often written with "failure modes" in plural) is the process of reviewing as many components, assemblies, and...
    51 KB (6,202 words) - 19:44, 18 July 2025
  • concept calls for a risk management strategy based on identification, analysis of hazards and application of remedial controls using a systems-based approach...
    12 KB (1,536 words) - 03:33, 16 April 2025
  • Safety instrumented system (category Process safety)
    required SIL is determined from a quantitative process hazard analysis (PHA), such as a Layers of Protection Analysis (LOPA). The SIL requirements are verified...
    7 KB (788 words) - 13:03, 10 April 2025
  • Thumbnail for Hazard analysis and risk-based preventive controls
    Hazard analysis and risk-based preventive controls or HARPC is a successor to the Hazard analysis and critical control points (HACCP) food safety system...
    14 KB (1,330 words) - 16:36, 1 June 2025