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
(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
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
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
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
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
Texas City refinery explosion (section Analysis of weak implementation of process safety management)
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
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
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
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
System safety (section Root cause analysis)
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
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