Development of the Table of Initial Isolation and Protective Action Distances for the 2012 Emergency Response Guidebook

Brown, D. F.; Freeman, W. A.; Haney, W. D.

doi:10.2172/1137185

Cited by 1 publication

(2 citation statements)

References 16 publications

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“…The calculation method for bunds, etc., according to the arrangement of each tank, followed the standards set by the Chemicals Control Act. The separation distance between the tanks was 1.5 m, and the separation distance between the tanks and the bund wall was observed to be 1.5 m. Additionally, the height of the breakwater wall was calculated to satisfy 110% of the capacity of the largest facility inside it 26 …”

Section: Resultsmentioning

confidence: 99%

“…The separation distance between the tanks was 1.5 m, and the separation distance between the tanks and the bund wall was observed to be 1.5 m. Additionally, the height of the breakwater wall was calculated to satisfy 110% of the capacity of the largest facility inside it. 26 Table 6 lists the required number of gas detectors according to the length of the breakwater wall and the length of the surrounding group for each tank arrangement plan case. Figures 3-6 show the appropriate locations of the gas detectors for each case.…”

Section: Estimation Of the Location Of Gas Detectors For Each Chemica...mentioning

confidence: 99%

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A gas detector planning method that considers the area and zone based on the range of influence of chemicals with high vapor pressure

Kim

Lee

Yoon

et al. 2023

Process Safety Progress

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In some countries with high population densities including Korea, chemical plants are densely distributed, and strict regulations are imposed. According to the Chemical Control Act, one gas detector must be installed every 10 m indoors and 20 m outdoors around a facility. However, the diffusion of chemicals should be evaluated based on area rather than perimeter. In the US and EU, gas detector locations are selected through chemical accident modeling. Here, we evaluated the feasibility of gas detector installation standards in the Chemicals Control Act by comparing highly volatile and toxic chemicals with sulfuric acid (relatively low volatility). Consequently, we suggested an appropriate installation location and number of gas detectors for initial countermeasures. For nitric acid, hydrochloric acid, and hydrofluoric acid, there was a difference in the number of detectors recommended via modeling and the number of detectors legally required. For the mezzanine design, four gas detectors should be installed on each floor in a 5‐story building; however, the modeling results showed that installing one was sufficient. For sulfuric acid with low vapor pressure, it is equitable to install a leak detector rather than a gas detector. Overall, regulations should be continuously evaluated for the response and prevention of chemical accidents.

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Section: Resultsmentioning

confidence: 99%

Section: Estimation Of the Location Of Gas Detectors For Each Chemica...mentioning

confidence: 99%

A gas detector planning method that considers the area and zone based on the range of influence of chemicals with high vapor pressure

Kim

Lee

Yoon

et al. 2023

Process Safety Progress

View full text Add to dashboard Cite

show abstract

Development of the Table of Initial Isolation and Protective Action Distances for the 2012 Emergency Response Guidebook

Cited by 1 publication

References 16 publications

A gas detector planning method that considers the area and zone based on the range of influence of chemicals with high vapor pressure

A gas detector planning method that considers the area and zone based on the range of influence of chemicals with high vapor pressure

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