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Table 3: Selected scenarios based on equipment indicators

Table 3 Selected scenarios based on equipment indicators

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Table 1: Technical and Process Information of Studied Equipment Journal of Human, Environment, and Health Promotion. 2019; 5(4): 172-6
Table 1: Technical and Process Information of Studied Equipment Journal of Human, Environment, and Health Promotion. 2019; 5(4): 172-6
Table 2: Data on Atmospheric Conditions of Study Area HAZOP method was used to investigate and identify the hazards. In this evaluation, the P&ID map was applied to identify the parameters involved in the process, as well as the causes of the deviation based on these parameters. Finally, the consequences of the deviations were identified.
Table 2: Data on Atmospheric Conditions of Study Area HAZOP method was used to investigate and identify the hazards. In this evaluation, the P&ID map was applied to identify the parameters involved in the process, as well as the causes of the deviation based on these parameters. Finally, the consequences of the deviations were identified.
Figure 1: Possibility of Death at Various Distances
Figure 1: Possibility of Death at Various Distances
2.3.4, Fourth Step: Evaluation of Damage Air temperature, wind speed, and atmospheric stability are among the most important influential factors in the dispersion of released gas. Depending on weather conditions and atmospheric stability, warm seasons were observed to have the highest SO2 emission concentration in the present study, so that the highest concentration of released gas was observed in August.According to the current research, the main consequences of the emissions of toxic SO2 to the environment were toxicity to humans and damage to plants, animals, objects, and equipment [9]. The TLV-STEL criteria are fundamentally used for the evaluation of the consequences of gas emissions based on the guidelines of the American Conference of Governmental Industrial Hygienists (ACGIH). At this stage, the outputs of the software simulation were interpreted and matched the findings based on the map of the geographical locations of the study area and combining other data, such as the number of the workers at the site, distance from the point of emission (Table 6), and amount of the damage caused by leakage (e.g., possibility of death/injury).
2.3.4, Fourth Step: Evaluation of Damage Air temperature, wind speed, and atmospheric stability are among the most important influential factors in the dispersion of released gas. Depending on weather conditions and atmospheric stability, warm seasons were observed to have the highest SO2 emission concentration in the present study, so that the highest concentration of released gas was observed in August.According to the current research, the main consequences of the emissions of toxic SO2 to the environment were toxicity to humans and damage to plants, animals, objects, and equipment [9]. The TLV-STEL criteria are fundamentally used for the evaluation of the consequences of gas emissions based on the guidelines of the American Conference of Governmental Industrial Hygienists (ACGIH). At this stage, the outputs of the software simulation were interpreted and matched the findings based on the map of the geographical locations of the study area and combining other data, such as the number of the workers at the site, distance from the point of emission (Table 6), and amount of the damage caused by leakage (e.g., possibility of death/injury).
According to the data on the c imatic conditions and technical specifications of the equipment in the four scenarios modeled in the present st who were working at approximate and height of 1-5 meters, the gas udy, per 15 employees y 10 meters of length eak scenario with the diameter of 100 millimeters and gas emission with the horizontal impingement angle mod the worst conditions and most sig Approximately 1.84 seconds after e was associated with nificant consequences. the gas leak and SO2 emission at the distance of 10 meters and height of 1.39 meters, the concentration was approximately 39,339 ppm in August, which represented the worst conditions compared to the other seasons of th the possibility of death was est e year. In this scenario, imated at 49%, which equaled almost seven individuals (Figure 1). These guidelines show the highest concentration of chemicals in the air, to which individuals could be exposed for 15 minutes with a 60-minute interval four times per day without causing eye/throat injuries or irreversible health effects. The standard TLV-STEL for SO2 is 0.5 ppm [7]. Some of the main signs of exposure to this gas include pulmonary reactions and stimulation of the lower respiratory tract. Based on the scenarios in the present study, the leakage of the gas from the transmission pipeline caused its release in various ways, which affected the individuals, plants, animals, and equipment that were in the distribution pathways, leading to consequences such as death, plant destruction, and damage to animals and equipment [11].
According to the data on the c imatic conditions and technical specifications of the equipment in the four scenarios modeled in the present st who were working at approximate and height of 1-5 meters, the gas udy, per 15 employees y 10 meters of length eak scenario with the diameter of 100 millimeters and gas emission with the horizontal impingement angle mod the worst conditions and most sig Approximately 1.84 seconds after e was associated with nificant consequences. the gas leak and SO2 emission at the distance of 10 meters and height of 1.39 meters, the concentration was approximately 39,339 ppm in August, which represented the worst conditions compared to the other seasons of th the possibility of death was est e year. In this scenario, imated at 49%, which equaled almost seven individuals (Figure 1). These guidelines show the highest concentration of chemicals in the air, to which individuals could be exposed for 15 minutes with a 60-minute interval four times per day without causing eye/throat injuries or irreversible health effects. The standard TLV-STEL for SO2 is 0.5 ppm [7]. Some of the main signs of exposure to this gas include pulmonary reactions and stimulation of the lower respiratory tract. Based on the scenarios in the present study, the leakage of the gas from the transmission pipeline caused its release in various ways, which affected the individuals, plants, animals, and equipment that were in the distribution pathways, leading to consequences such as death, plant destruction, and damage to animals and equipment [11].
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