According to API 510, what action is required when a pressure vessel inspection reveals that the calculated remaining life is less than four years?
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A
The vessel must be immediately taken out of service
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B
The next inspection shall be performed at half the remaining life or two years, whichever is less
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C
A fitness-for-service assessment must be completed before the next turnaround
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D
The maximum allowable working pressure must be derated by 25%