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"PSTIR." Fullformexpand.com, https://www.fullformexpand.com/pstir/process-safety-total-incident-rate. Accessed 9 Apr. 2026.
Fullformexpand.com, 2026. "PSTIR." Accessed April 9, 2026. https://www.fullformexpand.com/pstir/process-safety-total-incident-rate.
"PSTIR." (n.d.). Fullformexpand.com. Retrieved April 9, 2026, from https://www.fullformexpand.com/pstir/process-safety-total-incident-rate.
PSTIR. (2026). Fullformexpand.com. Available at: https://www.fullformexpand.com/pstir/process-safety-total-incident-rate (Accessed: 9 April 2026).