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Incident Investigation Calculation <br />Gas Release, Irregular Opening (Ammonia) <br />Formula Used <br />Adapted from the September 1993 (Second Edition) of the Chemical Exposure Index Guide published by the Dow Chemical Company <br />Where: <br />AQ Gas flow rate (lbs./min.) <br />A Area of leak (inches2) <br />Pa Gauge pressure plus 14.7 (psi) <br />Tr Refrigerant gas temperature (F°) <br />Values Used: <br />Area of Leak (inches2)0.055 <br />Gauge Pressure (psig)140.59 <br />Refrigerant gas temperature (F°)81 <br />Number of Minutes Released 15 <br />Results: <br />Gas Flow Rate (lbs./min.)7.24 <br />Total Vapor Released (lbs.)109 <br />Calculation Created By <br />Schlegelmilch, Ben <br />Date Created <br />3/31/2021