Sizing the Well-X-trol® 
–(5) Determine the Well-X-trol drawdown by multiplying (1) X (2)……………… ____ gallons –(6) Determine acceptance factor using the pressures in (3) and (4) and either the chart or the equation: AF = 1 – ( P1+14.7) ∕ (P2+14.7)
– AF = ____
(cont.)