isopropanol was diluted to a 60% (v/v) concentration using
deionized water. Approximately 75 L of 60% isopropanol was
poured into T2. Pumping commenced, and the alcohol, which
initially had a cloudy appearance due to residual oil and peanut
butter in the system, was diverted to a waste container until it
appeared clear (~7.5e10 L)