Maria,
"The Economy of Wash Water Recycling" is an example that explains an
absolute. The representation is not an absolute unto itself,
although the constant of contaminant load ratios applies universally
no matter what volumes of water or number of washes are used.
A 3:1 wash ratio is what
I'm not sure where he's getting the following numbers:
"If the amount of fuel being washed in the top right row was
1,000 gallons and the water were to be discarded after each
wash, there would be 4,000 gallons of waste water"
Even the resolute non-recycling mistwashers don't report such
