In what is called the septic system of treating sewage.
"The Wonder Island Boys: Exploring the Island"
Roger Thompson Finlay
He's in a bad way, his wounds are very septic.
"Leaves from a Field Note-Book"
J. H. Morgan
"It won't hurt you, old chap, I'm only going to drain off the septic matter," interjected the surgeon in holland overalls, with sleeves tucked up to the elbow.
"Leaves from a Field Note-Book"
J. H. Morgan