ABSTRACT
J See “joule (J).” J&A Jones and Attwood product division of Waste-Tech, Inc. JAC Oxyditch Oxidation ditch treatment system formerly offered by Chemineer,
Inc. Jackbolt™ Aluminum clarifier cover by Enviroquip, Inc. jacking A method of installing pipe by forcing it into a horizontal opening with
horizontal jacks. JackKnife Pivoting air header and drop pipe arrangement by Walker Process
Equipment. Jackson turbidity unit (JTU) An obsolete unit of measure used to quantify the
water turbidity by observing the outline of a candle flame viewed through a water sample. Replaced by “NTU.”
