ABSTRACT
SWTR See “Surface Water Treatment Rule.” SybrSorb™ Oil and oleophiphilic compound absorbent by Sybron Chemicals,
Biochemical Division. SymBio™ Wastewater nitrification/denitrification treatment process by Enviro-
quip, Inc. symbiotic A relationship between organisms of different species that benefits both
members of the relationship such that neither could carry out certain activities alone.