SWPPP
Description
Stormwater Pollution Prevention Plan
Municipal Technical Advisory Service
SWICH
Description
Solid Waste Information Clearinghouse
SWANA
Description
Solid Waste Association of North America
STP
Description
Surface Transportation Program; Sewage Treatment Plant
SS
Description
Suspended Solids
SPO
Description
State Planning Office
SPCC
Description
Spill Prevention, Containment and Countermeasure
SOP
Description
Standard Operating Procedures
SOLINET
Description
Southeastern Library Network
SMSA
Description
Standard Metropolitan Statistical Area