Notes
This is Revision 6 of the Port of Seattle’s procedure manual for stormwater monitoring at Sea-Tac International Airport, prepared in compliance with NPDES Permit WA-002465-1, effective March 1, 1999. The manual covers monitoring goals, sampling locations and requirements, deicing event monitoring, quality assurance and control procedures, and data reporting requirements. It provides detailed protocols for grab samples, flow-weighted composite samples, automatic and manual sampling, and chain-of-custody documentation.
