The tenantId on an AnalyticalMethod ensures that custom or tenant-specific method definitions remain isolated to the organization that created them. Standard EPA methods may be shared across the system, but when a tenant adds a state-specific or project-specific analytical method, the tenantId keeps it from appearing in other organizations' method lookups. This prevents method mixups when multiple clients share the same piper deployment.
Technical section
Data model, API, and internals — visible to developers.