Related to HPSN

TMDL means the total maximum daily load limitation of a parameter, representing the estimated assimilative capacity for a water body before other designated uses are adversely affected. Mathematically, it is the sum of wasteload allocations for point sources, load allocations for non-point and natural background sources, and a margin of safety.
HSP means a HUB Subcontracting Plan.
L.S.D. means lysergic acid diethylamide.
TP means fibre network termination point at the Installation Address.
TLR means the NERC Transmission Loading Relief Procedures used in the Eastern Interconnection as specified in NERC Operating Policies.

HPSN definition