TI waiver 198193

The purpose of this memo is to clarify the U.S. Environmental Protection Agency’s (EPA’s)
internal consultation process for Superfund groundwater technical impracticability (Tl)
Evaluations. It also provides recommendations on how to prepare technically sound Tl
Evaluation documents when considering whether a Comprehensive Environmental Response,
Compensation, and Liability Act (CERCLA) groundwater cleanup site merits an applicable or
relevant and appropriate requirement (ARAR) waiver.

File Type: pdf
Categories: MOA / MOU
Author: US EPA