USEPA. September 1990. Handbook Ground Water, Volume I: Ground
Water and Contamination. EPA/625/6 90/016a.
USEPA. May 1989. RCRA Facility Investigation (RFI) Interim Final
Guidance (4 vols). EPA/530/SW 89 031, OSWER Directive 9502.00 60, NTIS
USEPA. December 1987a. A Compendium of Superfund Field Operations
Methods. EPA/540/P 87/001.
Because the TEGD and the documents listed above are more comprehensive than this
Manual, it may be necessary to refer to them when applying the procedures discussed herein.