Johnson, P.C., C.C. Stanley, M.W. Kemblowski, D.L.\
Byers, and J.D. Colthart, A practical approach to the
design, operation and monitoring of in situ
soil-venting systems, Groundwater Mon. Rev.,
10(2), 159-78, 1990b.
84
Johnson, P.C., A.L. Baehr, R.A. Brown, R.E. Hinchee, and
G.E. Hoag, Innovative Site Remediation Technology: Vol.\
8---Vacuum Vapor Extraction, American Academy of Environmental
Engineers, Annapolis, 1995.