performance liquid chromatography. SW846
Keuchel, C., L. Well, and R. Niessner (1992c) De-
Method 8330, November. Washington, D.C.: U.S.
velopment of an enzyme immunoassay for the
Environmental Protection Agency.
determination of 2,4,6-trinitrotoluene--Probing
Jenkins, T.F., and M.E. Walsh (1992) Development
the influence of humic acids. International Society
of field screening methods for TNT, 2,4-DNT and
for Optical Engineering (SPIE), 1716: 4450.
RDX in soil. Talanta, 39: 419428.
Vanderlaan, M., L. Stanker, and B. Watkins (1990)
Jenkins, T.F., P.G. Thorne, and M.E. Walsh (1994)
Immunochemical techniques in trace residue
Field screening method for TNT and RDX in
analysis. In Immunoassays for Trace Chemical Anal-
ysis (M. Vanderlaan, L.H. Stanker, B.E. Watkins,
Engineering Laboratory, Special Report 94-14.
and D.W. Roberts, Ed.). Symposium Series 451.
Keuchel, C., L. Well, and R. Niessner (1992a) Effect
Washington, D.C.: American Chemical Society, p.
of the variation of the length of the spacer in a
212.
competitive enzyme immunoassay (ELISA) for
Walsh, M.E., T.F. Jenkins, P.S. Schnitker, J.W .
the determination of 2,4,6-trinitrotoluene (TNT).
Elwell, and M.H. Stutz (1993) Evaluation of
Freseius Journal of Analytical Chemistry, 343: 143.
SW846 Method 8330 for characterization of sites
Keuchel, C., L. Well, and R. Niessner (1992b)
Enzyme-linked immunosorbent assay for the
USA Cold Regions Research and Engineering
Laboratory, CRREL Report 93-5.
determination of 2,4,6-trinitrotoluene and related
nitroaromatic compounds. Analytical Science, 8:
912.
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