  In this paper we consider the phenomenology of a ``non-standard'' Higgs Boson
in longitudinal gauge-Boson scattering. First, we present a composite Higgs
model (based on an $SU(4)/Sp\,(4)$ chiral-symmetry breaking pattern) in which
there is a non-standard Higgs Boson. Then we explore, in a model-independent
way, the phenomenology of such a non-standard Higgs by calculating the chiral
logarithmic corrections to longitudinal gauge scattering. This calculation is
done using the Equivalence theorem and the Higgs is treated as a
scalar-isoscalar resonance coupled to the Goldstone Bosons of the
\mbox{$SU(2)_{L} \times SU(2)_{R}/SU(2)_{V}$} chiral symmetry breaking. We show
that the most important deviation from the one Higgs-doublet standard model is
parameterized by one unknown coefficient which is related to the Higgs width.
The implications for future hadron colliders are discussed.
