Nonequilibrium statistical mechanics of systems interacting with nonadditive forces. III. Properties to first order in the density

We obtain the transport coefficients up to first order in the density for a system of particles interacting with nonadditive forces. To zeroth order in the density we recover the usual results obtained from the Boltzmann equation. To first order in the density one finds that the transport coefficients consist of two parts: the value of the corresponding quantities for a system with only additive forces, plus a contribution due to nonadditive forces.