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Fulton's Intersection Theory will clearly have any result bonho needs, but it's unlikely to be a good introduction to the subject unless s/he is very well-versed in abstract algebraic geometry.
Edidin and Graham have several versions of their paper "Equivariant Intersection Theory" on the arXiv. You may prefer reading one of the earlier versions rather than the final published version. In fact, I suspect that is why they kept the earlier versions available.