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Photochemical alternatives

Hi all!
I am in research of pollution prevention for company 'Disc Graphics'. The
information received from company is incomplete, but I know they have waste
water of
200gpd in out side collection tank after silver recovery. In darkroom they
use photochemicals like fuji and 3m sys. Is there any latest technology
cheaper and beneficial? sorry for long:- any suggestion would be appreciated.
Razan, Suffolk County Water Authority