It adopted a recommendation con­cerning the reduction of pollution by chromium, which set a quality objective of not more than 50 μg of chromium per litre in the Rhine as well as limit values for specific branches of industry.
Plenarforsamlingen vedtog en henstilling om nedbringelse af chrom­forurening, hvori kvalitetsmålet er fastsat til 50 μ^Ι chrom i Rhinens vand og grænseværdier for forskellige industrigrene.