Do they check foundry final iron/returns to meet 1E2680 Annual Elements (As, Sb, Bi, B, Ce*, N, Te, V, Zr, Zn) on spectrometer or send out sample 1/year. If suppliers are checking internally, the channels must have the correct standards, or annual certification, for the Cat spec ranges. (*TRE/total rare earth is acceptable for Ce.Ductile and Compacted Graphite only.). If all channels are present but not certified, give 1 point.