Document 4J3rL27n7xQROandeE83OmN5e

cci W. S, Zlmait - Marshall Lab. G, I. Mulholland - Wilmington Wilmington, Delaware 19898 December 17, 1970 f. A. ASDKS Mfioap&f.T. j ^b . j mms MS Recent legislative action makes it advisable that we know the amount of certain heavy metal impurities present in all .raw materials which night eventually he washed into waste water or sanitary aewer systems. For this reason, 1 am asking you to .gather information from suppliers on the maximum amount of iwreury, lead, arsenic and cadmium present in raw materials used in latex paints. .Bight now we are most concerned about the proposed Illinois Regulation which limits the amount of mercury in the waste effluent to 0.5 pph. However, I foresee'that we could he .in- a similar type of situation with respect to lead, arsenic and cadmium in the future. let me know if you need further information. WWMilhw WILLIAM W, HILLER TOXICITY & POLLUTION CONTROL C0OHDIBATOR N38477