Document NNpZgVGZYvjq0yzEYoDp854bR

m ho h< ample of scale from tank #8lp containing octane number asoline, with lead content of ij. cc. See letter of 7-lJ~k.3 rpm H. A. Mack. Analysis Number Sample used for analysis Mg. Fb in xylol-alcohol extraction % organic lead Mg. Pb in nitric acid extraction % Inorganic lead i4.5A-2ij.96 10 g. (dried) 0.05 O.OOO5 8.75 0.088 Sample received: 7"20-l|3 Sample reported: 8-5~`+3