6 CONTROL SERIES NO. 162 



Mixtures Showing a Commercial Shortage of $1 or More per Ton 



* Since this material is sold in small packages, a calculation of the shortage per ton is not 

 feasible. Deficiency found is great enough for inclusion of this material with seriously 

 deficient brands. 



a See table of "Mixtures Substantially Complying with Guarantees." 



b Magnesium oxide guaranteed, 0.816%; found. 0.80%. 



f Withdrawn from sale. 



