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Show 'ALKALI ATTACKS CEMENT DRAINS SALT LAKE. Sept. 18. R A. Hart, hlof drainage engineer for the dis-trin dis-trin of Utah, declared yesterday that the use of cement tile In any of the ialkalln lunds of Vtnh cannot bo r. , -ommended. He said his Bt.t-;ment ', was based upon results of an Investigation Investi-gation begun In 1913 on the dura- I blliky of cement drain tile in alkali soils and continued through 1 B I ' Bxct rpts from this report read as follows I "The use of concrete tile In soils , containing alkali salts of the snl-I snl-I plate type in considerable Quantities j la hazardous In view of the fact that i the best quality of drain tile has been I disintegrated during m xposure of I less than six years. If cement drain tile is to be used In soil and w il.-ra containing 0 1 p. r ' i nl or more salts of the sulphate type their installation should be preceded pre-ceded by an examination of subsurface subsur-face alkali conditions. Decision as to the advisability of using .cement drain tile should be based upon tho--oiijrh examination of subsurface conditions con-ditions and quality of product which it Is proposed to use and upon a com-parlspn com-parlspn of the data so obtained wlih th( data presented In this report. I Such an examination may Indic ate I portions f an area where the use o: anient i lie should be avoided, ' |