JUNE/JULY 2022 VOLUME 40 NUMBER 3 SUBSCRIBE AT GeosyntheticsMagazine.com MULTI-LINEAR GEOCOMPOSITES For railway drainage LINERS FOR FRAC TANKS Geo for energy sector NEW GSI TEST METHOD Resistance of conductive geosynthetics Geosynthetics A PUBLICATION OF Geosynthetics for lithium mining On the importance of standardized specifications for PVC geomembranes $19 US | $25 CAN