LyondellBasell has begun shutdown procedures for a 70-day plant-wide turnaround at its 1,130 million-pound-per-year ethylene, 606 million-pound-per-year Low-Density Polyethylene (LDPE) and 700 million-pound-per-year Linear Low-Density Polyethylene (LLDPE) units in Morris, Illinois. The turnaround is expected to be completed in late August.