Despite presence of federal mediator 'no further agreements have been reached.'
ILWU sends PMA proposals, as Congressman Bill Shuster writes to president about West Coast Longshore negotiations.
PMA says it is not close to a new contract with the ILWU.
Port of Long Beach CEO said ports are in a "perfect position" to play this role.
Flexi-Van executive says "misplaced" chassis have aggravated congestion.
ICTSI Oregon says actions against it are "far beyond what other West Coast ports are experiencing."