@Override
	public Object getValueAt(int row, int col)
	{
		switch (col)
		{
		case COL_FULL_ACCT     : return fullAccounts.get(row);
		case COL_TANK_NUM      : return tankNums.get(row);
		case COL_SVC_NUM       : return svcNums.get(row);
		case COL_NAME          : return names.get(row);
		case COL_REF_NUM       : return refNums.get(row);
		case COL_DOC_TYPE      : return docTypes.get(row);
		case COL_DATE          : return dates.get(row);
		case COL_MAINT_DT      : return maintDates.get(row);
		case COL_MAINT_USER    : return maintUsers.get(row);
		default: return null;
		}
	}