① All sixth copies are received within 45 days
② Some sixth copies are not received within 45 days but the Department of Industrial Works was notified
③ Some sixth copies are not received within 45 days and the Department of Industrial Works was not notified
④ No sixth copies are received within 45 days and the Department of Industrial Works was not notified at all
⑤ Some sixth copies are not received within 45 days but unclear whether the Department of Industrial Works was notified or not
⑥Unclear whether all sixth copies are received within 45 days
⑦ Not applicable(there is no hazardous waste)