again, amy brownelle with the san francisco health department. the question is why certain areas were scanned by the california department of public health and then they sent the reports about that information. again, remember that the new information came out in the supplemental memorandum and these new areas were designated as radiologically impacted which does not mean there is contamination problem. it means there is a possibility that you need to investigate the areas. and, so, the concern was one of those areas in particular was a residential area. so, we wanted to respond very quickly and asked california department of public health to scan those newly designated areas where people were living and working to verify that there wasn't any current health and safety concerns. and then we -- in addition, those five extra areas, the light blue areas on the map, this was sent to the residents october 5th where additional high traffic areas that they wanted to verify that there wasn't any concern. so, some of the other residential areas, there is