Scott L. Ed P. Chris S. 5/21/15 Cleaned 9 meters and finished at HNW-4-058. Removed lights and rehung them in next section north. Vacuumed support tubes and sprayed diluted bleach/water solution on heavily soiled floor areas. 5/22/15 Scott L. & Ed P. Cleaned 2 of the large box fans for circulation in the tunnel and gave the vacuum machines a complete cleaning. The crew left at 11:00 A M today and will take the entire week of 5/25 off. We will resume cleaning operations on 6/1. To date, a total of 3127 meters of tube have been cleaned and all support tubes in that length have been cleaned and caps installed.