text: Based on these timelines , it is estimated , in principal , that the NOX controls needed to comply with a multipollutant strategy can be met provided ( 1 ) an adequate supply of materials and labor is available , and ( 2 ) the control technology implementation process begins at least about 35 months prior to the date controls must be in place .
  
  ###
  
  It is estimated , that based on these timelines , in principal , the NOX controls needed to comply with a multipollant strategy can be met provided a certain set of circumstances happen .