delete rows from DataTable based on comparing row values

Question

CR	CN
4.69517	4.559232
6.100273	4.942965
4.148316	4.039106
4.469541	4.339533
121.9486	121.2923
118.4546	117.8093
126.1222	125.5393
41.86481	42.70397
48.10417	48.88662

I have a datatable I want to delete rows if both (CR > 6 &&  CN > 6) I need to check both conditions and then delete

foreach( DataRow row in table1.Rows )
{
  if( /*  condition* / )
  row.Delete();
}