diff --git a/e2-estia.i b/e2-estia.i
index 45fe62a..8c44927 100644
--- a/e2-estia.i
+++ b/e2-estia.i
@@ -119,8 +119,8 @@ c read file=tallies/full_mesh.i echo
 c read file=tallies/full_mesh_p.i echo
 c read file=tallies/full_mesh_np.i echo
 c read file=tallies/NBPI_f4.i echo
-c read file=tallies/BBG_f4.i echo
-read file=tallies/BBG_f5.i echo
+read file=tallies/BBG_f4.i echo
+c read file=tallies/BBG_f5.i echo
 c read file=tallies/inbunker_f4.i echo
 c read file=tallies/chopper_pit_doses.i echo
 c read file=tallies/bunker_wall_f4.i echo
diff --git a/tallies/BBG_f4.i b/tallies/BBG_f4.i
index 3348d74..b2f5b9e 100644
--- a/tallies/BBG_f4.i
+++ b/tallies/BBG_f4.i
@@ -16,3 +16,8 @@ e14      1e-10 1.58e-10 2.51e-10 3.98e-10 6.31e-10
          1e+2 1.58e+2 2.51e+2 3.98e+2 6.31e+2
          1e+3 1.58e+3 2.51e+3
 fq14 e f
+c  DXTRAN spheres to improve statistics in tallies
+dxt:n   331.2 -448.0  7.0 9.5 12.0 $ around both tally spheres
+c        331.2 -448.0 13.3 3.2 6.2 $ around upper tally sphere
+c        331.1 -447.9 0.7  3.2 6.2 $ around lower tally sphere
+dxc:n   0.1 276r 0 0 0.1 578r