diff --git a/Validation/NIST_Douglas_Firs/FDS_Input_Files/tree_2_m_14_pc.fds b/Validation/NIST_Douglas_Firs/FDS_Input_Files/tree_2_m_14_pc.fds
index e439942c974..a1dd7de5ff7 100644
--- a/Validation/NIST_Douglas_Firs/FDS_Input_Files/tree_2_m_14_pc.fds
+++ b/Validation/NIST_Douglas_Firs/FDS_Input_Files/tree_2_m_14_pc.fds
@@ -64,19 +64,19 @@
 
 &PART ID='foliage', DRAG_COEFFICIENT=2.8, SAMPLING_FACTOR=10, SURF_ID='foliage'
       QUANTITIES='PARTICLE TEMPERATURE','PARTICLE MASS', STATIC=.TRUE., COLOR='FOREST GREEN' /
-&INIT PART_ID='foliage', XYZ=0.0,0.0,0.15, RADIUS=0.85, HEIGHT=1.9, SHAPE='CONE', N_PARTICLES_PER_CELL=1, DRY=T, MASS_PER_VOLUME=1.64 /
+&INIT PART_ID='foliage', XYZ=0.0,0.0,0.15, RADIUS=0.85, HEIGHT=1.96, SHAPE='CONE', N_PARTICLES_PER_CELL=1, DRY=T, MASS_PER_VOLUME=1.683 /
 
 &PART ID='small roundwood', DRAG_COEFFICIENT=2.8, SAMPLING_FACTOR=10, SURF_ID='small roundwood'
       QUANTITIES='PARTICLE TEMPERATURE','PARTICLE MASS','PARTICLE DIAMETER', STATIC=.TRUE., COLOR='BROWN' /
-&INIT PART_ID='small roundwood', XYZ=0.0,0.0,0.15, RADIUS=0.85, HEIGHT=1.9, SHAPE='CONE', N_PARTICLES_PER_CELL=1, DRY=T, MASS_PER_VOLUME=0.2827 /
+&INIT PART_ID='small roundwood', XYZ=0.0,0.0,0.15, RADIUS=0.85, HEIGHT=1.96, SHAPE='CONE', N_PARTICLES_PER_CELL=1, DRY=T, MASS_PER_VOLUME=0.289 /
 
 &PART ID='medium roundwood', DRAG_COEFFICIENT=2.8, SAMPLING_FACTOR=10, SURF_ID='medium roundwood'
       QUANTITIES='PARTICLE TEMPERATURE','PARTICLE MASS','PARTICLE DIAMETER', STATIC=.TRUE., COLOR='BROWN' /
-&INIT PART_ID='medium roundwood', XYZ=0.0,0.0,0.15, RADIUS=0.85, HEIGHT=1.9, SHAPE='CONE', N_PARTICLES_PER_CELL=1, DRY=T, MASS_PER_VOLUME=0.257 /
+&INIT PART_ID='medium roundwood', XYZ=0.0,0.0,0.15, RADIUS=0.85, HEIGHT=1.96, SHAPE='CONE', N_PARTICLES_PER_CELL=1, DRY=T, MASS_PER_VOLUME=0.263 /
 
 &PART ID='large roundwood', DRAG_COEFFICIENT=2.8, SAMPLING_FACTOR=10, SURF_ID='large roundwood'
       QUANTITIES='PARTICLE TEMPERATURE','PARTICLE MASS','PARTICLE DIAMETER', STATIC=.TRUE., COLOR='BROWN' /
-&INIT PART_ID='large roundwood', XYZ=0.0,0.0,0.15, RADIUS=0.85, HEIGHT=1.9, SHAPE='CONE', N_PARTICLES_PER_CELL=1, DRY=T, MASS_PER_VOLUME=0.3855 /
+&INIT PART_ID='large roundwood', XYZ=0.0,0.0,0.15, RADIUS=0.85, HEIGHT=1.96, SHAPE='CONE', N_PARTICLES_PER_CELL=1, DRY=T, MASS_PER_VOLUME=0.394 /
 
 &PART ID='ignitor', SAMPLING_FACTOR=1, SURF_ID='burner', STATIC=.TRUE. /
 &SURF ID='burner', TMP_FRONT=1500., EMISSIVITY=1., HRRPUA=60., RAMP_T='ignite', RAMP_Q='ignite', RADIUS=0.01, GEOMETRY='SPHERICAL' /
diff --git a/Validation/NIST_Douglas_Firs/FDS_Input_Files/tree_2_m_49_pc.fds b/Validation/NIST_Douglas_Firs/FDS_Input_Files/tree_2_m_49_pc.fds
index fc4c0f4aa77..2f1722dbf3b 100644
--- a/Validation/NIST_Douglas_Firs/FDS_Input_Files/tree_2_m_49_pc.fds
+++ b/Validation/NIST_Douglas_Firs/FDS_Input_Files/tree_2_m_49_pc.fds
@@ -64,19 +64,19 @@
 
 &PART ID='foliage', DRAG_COEFFICIENT=2.8, SAMPLING_FACTOR=10, SURF_ID='foliage'
       QUANTITIES='PARTICLE TEMPERATURE','PARTICLE MASS', STATIC=.TRUE., COLOR='FOREST GREEN' /
-&INIT PART_ID='foliage', XYZ=0.0,0.0,0.15, RADIUS=0.85, HEIGHT=1.9, SHAPE='CONE', N_PARTICLES_PER_CELL=1, DRY=T, MASS_PER_VOLUME=2.632 /
+&INIT PART_ID='foliage', XYZ=0.0,0.0,0.15, RADIUS=0.85, HEIGHT=1.96, SHAPE='CONE', N_PARTICLES_PER_CELL=1, DRY=T, MASS_PER_VOLUME=2.529 /
 
 &PART ID='small roundwood', DRAG_COEFFICIENT=2.8, SAMPLING_FACTOR=10, SURF_ID='small roundwood'
       QUANTITIES='PARTICLE TEMPERATURE','PARTICLE MASS','PARTICLE DIAMETER', STATIC=.TRUE., COLOR='BROWN' /
-&INIT PART_ID='small roundwood', XYZ=0.0,0.0,0.15, RADIUS=0.85, HEIGHT=1.9, SHAPE='CONE', N_PARTICLES_PER_CELL=1, DRY=T, MASS_PER_VOLUME=0.4523 /
+&INIT PART_ID='small roundwood', XYZ=0.0,0.0,0.15, RADIUS=0.85, HEIGHT=1.96, SHAPE='CONE', N_PARTICLES_PER_CELL=1, DRY=T, MASS_PER_VOLUME=0.435 /
 
 &PART ID='medium roundwood', DRAG_COEFFICIENT=2.8, SAMPLING_FACTOR=10, SURF_ID='medium roundwood'
       QUANTITIES='PARTICLE TEMPERATURE','PARTICLE MASS','PARTICLE DIAMETER', STATIC=.TRUE., COLOR='BROWN' /
-&INIT PART_ID='medium roundwood', XYZ=0.0,0.0,0.15, RADIUS=0.85, HEIGHT=1.9, SHAPE='CONE', N_PARTICLES_PER_CELL=1, DRY=T, MASS_PER_VOLUME=0.4112 /
+&INIT PART_ID='medium roundwood', XYZ=0.0,0.0,0.15, RADIUS=0.85, HEIGHT=1.96, SHAPE='CONE', N_PARTICLES_PER_CELL=1, DRY=T, MASS_PER_VOLUME=0.395 /
 
 &PART ID='large roundwood', DRAG_COEFFICIENT=2.8, SAMPLING_FACTOR=10, SURF_ID='large roundwood'
       QUANTITIES='PARTICLE TEMPERATURE','PARTICLE MASS','PARTICLE DIAMETER', STATIC=.TRUE., COLOR='BROWN' /
-&INIT PART_ID='large roundwood', XYZ=0.0,0.0,0.15, RADIUS=0.85, HEIGHT=1.9, SHAPE='CONE', N_PARTICLES_PER_CELL=1, DRY=T, MASS_PER_VOLUME=0.6168 /
+&INIT PART_ID='large roundwood', XYZ=0.0,0.0,0.15, RADIUS=0.85, HEIGHT=1.96, SHAPE='CONE', N_PARTICLES_PER_CELL=1, DRY=T, MASS_PER_VOLUME=0.593 /
 
 &PART ID='ignitor', SAMPLING_FACTOR=1, SURF_ID='burner', STATIC=.TRUE. /
 &SURF ID='burner', TMP_FRONT=1500., EMISSIVITY=1., HRRPUA=60., RAMP_T='ignite', RAMP_Q='ignite', RADIUS=0.01, GEOMETRY='SPHERICAL' /
diff --git a/Validation/NIST_Douglas_Firs/FDS_Input_Files/tree_5_m_26_pc.fds b/Validation/NIST_Douglas_Firs/FDS_Input_Files/tree_5_m_26_pc.fds
index 4af656ec320..57db6845e29 100644
--- a/Validation/NIST_Douglas_Firs/FDS_Input_Files/tree_5_m_26_pc.fds
+++ b/Validation/NIST_Douglas_Firs/FDS_Input_Files/tree_5_m_26_pc.fds
@@ -66,19 +66,19 @@
 
 &PART ID='foliage', DRAG_COEFFICIENT=2.8, SAMPLING_FACTOR=10, SURF_ID='foliage'
       QUANTITIES='PARTICLE TEMPERATURE','PARTICLE MASS', STATIC=.TRUE., COLOR='FOREST GREEN' /
-&INIT PART_ID='foliage', XYZ=0.0,0.0,0.30, RADIUS=1.45, HEIGHT=4.3, SHAPE='CONE', N_PARTICLES_PER_CELL=1, DRY=T, MASS_PER_VOLUME=1.2336 /
+&INIT PART_ID='foliage', XYZ=0.0,0.0,0.30, RADIUS=1.45, HEIGHT=4.2, SHAPE='CONE', N_PARTICLES_PER_CELL=1, DRY=T, MASS_PER_VOLUME=1.220 /
 
 &PART ID='small roundwood', DRAG_COEFFICIENT=2.8, SAMPLING_FACTOR=10, SURF_ID='small roundwood'
       QUANTITIES='PARTICLE TEMPERATURE','PARTICLE MASS','PARTICLE DIAMETER', STATIC=.TRUE., COLOR='BROWN' /
-&INIT PART_ID='small roundwood', XYZ=0.0,0.0,0.30, RADIUS=1.45, HEIGHT=4.3, SHAPE='CONE', N_PARTICLES_PER_CELL=1, DRY=T, MASS_PER_VOLUME=0.3495 /
+&INIT PART_ID='small roundwood', XYZ=0.0,0.0,0.30, RADIUS=1.45, HEIGHT=4.2, SHAPE='CONE', N_PARTICLES_PER_CELL=1, DRY=T, MASS_PER_VOLUME=0.346 /
 
 &PART ID='medium roundwood', DRAG_COEFFICIENT=2.8, SAMPLING_FACTOR=10, SURF_ID='medium roundwood'
       QUANTITIES='PARTICLE TEMPERATURE','PARTICLE MASS','PARTICLE DIAMETER', STATIC=.TRUE., COLOR='BROWN' /
-&INIT PART_ID='medium roundwood', XYZ=0.0,0.0,0.30, RADIUS=1.45, HEIGHT=4.3, SHAPE='CONE', N_PARTICLES_PER_CELL=1, DRY=T, MASS_PER_VOLUME=0.2467 /
+&INIT PART_ID='medium roundwood', XYZ=0.0,0.0,0.30, RADIUS=1.45, HEIGHT=4.2, SHAPE='CONE', N_PARTICLES_PER_CELL=1, DRY=T, MASS_PER_VOLUME=0.244 /
 
 &PART ID='large roundwood', DRAG_COEFFICIENT=2.8, SAMPLING_FACTOR=10, SURF_ID='large roundwood'
       QUANTITIES='PARTICLE TEMPERATURE','PARTICLE MASS','PARTICLE DIAMETER', STATIC=.TRUE., COLOR='BROWN' /
-&INIT PART_ID='large roundwood', XYZ=0.0,0.0,0.30, RADIUS=1.45, HEIGHT=4.3, SHAPE='CONE', N_PARTICLES_PER_CELL=1, DRY=T, MASS_PER_VOLUME=0.2262 /
+&INIT PART_ID='large roundwood', XYZ=0.0,0.0,0.30, RADIUS=1.45, HEIGHT=4.2, SHAPE='CONE', N_PARTICLES_PER_CELL=1, DRY=T, MASS_PER_VOLUME=0.224 /
 
 &PART ID='ignitor', SAMPLING_FACTOR=1, SURF_ID='burner', STATIC=.TRUE. /
 &SURF ID='burner', TMP_FRONT=1500., EMISSIVITY=1., HRRPUA=103., RAMP_T='ignite', RAMP_Q='ignite', RADIUS=0.01, GEOMETRY='SPHERICAL' /