I have attached the transfer functions measured on BSC1. They are slightly different (rigid body modes ~5Hz) from those measured at LLO on BSC1 (similar payload) and BSC8 (the same ISI).

LHO BSC1:
https://svn.ligo.caltech.edu/svn/seismic/BSC-ISI/H1/ITMY/Data/Figures/Transfer_Functions/Measurements/Undamped
H1_ISI_ITMY_TF_L2L_Raw_from_ST1_ACT_to_ST1_CPS_2012_12_04.fig
H1_ISI_ITMY_TF_L2L_Raw_from_ST1_ACT_to_ST1_L4C_2012_12_04.fig
H1_ISI_ITMY_TF_L2L_Raw_from_ST1_ACT_to_ST1_T240_2012_12_04.fig
H1_ISI_ITMY_TF_L2L_Raw_from_ST2_ACT_to_ST2_CPS_2012_12_04.fig
H1_ISI_ITMY_TF_L2L_Raw_from_ST2_ACT_to_ST2_GS13_2012_12_04.fig

LLO BSC1:
https://svn.ligo.caltech.edu/svn/seismic/BSC-ISI/L1/ITMY/Data/Figures/Transfer_Functions/Measurements/Undamped
LLO_ISI_BSC1_TF_L2L_Raw_from_ST1_ACT_to_ST1_CPS_2012_11_07.fig
LLO_ISI_BSC1_TF_L2L_Raw_from_ST1_ACT_to_ST1_L4C_2012_11_07.fig
LLO_ISI_BSC1_TF_L2L_Raw_from_ST2_ACT_to_ST2_CPS_2012_11_07.fig
LLO_ISI_BSC1_TF_L2L_Raw_from_ST2_ACT_to_ST2_GS13_2012_11_07.fig

LHO BSC8:
https://svn.ligo.caltech.edu/svn/seismic/BSC-ISI/H2/ITMY/Data/Figures/Transfer_Functions/Measurements/Undamped/
LHO_ISI_BSC8_TF_L2L_Raw_from_ST1_ACT_to_ST1_CPS_2012_05_21.fig
LHO_ISI_BSC8_TF_L2L_Raw_from_ST1_ACT_to_ST1_L4C_2012_05_21.fig
LHO_ISI_BSC8_TF_L2L_Raw_from_ST2_ACT_to_ST2_CPS_2012_05_21.fig
LHO_ISI_BSC8_TF_L2L_Raw_from_ST2_ACT_to_ST2_GS13_2012_05_21.fig