Trigger Scintillators S1/S2 (University of Regina)
Aerogel Cerenkov Counter (University of Regina/INFN)
Gas Cerenkov Counter (Saclay/INFN)
Preshower Counter (Yerevan)
Shower Counter (University of Maryland)
Total Absorption Shower Counter (combination of preshower and shower)
Hall A High Resolution Spectrometers maintained by ole@jlab.org