One of the following people can be contacted for any waterfall target problem:
| Name | Home Institute phone | |
| Evaristo Cisbani | +39-6-49902847 | Cisbani@vaxsan.iss.infn.it |
| Franco Garibaldi | +39-6-49902243 | Garibaldi@Vaxsan.iss.infn.it |
| Stefano Colilli | +39-6-49902832 | Colilli@vaxsan.iss.infn.it |
| Maurizio Lucentini | +39-6-49902232 | Lucentini@vaxsan.iss.infn.it |
| Fabio Santavenere | +39-6-49902232 | Santavenere@vaxsan.iss.infn.it |
| Massimo Gricia | +39-6-49902232 | Gricia@vaxsan.iss.infn.it |
| Mauro Iodice | +39-6-49902235 | Mauro@vaxsan.iss.infn.it |
| Guido Urciuoli | +39-6-4457165 | Urciuoli@vaxsan.iss.infn.it |
| Salvatore Frullani | +39-6-49902234 | Frullani@vaxsan.iss.infn.it |
| Roberto Perrino | +39-832-320504 | Perrino@Le.infn.it |
| Antonio Leone | +39-832-320504 | Leone@Le.infn.it |
The phone at Jefferson Lab is x5794.
In absence of the forementioned people please contact: Meme Liang, Arun Saha, Ed Folts, James Proffitt or Mark Stevens, all of them at @Cebaf.gov