You can use the DEL EXEC, available from NETSERV to purge X-DEL JOBs
 
DEL X-DEL JOB
 
will do it.
 
DEL X-DEL JOB (cp transfer rdr / to "userid"
 
will transfer the jobs to your favourite  "userid" where you can peek them one
by one and keep the good ones.
 
- Stelios