hi
this my configuration in squid.conf for delay pools:

###################################
http_access allow MyLan
acl MyLan src 192.168.100.0/24
delay_pools 2
delay_class 1 1
delay_class 2 1
delay_parameters 1 10000/10000
delay_parameters 2 20000/20000
delay_access 1 deny MyLan
delay_access 2 deny MyLan
####################################

so, the problem is the connection side of client not deny...
and work like it normal......