Information on Tox Calc ver 5.0 requested

[Your full name]

Dear all,
 
I am currently involving an assessment of outfall locations with
respective to certain criteria. One of which is toxicity assessment,
 
I shall be grateful if any one can provide me information and contact
point for the following software:-
 
ToxCalc Comprehensive Toxicity Data Analysis and Database Software
ver 5.0.
 
Please reply to my e-mail account and thanks in advance for your help
and attention.
 
K.F.Leung
 
E-mail: kfleung at hkucc.hku.hk