In pharmaceutical project, we have differential pressure between classified room and non-classified room for protecting cross-contamination, and i remenber the pressure difference should be higher than 0.05 In.wg for sterile product manufacturing.
But, i could'nt find any regulation of minimum...
I have been requested to design underground wine stoage, therefore I found some data for temperature and humidity requirements for the storage, But I could'nt find any data for ventilation system. For example, how much fresh air should be supplied, Should fresh air be pre-cooled or pre-heated...