SAK9 thanks for the responce, part of my problem is that its passing on particule or particulate count, its a viable or bacteria count TBCs (total bacteria count i.e. moulds fungas spores etc)that we are failing on and this is fairly wide spread in the cleanrooms, so far ive tried to narrow the...
Quark thanks for the responce, on investigating i found that the air changes in certain areas are as low as 10 to 15 ac/h also with an increase in traffic plant wide there is now 3 no. cleanrooms failing in viable air counts (Live bacteria)as i have no way of increaseing the capacity of the AHUs...
I am investigating a contamination problem with a class 100000 clean room for a Medical devices plant.I would like to know what is the recommended air change per hour for a class 100 000 cleanroom and its gowning area and where would i find the information to back this up.Also as there is...
