Today i was deferred because my hermetic rate was at 55, 1 point over being acceptable. i have an issue with this policy because this number can fluctuate so much with the amount and type of food consumed and amount of water drunk. I could have rescheduled the appointment for later in the day or even a couple hours later and gotten that number down to the acceptable level. This hermetic level has always been and issue with me in that there should be a way of checking this mechanically/electronically and totally removing the human intervention. I’ve been donating for 10 years and seen too many errors made by the screening technicians to where I’ve been deferred by the technician entering information incorrectly and no fault of my own.