Frozen tissue and allografts need to be monitored at all times beginning Jul 1, 2005 due to new JCAHO regulations for compliance. Consider ultra-cold digital temperature validators programmed for sampling on-board and recording to -100C and then download the data to CD for file record to meet these new requirements...product code: ATW-VJ-1E-DN-16-L with digital display and up to 16,000 readings...www.atw-international.com
Hope this helps...