To all: We were surprised to find after coming in this morning that system #4 had been run over the weekend and had some trouble. The running samples are from Food Science. #4( from record). The first , HPLC system is public equipment that is to be shared with other researchers at Purdue but the best way is to have training and let the Recharge Team know that you are running a sample(s). We know most all of you have had training so we are asking you to help us inform any collaborators that you may be working with of this best practice that will help keep our HPLC running well. As another reminder, if you are running the HPLC please do not delete the recording of a sample even if there was an error in the sample as this helps with our sample accounting. Again You run samples on weekend, have to careful observation the HPLC situation, turn off the system if any trouble happen. Thanks for your cooperation, HPLC Recharge Center