Thanks for the quick replies. The car has not been serviced other than the oil change and you may be right in that something other than Mobil 1 was used. It is however a very reputable shop.
Ahother suggestion from a PCA member was to add some Uview coolant dye, change the oil in 3000 miles and...
I have a 2008 Porsche C2S with 44,000 miles on it (bone stock car). I change my oil every 5000 miles with Mobil 1 0/40W. On my last Blackstone analysis, they said my sodium was high (69) versus the previous two reports of 6 and 7 respectively. Potassium is right in line with where it should be...