This is my first UOA.I don't put many miles on an oil change but I do change every 6 months.
3717 miles/6 months on oil
95412 on 7.3 PSD
glycol 0
cu 1
fe 10
cr 2
pb 1
al 2
si 5
sn 0
mo 8
ni 1
mg 196
zn 1170
ca 2368
p 1151
b 5
ba 0
cd 0
mn 0
ag 0
ti 0
v 0
k 1
soot 0
water n
nitration 6
sulphur 18...