Pete the penguin says…. “Before the show begins, don’t forget to visit the snack bar”. MDEQ DRO/ORO Analysis. 8015 – GC/FID. EPA 8015 and Wisconsin 8015. These methods define Diesel Range Organics, DRO, as anything eluting between C 10 and C 28 No other carbon ranges included.
8015 – GC/FID
Surrogate works OK if sample contains diesel or 10W30 and even better as the analyte levels decrease. If you have no analyte, the surrogate will give you a good measure of extraction recovery.Technical Details Surrogate Recovery