Marks in the running surface of new rail.

[Ploughman]

Recently noticed some marks in the running surface of brand new rail 2011 56E1.
Indicated by the key.
It was bought as non prime for use in low speed track 25 mph.
Question Is there anything that should preferably be done prior to use?
Such as using a rail grinder or leave it to roll out under traffic?

 

[Trog]

Unless you suspect piping below the mark I would not worry at that speed.

 

[Ploughman]

Unless you suspect piping below the mark I would not worry at that speed.

Thought as much. Thanks for the reply anyway.
From the look of it some swarf or grit must have been trapped in the rollers at Scunthorpe.