Arduino Standards

I am using the Adruino Mega for a project and need to write a design report. For the report I need to include any Engineering standards that this microcontroller adheres to (example: ieee standards, ANSI, ISO etc.) Is there anywhere where I can find any standards that relate to this microcontroller? (if any)
Any feedback would be greatly appreciated.
Thank you.

Also posted at:
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I don't believe that any "standards" apply.
It might have FCC and CE conformance, such as it is for this style of board... USB2.0 for the USB interface...