260/280 ratio - (Dec/30/2019 )

Hi,

after exracting DNA and RNA both from a sample, my 2260/280 ratio is round 3.1 to 3.3

What does a high 260/280 ratio imply?

https://www.nhm.ac.uk/content/dam/nhmwww/our-science/dpts-facilities-staff/Coreresearchlabs/nanodrop.pdf