When "standard" means the level of quality of something, it can be followed by "of", "for" or "on".
I understand that "a standard for something" emphasizes the purposefulness of the standard, and it usually means someone is making the standard "for" someone else, whereas "a standard of something" means an acceptable quality of something.
What I have trouble with is distinguishing between "standards of" and "standards on".
In a news article from the Guardian, both usages can be found: https://www.theguardian.com/environment/2020/jan/08/uk-could-put-tariffs-on-food-from-countries-with-lower-standards
"We put in our manifesto our commitment to our standards of food safety and food security, animal welfare and the environment."
"For a country such as the UK to insist on being able to maintain its own high standards on environmental protections would be legal under WTO rules."
Are these two usages interchangeable, or are there any nuances that I am missing?