"Standard Reference Meat Homogenate" and "Standard Reference Domestic Sludge"

From a thread about the National Institute of Standards and Technology, or NIST:

Here’s some Standard Reference Meat Homogenate, which is actually SPAM, produced by Hormell but characterized in excruciating detail on sophisticated instruments. Those Standard Reference Multivitamins are important for ensuring safety in the dietary-supplement supply chain. pic.twitter.com/beESvf1QtK

— Jon Bruner (@JonBruner) March 1, 2019

Also of course, Standard Reference Domestic Sludge. You can buy Standard Reference New Jersey Soil as well. pic.twitter.com/gS5a3W3eF6

— Jon Bruner (@JonBruner) March 1, 2019