Why, why would these commercial roasters allow a "news organization" to analyze the air? Maybe you allow - maybe - a scientific-based organization to do the testing but a news organization has an agenda. Full stop.
"Boss, can I go analyze the air down at Big Coffee Roaster's facility?"
"What for?"
"I read this comment on reddit about diactyl - it's supposedly really bad and most people don't know about it. I bet it's all over that facility and they don't know it."
"This could be huge - make sure you bring back something good..."