"Yes, the quality of a lab is always dependent on the resources available." He states calmly. "Out of curiosity what exactly is that that you work on down here?"

From looking around he'd say it wasn't the same chemistry based lab work that Sherlock himself would be regularly performing.

"I would need access to several different reagents for my work of course, as well as if I'm absorbed in my work it's better for all parties to not talk to me."