I'm telling ya, ya wants to boils that dust-speck a while or it'll git ya!

This is one of those ounce of prevention=several kilos worth of cure kinda precautions.

Better to overboil it and not need it, than to underboil it and get a parasitic infection.

Don't say I didn't warn ya. Been there, done that, don't ever want to do it again. The EPA guideline ain't that conservative, more of a minimum.