A pressurized boiler line lets go during a retrofit in a Sunset Park warehouse, and the blast knocks you off your feet. Or a gas leak ignites in the basement of a Brooklyn brownstone while you're roughing in the plumbing two floors up. The burns heal and the fractures mend, but the ringing in your ears never stops — or the hearing in one or both ears never comes back. Now you're left asking a hard question: what is a traumatic hearing loss case worth in New York? The honest a