As renovation work soars in Massachusetts, the risk of running into asbestos embedded in old buildings also increases, putting some laborers in grave danger.

After analyzing five years of enforcement cases, The Eye and WBUR found that huge gaps exist between what state and federal regulators say are mandated safety standards and what’s actually happening on the ground. Further, the state EPA performed just 527 inspections in fiscal year 2015, less than half the number conducted in 2012.