 Of nationwide "more than 140 cushion workers nationwide, mostly from plants in Utah, Mississippi and North Carolina,[...] that had been exposed to dangerous levels of the chemical, many of them sickened and [are] unable to walk".One worker's long-term exposure resulting in neurological damage was covered in the NY Times.Air sampling for the level of 1-bromopropane and monitoring workers' urine for metabolites are both effective at measuring workers' exposure.