Recent events in our community, like the Ann Arbor area’s 1,4-dioxane plume , have increased residents’ awareness of – and concern about – the chemicals companies use. While many state and federal regulations may exist that govern chemical storage and manufacturing, these regulations generally do not involve an onsite inspection component. As a result, the programs are enforced on a complaint basis or incident, after the fact. In this week’s "Issues of the Environment," WEMU’s David Fair talks