Many companies spend significant dollars to pay for expensive environmental testing and reporting.
In most cases those tests and reports are designed to meet imediate needs of a compliance demonstration or other regulatory requirement. However, the data from such testing almost always is valuable beyond the imediate need. Over time more and more of these types of tests accumulate even larger amounts of data. As time moves on the need to review the past testing and operational data can become acute. Environmental regulations change and as they do the potential impacts of the changes need to be assessed and a review of the past data becomes part of that assessment.