In addition to performing the waste analysis required by s. NR 665.0013, the owner or operator shall do any of the following, whenever a tank system is to be used to treat chemically or to store a hazardous waste that is substantially different from waste previously treated or stored in that tank system; or treat chemically a hazardous waste with a substantially different process than any previously used in that tank system:
Wis. Admin. Code Department of Natural Resources NR 665.0200
Section NR 665.0013 requires the waste analysis plan to include analyses needed to comply with ss. NR 665.0198 and 665.0199. Section NR 665.0073 requires the owner or operator to place the results from each waste analysis and trial test, or the documented information, in the operating record of the facility.