Did you clarify the rule for controlling of Historical Land Use Information and start control it ?(article 19 of Detailed Rules for Site Environmental Assurance(EB-201))
Controlled Information on Historical Land Use : Standards for Investigating Soil and Groundwater(EC-202) Exhibit 3
An Organization shall collect, control and permanently store the information related to the historical use of its owned land in a chronological manner
The information shall be reviewed annually, and updated as the situation changes."