Wis. Admin. Code NR 662.040
Recordkeeping
Cite as Wis. Admin. Code NR § 662.040
Recordkeeping.
(1) A generator shall keep a copy of each manifest signed in accordance with s. NR 662.023 (1) for 3 years or until the generator receives a signed copy from the designated facility that received the waste. This signed copy shall be retained as a record for at least 3 years from the date the waste was accepted by the initial transporter.
(2) A generator shall keep a copy of each annual report and exception report for a period of at least 3 years from the due date of the report.
(3) A generator shall comply with s. NR 662.011 (6) for recordkeeping requirements for documenting hazardous waste determinations.
(4) The periods or retention referred to in this section are extended automatically during the course of any unresolved enforcement action regarding the regulated activity or as requested by the department.