Department of Natural Resources (NR)
Administrative Code Chapter Group Affected:
Chs. NR 600-699; Environmental Protection – Hazardous Waste Management
Administrative Code Chapters Affected:
Ch. NR 660 (Revised)
Ch. NR 661 (Revised)
Ch. NR 661 Appendix I (Revised)
Ch. NR 661 Appendix IX (Revised)
Ch. NR 661 Appendix VII (Revised)
Ch. NR 661 Appendix VIII (Revised)
Ch. NR 662 (Revised)
Ch. NR 663 (Revised)
Ch. NR 664 (Revised)
Ch. NR 664 Appendix I (Revised)
Ch. NR 664 Appendix IV (Revised)
Ch. NR 664 Appendix IX (Revised)
Ch. NR 664 Appendix V (Revised)
Ch. NR 665 (Revised)
Ch. NR 665 Appendix I (Revised)
Ch. NR 665 Appendix III (Revised)
Ch. NR 665 Appendix IV (Revised)
Ch. NR 665 Appendix V (Revised)
Ch. NR 665 Appendix VI (Revised)
Ch. NR 666 (Revised)
Ch. NR 666 Appendix I (Revised)
Ch. NR 666 Appendix II (Revised)
Ch. NR 666 Appendix III (Revised)
Ch. NR 666 Appendix IV (Revised)
Ch. NR 666 Appendix V (Revised)
Ch. NR 666 Appendix VI (Revised)
Ch. NR 666 Appendix VII (Revised)
Ch. NR 666 Appendix VIII (Revised)
Ch. NR 666 Appendix XI (Revised)
Ch. NR 666 Appendix XII (Revised)
Ch. NR 666 Appendix XIII (Revised)
Ch. NR 667 (Revised)
Ch. NR 668 (Revised)
Ch. NR 668 Appendix III (Revised)
Ch. NR 668 Appendix IV (Revised)
Ch. NR 668 Appendix IX (Revised)
Ch. NR 668 Appendix VI (Revised)
Ch. NR 668 Appendix VII (Revised)
Ch. NR 668 Appendix XI (Revised)
Ch. NR 670 (Revised)
Ch. NR 670 Appendix I (Revised)
Ch. NR 670 Appendix II (Revised)
Ch. NR 673 (Revised)
Ch. NR 679 (Revised)
Related to: Revisions to chs. NR 660 to 679, pertaining to hazardous waste recordkeeping and reporting requirements, Canadian import-export operation codes, and standards for spent refrigerants being recycled for reuse
Text: Text of SS 037-25
Date Statement Approved by Governor: June 12, 2025
Date Statement Expires Under s. 227.135 (5), Stats.: December 23, 2027
