(1) Beginning January 1, 2024, the owner or operator of a facility that has a refrigeration or air conditioning system with a full charge greater than or equal to 50 pounds and that uses a refrigerant with a GWP of 150 or more must maintain the following records for a minimum of five years:

(a) All registration information required in WAC 173-443-115;

(b) Documentation of all leak detection systems, leak inspections, and annual audit and calibrations for automatic leak detection systems and leak rate calculations, as defined in WAC 173-443-030;

(c) Records of system service and refrigerant leak repairs and documentation of any conditions allowing more than 14 days to repair a refrigerant leak after detection under WAC 173-443-165 (3) or (4);

(d) Any retrofit or retirement plan required under WAC 173-443-175;

(e) All reports required by WAC 173-443-185;

(f) Any application for an exemption under WAC 173-443-235 and any ecology notification of approval, denial, revocation, or modification of an exemption;

(g) Any plan or other written documentation required under WAC 173-443-145 (2)(a)(ii), signed by the facility's representative, indicating that the refrigeration or air conditioning system will be replaced or retrofitted to a refrigerant with a GWP of less than 150 before January 1, 2027;

(h) Invoices of all purchases of refrigerant(s) with a GWP of 150 or more;

(i) Records of all shipments of refrigerant(s) with a GWP of 150 or more for reclamation or destruction. The records must include all of the following information:

(i) Name and address of the person the refrigerant was shipped to;

(ii) Date of shipment;

(iii) Type of refrigerant shipped;

(iv) Purpose of shipment (e.g., reclamation or destruction); and

(j) Records of all refrigeration or air conditioning systems component data, measurements, calculations, and assumptions used to determine the full charge.

(2) The records in subsection (1) of this section must be kept at the facility where the refrigeration or air conditioning system is in operation and must be made available to an authorized representative of ecology's HFC program upon request.