4.3.2.2. Welding Procedure Specification (WPS): 4.3.2.2.1. Each WPS shall be approved and based on an approved PQR that is referenced on the WPS.4.3.2.2.2. The WPS shall be used as a summary of the process parameters (Table 3) and their operational ranges listed in its related PQR. 4.3.2.2.3. Each applicable WPS shall be referenced in the shop traveler documentation. Controlled copies of the WPS shall be immediately accessible to the welder. 4.3.2.2.4. Weldments with multiple welds shall have a WPS for each weld configuration.