Revised Code of Washington (RCW) or Laws
| RCW 15.80 | Weighmasters |
| RCW 19.112 | Motor Fuel Quality Act |
| RCW 19.94 | Weights and Measures |
| RCW 82.38.020 | DOL Fuel Definitions |
Washington Administrative Code (WAC) or Rules
| WAC 16-645 | Hops Bales - Weights and Tares |
| WAC 16-659 | Weights and Measures - Liquefied Petroleum Gas |
| WAC 16-662 | Weights and Measures - National Handbooks and Retail Sale of Motor Fuel |
| WAC 16-663 | Service Agents - Reporting, Test Procedures, Standards and Calibration of Weighing and Measuring Devices |
| WAC 16-674 | Weights and Measures - Exemptions, Weighmasters and Device Registration |
| WAC 16-675 | Calibration Services, Special Inspection and Testing Fees |