ASTM C1746/C1746M-19
Standard Test Method for Measurement of Suspended Sediment Removal Efficiency of Hydrodynamic Stormwater Separators and Underground Settling Devices

Standard No.

ASTM C1746/C1746M-19

Release Date

2019

Published By

American Society for Testing and Materials (ASTM)

Latest

ASTM C1746/C1746M-19

Scope

1.1 This test method concerns measurement of the efficiency of hydrodynamic separators and underground settling devices in removing suspended sediment from simulated stormwater runoff under conditions defined herein. This test method is not intended for use in determining field removal efficiency. 1.2 Units tested shall be of a size commonly manufactured, not a scale model. This test method is not intended to address product scaling. 1.3 This test method is not for measuring the removal efficiency of filters or the scouring potential of hydrodynamic separators and underground settling devices. 1.4 In this test method, only gravity flow operation is addressed—performance of units operating under pressurized conditions is not addressed. 1.5 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard. 1.6 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.7 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

ASTM C1746/C1746M-19 Referenced Document

• ASTM D422 Standard Test Method for Particle-Size Analysis of Soils
• ASTM D4959 Standard Test Method for Determination of Water Content of Soil By Direct Heating*， 2024-02-01 Update
• ASTM D854 Standard Test Methods for Specific Gravity of Soil Solids by the Water Displacement Method*， 2023-11-01 Update
• ASTM E11 Standard Specification for Wire Cloth and Sieves for Testing Purposes

ASTM C1746/C1746M-19 history

• 2019 ASTM C1746/C1746M-19 Standard Test Method for Measurement of Suspended Sediment Removal Efficiency of Hydrodynamic Stormwater Separators and Underground Settling Devices
• 2012 ASTM C1746/C1746M-12 Standard Test Method for Measurement of Suspended Sediment Removal Efficiency of Hydrodynamic Stormwater Separators and Underground Settling Devices