13.- WASH Glossary.

13.-1570. Sustainable high rate ammonium removal over nitrate.

13.-1569. Sustainability.

13.-1568. Suspended-sediment discharge.

13.-1567. Suspended-sediment concentration.

13.-1566. Suspended solids.

13.-1565. Suspended sediment.

13.-1564. Surfactants.

13.-1563. Surface water.

13.-1562. Surface water management.

13.-1561. Surface tension.

13.-1560. Surface run-off.

13.-1559. Surface pump.

13.-1558. Surface irrigation.

13.-1557. Surface groundwater recharge.

13.-1556. Surface disposal and storage.

13.-1555. Surface disposal and sanitary landfill.

13.-1554. Surcharge.

13.-1553. Supply chain.

13.-1552. Superstructure.

13.-1551. Supernatum.

13.-1550. Supernatant.

13.-1549. Sulphur dioxide - ( SO2 ).

13.-1548. Sullage.

13.-1547. Sullage - greywater.

13.-1546. SUDS.

13.-1545. Suction.

13.-1544. Suction water level.

13.-1543. Suction pump.

13.-1542. Suction lift - ( suction head ).

13.-1541. Subsurface water.