13.-1510. Steam.

13.- WASH Glossary.
13.-1509. Steam engine.
13.-1508. Static water level.
13.-1507. Standing water - stagnant water.
13.-1506. Stakeholder.
13.-1505. Stakeholder analysis.
13.-1504. Stage.
13.-1503. Stack effect.
13.-1502. Stabilised.
13.-1501. Stabilised faecal sludge.
13.-1500. Stabilisation.
13.-1499. Stabilisation phase.
13.-1498. Squatter.
13.-1497. Sprinkler irrigation.
13.-1496. Spring.
13.-1495. Spring water.
13.-1494. Spring catchment area.
13.-1493. Spray irrigation.
13.-1492. Sprain.
13.-1491. Splash pool.
13.-1490. Spilt water.
13.-1489. Sphere project.
13.-1488. Speleology.
13.-1487. Specific surface area.
13.-1486. Specific conductance.
13.-1485. Spate irrigation.
13.-1484. Source separation.
13.-1483. Source protection.
13.-1482. Source control.
13.-1481. Sonolysis.