13.-1286. Rhizofiltration.

Watsan matters
13.-1285. Revolutions per minute - ( RPM ).
13.-1284. Reverse osmosis - ( RO ).
13.-1283. Reuse.
13.-1282. Reuse of urine and faeces in agriculture.
13.-1281. Reuse of energy products from waste and wastewater.
13.-1280. Reuse of blackwater and greywater in agriculture.
13.-1279. Return period.
13.-1278. Return flow.
13.-1277. Return flow - ( irrigation ).
13.-1276. Retention time.
13.-1275. Retention storage.
13.-1274. Retention basin.
13.-1273. Retailer.
13.-1272. Resuspension.
13.-1271. Resurgence.
13.-1270. Restriction in water use.
13.-1269. Resource recovery and safe reuse - ( RRR ).
13.-1268. Resilience.
13.-1267. Residual risk.
13.-1266. Residual protection.
13.-1265. Residual pressure.
13.-1264. Residual chlorine.
13.-1263. Reservoir.
13.-1262. Reserves.
13.-1261. Renewable groundwater.
13.-1260. Remediation.
13.-1259. Reliability of supply.
13.-1258. Reject water.
13.-1257. Rehabilitation.