13.-1150. Polishing pond.

13.- WASH Glossary.
13.-1149. Point-source collection.
13.-1148. Point of use - ( POU ).
13.-1147. Point of entry - ( POE ).
13.-1145. Point of use - ( POU ).
13.-1146. Point source of contamination.
13.-1144. Point of use - ( POU ) - chlorination.
13.-1143. Point of supply - chlorination.
13.-1142. Point of collection - abstraction.
13.-1141. Plug-flow reactor - ( PFR ).
13.-1140. Platform.
13.-1139. Plateau.
13.-1138. Planting pits.
13.-1137. Planted drying beds.
13.-1136. Planning with the community.
13.-1135. Plankton.
13.-1134. Pitcher irrigation.
13.-1133. Pit latrine.
13.-1132. Pit humus.
13.-1131. Pit composting toilet.
13.-1130. Piston.
13.-1129. Piston - Plunger suction pump.
13.-1128. Piezometric surface.
13.-1127. Piezometric level.
13.-1126. Piezometer.
13.-1125. Piedmont.
13.-1124. Phytoremediation.
13.-1123. Phytoplankon.
13.-1122. Phreatophytes.
13.-1121. Phreatic level.