| Symbol | PROCESS | In addition to the general and specific range of each process, a few particular insta nces of interest are given below. These do not necessarily form new detail levels but rather constitute random items arisen from practice |
| P01 | Production | a) Intake b) Collection c) Sewerage d) Pumping |
| P02 | Transportation | a) Pipeline b) Sewer c) Canal d) Main outlet sewer e) Pumping |
| P03 | Treatment | a) Purification b) Waste treatment c) Disinfection d) Reduction e) Reuse f) Recycling g) Reject h) Landfill i) Manipulation j) Catalysts k) Electrostatic precipitation l) Disinfestation |
| P04 | Storage | a) Tank b) Warehouse c) Inventory |
| P05 | Distribution | a) House connections b) Pumping c) Marketing |
| P06 | Final destination | a) Elimination b) Final disposal c) Discharge d) Dumping e) Drainage |
| P07 | Improvement | a) P10 to P17 b) Development c) Conservation |
| P08 | Safety | a) P10 to P17 b) Industrial safety |
| P09 | Hygiene | a) P10 to P17 b) Other processes |
| P10 | Control | a) Inspection b) Sampling c) Analysis |
| P11 | Surveillance | a) Inspection b) Sampling c) Analysis d) Epidemiological surveillance. |
| P12 | Consultancy | a) National/International cooperation |
| P13 | Information | a) Social communication networks |
| P14 | Education* | a) Curriculum modification b) Environmentaleducation |
| P15 | Social participation | a) Community participation (incl. NGO’s and society at large) |
| P16 | Research | a) Community-linked research |
| P17 | Risk assessment | a) Environmental evaluation b) EHIA** c) Exposure assessment |
| P99 | P01 to P17 |
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