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Elemental Concentrations given urine dosages of 100 kg ammonia nitrogen per hectare.
| Species | Unit | Urine application | 1995 Swedish limit | 2000 Swedish Limit | 2003 US Limit | California Limit | San Diego County Limit |
|---|
| Total N | kg/ha | 102 | | | | | |
| NH3/NH4+-N | kg/ha | 100 | 150 | 150 | | | |
| P | kg/ha | 9 | 22 | 22 | | | |
| K | kg/ha | 28 | | | | | |
| Hg | g/ha | 0.01 | 2.5 | 1.5 | | | |
| Cd | g/ha | 0.03 | 1.75 | 0.75 | | | |
| Pb | g/ha | 0.3 | 100 | 25 | | | |
| Cr | g/ha | 0.5 | 100 | 40 | | | |
| Ni | g/ha | 1.7 | 50 | 25 | | | |
| Cu | g/ha | 69 | 600 | 300 | | | |
| Zn | g/ha | 5.5 | 800 | 600 | | | |
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