| SAMP_SAMPLE_DATE | DETE_DESC | MEAS_SIGN | MEAS_RESULT | UNIT_SHORT_DESC |
| 25-Jun-91 | NITRITE - as N | < | 0.002 | mg/l |
| 01-Oct-91 | NITRITE - as N | 0.03 | mg/l | |
| 16-Jan-92 | NITRITE - as N | < | 0.002 | mg/l |
| 19-Feb-92 | NITRITE - as N | < | 0.002 | mg/l |
| 10-Mar-92 | NITRITE - as N | 0.002 | mg/l | |
| 15-Apr-92 | NITRITE - as N | < | 0.002 | mg/l |
| 09-Jun-92 | NITRITE - as N | < | 0.002 | mg/l |
| 15-Jul-92 | NITRITE - as N | < | 0.002 | mg/l |
| 11-Aug-92 | NITRITE - as N | < | 0.003 | mg/l |
| 22-Oct-92 | NITRITE - as N | 0.004 | mg/l | |
| 16-Nov-92 | NITRITE - as N | < | 0.003 | mg/l |
| 15-Dec-92 | NITRITE - as N | < | 0.003 | mg/l |
| 17-Dec-92 | NITRITE - as N | < | 0.003 | mg/l |
| 29-Jan-93 | NITRITE - as N | < | 0.003 | mg/l |
| 30-Apr-93 | NITRITE - as N | < | 0.003 | mg/l |
| 27-May-93 | NITRITE - as N | < | 0.003 | mg/l |
| 23-Jun-93 | NITRITE - as N | < | 0.003 | mg/l |
| 26-Aug-93 | NITRITE - as N | < | 0.003 | mg/l |
| 29-Oct-93 | NITRITE - as N | < | 0.004 | mg/l |
| 25-Nov-93 | NITRITE - as N | < | 0.004 | mg/l |
| 22-Dec-93 | NITRITE - as N | < | 0.004 | mg/l |
| 28-Jan-94 | NITRITE - as N | < | 0.004 | mg/l |
| 24-Feb-94 | NITRITE - as N | < | 0.004 | mg/l |
| 27-Mar-94 | NITRITE - as N | < | 0.004 | mg/l |
| 22-Jun-94 | NITRITE - as N | < | 0.004 | mg/l |
| 29-Jul-94 | NITRITE - as N | < | 0.004 | mg/l |
| 25-Aug-94 | NITRITE - as N | < | 0.004 | mg/l |
| 21-Sep-94 | NITRITE - as N | < | 0.004 | mg/l |
| 26-Oct-94 | NITRITE - as N | < | 0.004 | mg/l |
| 25-Nov-94 | NITRITE - as N | < | 0.004 | mg/l |
| 25-May-95 | NITRITE - as N | 0.005 | mg/l | |
| 25-May-95 | NITRITE - as N | < | 0.004 | mg/l |
| 25-May-95 | NITRITE - as N | < | 0.004 | mg/l |
| 25-May-95 | NITRITE - as N | < | 0.004 | mg/l |
| 25-May-95 | NITRITE - as N | < | 0.004 | mg/l |
| 25-May-95 | NITRITE - as N | < | 0.004 | mg/l |
| 25-May-95 | NITRITE - as N | < | 0.004 | mg/l |