Standard Water Quality Report
Download Raw Water Quality Data CSVSample Point - DCR1 |
Download Sample Point Report CSV / Inflow: Yes / Outflow: No
Date | Method of Flow | Flow - Field (gal/min) | pH - Field (S.U.) | pH - Lab (S.U.) | ORP - Field (mvolts) | DO - Field (mg/L) | Temp - Field (C) | Cond - Lab (umhos/cm) | Alkalinity - Field (mg/L) | Alkalinity - Lab (mg/L) | Acidity - Lab (mg/L) | T. Fe - Lab (mg/L) | D. Fe - Lab (mg/L) | T. Mn - Lab (mg/L) | D. Mn - Lab (mg/L) | T. Al - Lab (mg/L) | D. Al - Lab (mg/L) | SO4 - Lab (mg/L) | TSS - Lab (mg/L) | Ferrous Iron (mg/L) Lab |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2001-08-23 | -- | -- | 3.2 | 2.9 | -- | -- | -- | -- | -- | 0 | 330 | 8.04 | -- | 7.46 | -- | 39.9 | -- | 289 | 3 | -- |
| 2006-10-05 | -- | -- | -- | 3.1 | -- | -- | -- | -- | -- | 0 | 176.8 | 3.44 | -- | 4.27 | -- | 18.2 | -- | 252.4 | 3 | -- |
| 2008-07-31 | -- | -- | 2.88 | 2.8 | -- | -- | -- | -- | -- | 0 | 376.2 | 5.271 | -- | 7.21 | -- | 43.297 | -- | 499 | 5 | -- |
| 2009-09-30 | -- | -- | 3.15 | 3.1 | -- | -- | -- | -- | -- | 0 | 206.8 | 3.79 | -- | 4.23 | -- | 20.7 | -- | 271.1 | 8 | 0.87 |
| 2010-04-20 | -- | -- | 3.03 | 2.9 | -- | -- | -- | -- | -- | 0 | 277.6 | 3.618 | -- | 6.422 | -- | 35.156 | -- | 346.8 | 5 | 1.74 |
| 2013-10-01 | -- | 5 | 3.18 | 3.07 | 510 | 8.4 | 19.1 | 773 | 0 | 0 | 114.4 | 5.89 | -- | 5.05 | -- | 17.29 | -- | 217.6 | <5 | -- |
| 2016-10-23 | -- | -- | 2.52 | 2.9 | -- | -- | -- | -- | -- | 0 | 251.6 | 2.999 | -- | 4.937 | -- | 30.846 | -- | 299.5 | 5 | 1.613 |
| 2017-01-22 | -- | -- | 2.98 | 2.9 | -- | -- | -- | -- | -- | 0 | 251.8 | 2.438 | -- | 5.002 | -- | 31.55 | -- | 274.3 | 5 | 0.837 |
| 2017-04-23 | -- | -- | 2.9 | 2.9 | -- | -- | -- | -- | -- | 0 | 227.8 | 2.351 | -- | 4.277 | -- | 25.75 | -- | 73.3 | 5 | 0.873 |
| 2017-07-23 | -- | -- | 2.81 | 2.9 | -- | -- | -- | -- | -- | 0 | 226.8 | 3.076 | -- | 3.996 | -- | 21.766 | -- | 314.7 | 5 | 1.437 |
| 2017-10-15 | -- | -- | 2.9 | 2.9 | -- | -- | -- | -- | -- | 0 | 274.8 | 3.757 | -- | 4.885 | -- | 29.605 | -- | 361.9 | 5 | 1.527 |
| 2018-01-28 | -- | -- | -- | 3 | -- | -- | -- | -- | -- | 0 | 220.8 | 1.726 | -- | 3.727 | -- | 23.19 | -- | 310.9 | 12 | 0.621 |
| 2018-05-01 | -- | -- | 2.68 | 2.9 | -- | -- | 13.5 | -- | -- | 0 | 202.4 | 1.549 | -- | 3.779 | -- | 21.496 | -- | 333.5 | 5 | 0.458 |
| 2018-10-14 | -- | -- | 3.22 | 3 | -- | -- | 9.7 | -- | -- | 0 | 179 | 2.211 | -- | 3.999 | -- | 20.126 | -- | 274.3 | 8 | 0.297 |
| 2018-12-06 | -- | -- | -- | 3.10 | -- | -- | 5.0 | -- | -- | 0 | 103.48 | 1.82 | 1.74 | 2.78 | 2.66 | 9.74 | 9.38 | 177.6 | <5 | -- |
| 2019-03-23 | -- | -- | 2.82 | -- | -- | 11.9 | 4.2 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| 2019-11-20 | -- | 29.00 | 3.67 | 3.44 | -- | -- | 12.0 | 433.8 | -- | 0 | 87 | 2.84 | -- | 2.59 | -- | 9.01 | -- | 179.0 | <5 | -- |
| Minimum: | -- | 5 | 2.52 | 2.8 | 510 | 8.4 | 4.2 | 433.8 | 0 | 0 | 87 | 1.549 | 1.74 | 2.59 | 2.66 | 9.01 | 9.38 | 73.3 | 3 | 0.297 |
| Maximum: | -- | 29.00 | 3.67 | 3.44 | 510 | 11.9 | 19.1 | 773 | 0 | 0 | 376.2 | 8.04 | 1.74 | 7.46 | 2.66 | 43.297 | 9.38 | 499 | 12 | 1.74 |
| Average: | -- | 17 | 3.00 | 2.99 | 510 | 10.15 | 10.6 | 603 | 0 | 0 | 219.2 | 3.43 | 1.74 | 4.66 | 2.66 | 24.85 | 9.38 | 279.7 | 5.7 | 1.03 |
| Range: | -- | 24 | 1.15 | 0.64 | 0 | 3.5 | 14.9 | 339.2 | 0 | 0 | 289.2 | 6.491 | 0 | 4.87 | 0 | 34.287 | 0 | 425.7 | 9 | 1.443 |
| Median: | -- | 17 | 2.94 | 2.9 | 510 | 10.15 | 10.85 | 603.4 | 0 | 0 | 223.8 | 3.04 | 1.74 | 4.27 | 2.66 | 22.48 | 9.38 | 281.65 | 5 | 0.87 |
| Loading (lb/day): | -- | -- | 18.6 | 0.67 | -- | 0.6 | -- | 2.09 | -- |
Sample Point Description: USGS#27 DISCHARGE ENTERING THE SWALLOW TREATMENT SYSTEM
- Records with no value are not included in statistical calculations.
- Values lower than the minimum detection limit are assumed to be 0.
- Average pH is calculated using the arithmetic mean of pH values. Hydronium ion concentrations were not used.
- This work is licensed under the Creative Commons Attribution-NonCommercial-ShareAlike License.
To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-sa/2.5/ or send a letter to Creative Commons, 559 Nathan Abbott Way, Stanford, California 94305, USA.
Sample Point - DCR1.5 |
Download Sample Point Report CSV / Inflow: No / Outflow: Yes
Date | Method of Flow | Flow - Field (gal/min) | pH - Field (S.U.) | pH - Lab (S.U.) | ORP - Field (mvolts) | DO - Field (mg/L) | Temp - Field (C) | Cond - Lab (umhos/cm) | Alkalinity - Field (mg/L) | Alkalinity - Lab (mg/L) | Acidity - Lab (mg/L) | T. Fe - Lab (mg/L) | D. Fe - Lab (mg/L) | T. Mn - Lab (mg/L) | D. Mn - Lab (mg/L) | T. Al - Lab (mg/L) | D. Al - Lab (mg/L) | SO4 - Lab (mg/L) | TSS - Lab (mg/L) | Ferrous Iron (mg/L) Lab |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2006-10-05 | -- | -- | -- | 8.1 | -- | -- | -- | -- | -- | 127 | -108.4 | 0.3 | -- | 0.05 | -- | 0.5 | -- | 242.8 | 3 | -- |
| 2006-12-20 | -- | 3 | 6.3 | 7.9 | -- | -- | -- | -- | -- | 117.4 | -71.8 | 0.3 | -- | 0.164 | -- | 0.5 | -- | 181.3 | 3 | -- |
| 2007-01-12 | -- | -- | 7.86 | 7.7 | -- | -- | -- | -- | -- | 87.2 | -62.6 | 0.3 | -- | 0.215 | -- | 0.5 | -- | 154.6 | 3 | -- |
| 2007-04-19 | -- | -- | -- | 7 | -- | -- | -- | -- | -- | 44 | -29.4 | 0.3 | -- | 0.673 | -- | 1.082 | -- | 134.2 | 6 | -- |
| 2007-05-04 | -- | -- | 7.7 | 8 | -- | -- | -- | -- | -- | 91 | -58.2 | 0.3 | -- | 0.211 | -- | 0.5 | -- | 167 | 3 | -- |
| 2007-06-14 | -- | 10 | -- | 8.2 | -- | -- | -- | -- | -- | 106.2 | -77.2 | 0.3 | -- | 0.05 | -- | 0.5 | -- | 226.3 | 12 | -- |
| 2007-07-11 | -- | -- | 7.8 | 8 | -- | -- | -- | -- | -- | 112.6 | -68.8 | 0.314 | -- | 0.05 | -- | 0.5 | -- | 221.8 | 8 | -- |
| 2007-08-01 | -- | -- | 8 | -- | -- | -- | -- | -- | 110 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| 2007-08-30 | -- | -- | 8 | 8.2 | -- | -- | -- | -- | -- | 74.6 | -46.4 | 0.057 | -- | 0.026 | -- | 0.2 | -- | 144.3 | 2 | -- |
| 2007-10-23 | -- | -- | -- | 8.2 | -- | -- | -- | -- | -- | 74.4 | -48 | 0.3 | -- | 0.05 | -- | 0.5 | -- | 152.6 | 3 | -- |
| 2007-12-01 | -- | -- | 6.5 | -- | -- | -- | -- | -- | 35 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| 2008-01-01 | -- | -- | 4.5 | -- | -- | -- | -- | -- | 0 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| 2008-02-01 | -- | -- | 6.1 | -- | -- | -- | -- | -- | 14 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| 2008-04-01 | -- | -- | 7.2 | -- | -- | -- | -- | -- | 82 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| 2008-04-16 | -- | -- | -- | 8 | -- | -- | -- | -- | -- | 101.6 | -85.6 | 0.02 | -- | 0.128 | -- | 0.069 | -- | 187.4 | 5 | -- |
| 2008-05-01 | -- | -- | 6.25 | -- | -- | -- | -- | -- | 43.6 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| 2008-06-01 | -- | -- | 6.17 | -- | -- | -- | -- | -- | 37.2 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| 2008-07-01 | -- | -- | 7.32 | -- | -- | -- | -- | -- | 81.3 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| 2008-07-31 | -- | -- | 7.46 | 8 | -- | -- | -- | -- | -- | 64.6 | -54.4 | 2.807 | -- | 0.1 | -- | 3.244 | -- | 230.7 | 30 | -- |
| 2008-08-01 | -- | -- | 4.7 | -- | -- | -- | -- | -- | 40 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| 2008-09-01 | -- | -- | 7.59 | -- | -- | -- | -- | -- | 85 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| 2008-10-01 | -- | -- | 7.5 | -- | -- | -- | -- | -- | 52.6 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| 2008-11-01 | -- | -- | 8.12 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| 2008-12-10 | -- | -- | 6.06 | 5.3 | -- | -- | -- | -- | -- | 9.2 | 11 | 0.485 | -- | 0.698 | -- | 2.204 | -- | 72.3 | 5 | -- |
| 2009-04-28 | -- | -- | 4.39 | 4.5 | -- | -- | -- | -- | -- | 7.2 | 38.2 | 0.513 | -- | 1.428 | -- | 5.002 | -- | 116 | 10 | -- |
| 2009-07-22 | -- | -- | 6.3 | 7.4 | -- | -- | -- | -- | -- | 40 | -27 | 0.3 | -- | 0.703 | -- | 1.298 | -- | 135.7 | 8 | -- |
| 2009-09-30 | -- | -- | 7.52 | 7.8 | -- | -- | -- | -- | -- | 63.8 | -48.4 | 0.3 | -- | 0.05 | -- | 0.5 | -- | 208.4 | 6 | 0.02 |
| 2009-10-21 | -- | -- | 7.24 | 6.6 | -- | -- | -- | -- | -- | 16.4 | 5.2 | 0.3 | -- | 0.859 | -- | 1.098 | -- | 175.8 | 12 | -- |
| 2010-04-20 | -- | -- | 4.23 | 4.4 | -- | -- | -- | -- | -- | 6.2 | 53.6 | 0.582 | -- | 2.174 | -- | 8.419 | -- | 165.9 | 5 | 0.39 |
| 2010-08-23 | -- | -- | 8.5 | 7.4 | -- | -- | -- | -- | -- | 75 | -62 | 0.3 | -- | 0.05 | -- | 0.5 | -- | 246.4 | 5 | -- |
| 2010-12-22 | -- | -- | 5.08 | 5.1 | -- | -- | -- | -- | -- | 9.4 | 15.8 | 0.456 | -- | 1.453 | -- | 3.897 | -- | 107 | 10 | -- |
| 2011-06-07 | -- | -- | 6.6 | 7.2 | -- | -- | -- | -- | -- | 68 | -54.2 | 0.3 | -- | 0.591 | -- | 0.582 | -- | 135.9 | 5 | -- |
| 2011-09-27 | -- | -- | 7.5 | 7.4 | -- | -- | -- | -- | -- | 69.4 | -55.2 | 0.3 | -- | 0.109 | -- | 0.5 | -- | 85.2 | 5 | -- |
| 2012-05-16 | -- | -- | 6.5 | 6.8 | -- | -- | -- | -- | -- | 30 | -25.4 | 0.3 | -- | 0.779 | -- | 0.5 | -- | 101.4 | 5 | -- |
| 2012-07-25 | -- | -- | 8.25 | 7.6 | -- | -- | -- | -- | -- | 100.6 | -91 | 0.3 | -- | 0.257 | -- | 0.71 | -- | 180.1 | 10 | -- |
| 2013-10-01 | -- | 5 | 7.56 | 8 | 80 | 9.5 | 18.6 | 412 | 92 | 81.72 | -64 | 0.2 | -- | <0.05 | -- | <0.10 | -- | 94.1 | <5 | -- |
| 2014-10-29 | -- | -- | 8.2 | 8.2 | -- | -- | -- | -- | -- | 118.2 | -107 | 0.3 | -- | 0.05 | -- | 0.5 | -- | 233 | 5 | -- |
| 2015-01-06 | -- | -- | 6.3 | 7.3 | -- | -- | -- | -- | -- | 49.8 | -34.6 | 0.3 | -- | 0.251 | -- | 0.505 | -- | 67.5 | 5 | -- |
| 2015-04-20 | -- | -- | 6.6 | 6.8 | -- | -- | -- | -- | -- | 29.2 | -31.4 | 0.446 | -- | 0.616 | -- | 2.733 | -- | 163.5 | 10 | -- |
| 2016-10-23 | -- | 11.9 | 5.81 | 8.1 | -- | -- | -- | -- | -- | 85.4 | -68.2 | 0.3 | -- | 0.057 | -- | 0.5 | -- | 94.3 | 5 | 0.02 |
| 2017-01-22 | -- | 36.2 | 6.06 | 6.2 | -- | -- | -- | -- | -- | 21 | -6.4 | 0.3 | -- | 0.823 | -- | 1.577 | -- | 127.3 | 5 | 0.166 |
| 2017-04-23 | -- | 36.2 | 6.5 | 6.8 | -- | -- | -- | -- | -- | 32.6 | -22.8 | 0.3 | -- | 0.974 | -- | 0.934 | -- | 139 | 5 | 0.127 |
| 2017-07-23 | -- | 113.01 | 6.99 | 7.9 | -- | -- | -- | -- | -- | 115.8 | -98.8 | 0.3 | -- | 0.05 | -- | 0.5 | -- | 179.1 | 5 | 0.098 |
| 2017-10-15 | -- | 64.4 | 7.24 | 8.1 | -- | -- | -- | -- | -- | 114.4 | -103.8 | 0.3 | -- | 0.05 | -- | 0.5 | -- | 143.4 | 5 | 0.068 |
| 2018-01-28 | -- | -- | 5.7 | 5.4 | -- | -- | -- | -- | -- | 12.2 | 9.2 | 0.352 | -- | 0.877 | -- | 2.938 | -- | 105.2 | 16 | 0.294 |
| 2018-05-01 | M | -- | 5.01 | 4.7 | -- | -- | 13.5 | -- | -- | 8 | 35.6 | 0.516 | -- | 1.354 | -- | 5.563 | -- | 145.1 | 5 | 0.506 |
| 2018-10-14 | -- | 75.26 | 4.67 | 4.7 | -- | -- | 12.2 | -- | -- | 7.6 | 29.4 | 0.515 | -- | 1.325 | -- | 4.013 | -- | 110 | 5 | 0.285 |
| 2018-12-06 | -- | -- | -- | 3.39 | -- | -- | 5.0 | -- | -- | 0 | 61.29 | 1.18 | 1.14 | 1.85 | 1.79 | 5.77 | 5.60 | 113.9 | <5 | -- |
| 2019-03-23 | -- | -- | 4.44 | -- | -- | 10.8 | 6.1 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| 2019-11-20 | -- | 29.00 | 5.52 | 6.49 | -- | -- | 11.8 | 354.4 | -- | 71 | -56 | <0.10 | -- | <0.10 | -- | <0.10 | -- | 69.0 | <5 | -- |
| Minimum: | 0 | 3 | 4.23 | 3.39 | 80 | 9.5 | 5.0 | 354.4 | 0 | 0.00 | -108.4 | 0.02 | 1.14 | 0.026 | 1.79 | 0.069 | 5.60 | 67.5 | 2 | 0.02 |
| Maximum: | 0 | 113.01 | 8.5 | 8.2 | 80 | 10.8 | 18.6 | 412 | 110 | 127 | 61.29 | 2.807 | 1.14 | 2.174 | 1.79 | 8.419 | 5.60 | 246.4 | 30 | 0.506 |
| Average: | 0 | 38 | 6.59 | 6.94 | 80 | 10.15 | 11.2 | 383 | 56.06 | 61 | -38.1 | 0.42 | 1.14 | 0.55 | 1.79 | 1.70 | 5.60 | 150.2 | 6.9 | 0.20 |
| Range: | 0 | 110.01 | 4.27 | 4.81 | 0 | 1.3 | 13.6 | 57.6 | 110 | 127 | 169.69 | 2.787 | 0 | 2.148 | 0 | 8.35 | 0 | 178.9 | 28 | 0.486 |
| Median: | 0 | 32.6 | 6.55 | 7.4 | 80 | 10.15 | 12 | 383.2 | 48.1 | 68 | -48.4 | 0.3 | 1.14 | 0.25 | 1.79 | 0.51 | 5.6 | 144.3 | 5 | 0.15 |
| Loading (lb/day): | 5.53 | 33.49 | -24.57 | 0.16 | -- | 0.26 | -- | 0.74 | -- |
Sample Point Description: 2ND POND, OUTLET FROM LIMESTONE POND AT WEIR, Final Effluent
- Records with no value are not included in statistical calculations.
- Values lower than the minimum detection limit are assumed to be 0.
- Average pH is calculated using the arithmetic mean of pH values. Hydronium ion concentrations were not used.
- This work is licensed under the Creative Commons Attribution-NonCommercial-ShareAlike License.
To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-sa/2.5/ or send a letter to Creative Commons, 559 Nathan Abbott Way, Stanford, California 94305, USA.
Sample Point - SFO |
Download Sample Point Report CSV / Inflow: No / Outflow: Yes
Date | Method of Flow | Flow - Field (gal/min) | pH - Field (S.U.) | pH - Lab (S.U.) | ORP - Field (mvolts) | DO - Field (mg/L) | Temp - Field (C) | Cond - Lab (umhos/cm) | Alkalinity - Field (mg/L) | Alkalinity - Lab (mg/L) | Acidity - Lab (mg/L) | T. Fe - Lab (mg/L) | D. Fe - Lab (mg/L) | T. Mn - Lab (mg/L) | D. Mn - Lab (mg/L) | T. Al - Lab (mg/L) | D. Al - Lab (mg/L) | SO4 - Lab (mg/L) | TSS - Lab (mg/L) | Ferrous Iron (mg/L) Lab |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2013-10-01 | -- | 2 | 6.2 | 7.21 | 108 | 7.8 | 16.4 | 357 | 78 | 72.55 | -59 | 1.2 | -- | <0.05 | -- | <0.10 | -- | 69.4 | <5 | -- |
| 2018-12-06 | -- | -- | -- | 3.85 | -- | -- | 5.0 | -- | -- | 0 | 50.55 | 0.64 | 0.37 | 1.55 | 1.54 | 5.36 | 5.32 | 48.1 | <5 | -- |
| 2019-03-23 | -- | -- | 5.15 | -- | -- | 10.9 | 8.6 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| 2019-11-20 | -- | 29.00 | 5.85 | 6.36 | -- | -- | 12.6 | 299.7 | -- | 53 | -43 | <0.10 | -- | <0.10 | -- | <0.10 | -- | 63.6 | <5 | -- |
| Minimum: | -- | 2 | 5.15 | 3.85 | 108 | 7.8 | 5.0 | 299.7 | 78 | 0.00 | -59 | 0.64 | 0.37 | 1.55 | 1.54 | 5.36 | 5.32 | 48.1 | -- | -- |
| Maximum: | -- | 29.00 | 6.2 | 7.21 | 108 | 10.9 | 16.4 | 357 | 78 | 72.55 | 50.55 | 1.2 | 0.37 | 1.55 | 1.54 | 5.36 | 5.32 | 69.4 | -- | -- |
| Average: | -- | 16 | 5.73 | 5.81 | 108 | 9.35 | 10.7 | 328 | 78.00 | 42 | -17.2 | 0.92 | 0.37 | 1.55 | 1.54 | 5.36 | 5.32 | 60.4 | -- | -- |
| Range: | -- | 27 | 1.05 | 3.36 | 0 | 3.1 | 11.4 | 57.3 | 0 | 72.55 | 109.55 | 0.56 | 0 | 0 | 0 | 0 | 0 | 21.3 | -- | -- |
| Median: | -- | 15.5 | 5.85 | 6.36 | 108 | 9.35 | 10.6 | 328.35 | 78 | 53 | -43 | 0.92 | 0.37 | 1.55 | 1.54 | 5.36 | 5.32 | 63.6 | -- | -- |
| Loading (lb/day): | 1.88 | 10.11 | -8.2 | 0.03 | -- | -- | -- | -- | -- |
Sample Point Description: Swallow Farm Outlet; Effluent of treatment system
- Records with no value are not included in statistical calculations.
- Values lower than the minimum detection limit are assumed to be 0.
- Average pH is calculated using the arithmetic mean of pH values. Hydronium ion concentrations were not used.
- This work is licensed under the Creative Commons Attribution-NonCommercial-ShareAlike License.
To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-sa/2.5/ or send a letter to Creative Commons, 559 Nathan Abbott Way, Stanford, California 94305, USA.