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Boulder Creek Watershed by Boulder Area Schools |
| Collection Date | Dissolved Cadmium | Total Cadmium | Dissolved Copper | Total Copper | Dissolved Iron | Total Iron | Dissolved Manganese | Total Manganese | Dissolved Lead | Total Lead | Dissolved Zinc | Total Zinc |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| - | µg/l | µg/l | µg/l | µg/l | µg/l | µg/l | µg/l | µg/l | µg/l | µg/l | µg/l | µg/l |
| 12/7/91 | 0.00 | 0.00 | 1.6 | 1.3 | 195.0 | 210.0 | 11.0 | 11.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| 12/28/91 | 0.00 | 0.00 | 0.0 | 0.0 | 157.0 | 300.0 | 13.0 | 11.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| 1/16/92 | 0.00 | 0.00 | 1.4 | 1.4 | 177.0 | 256.0 | 0.0 | 0.0 | 0.0 | 0.0 | 34.0 | 0.0 |
| 2/10/92 | 0.00 | 0.00 | 2.9 | 1.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| 3/2/92 | 0.00 | 0.00 | 0.0 | 1.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| 3/18/92 | 0.00 | 0.00 | 1.4 | 1.8 | 0.0 | 104.0 | 15.0 | 19.0 | 0.0 | 0.0 | 11.0 | 0.0 |
| 4/6/92 | 0.00 | 0.00 | 3.6 | 3.6 | 586.0 | 675.0 | 33.0 | 39.0 | 0.0 | 0.0 | 31.0 | 33.0 |
| 4/13/92 | 0.00 | 0.00 | 3.0 | 3.1 | 177.0 | 544.0 | 14.0 | 26.0 | 0.0 | 0.0 | 19.0 | 20.0 |
| 4/20/92 | 0.00 | 0.00 | 2.6 | 2.8 | 152.0 | 625.0 | 13.0 | 27.0 | 0.0 | 0.0 | 21.0 | 17.0 |
| 4/27/92 | 0.00 | 0.00 | 2.2 | 2.5 | 0.0 | 217.0 | 15.0 | 21.0 | 0.0 | 0.0 | 11.0 | 13.0 |
| 5/5/92 | 0.00 | 0.00 | 1.4 | 1.3 | 142.0 | 333.0 | 15.0 | 19.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| 5/11/92 | 0.00 | 0.00 | 1.6 | 1.6 | 180.0 | 460.0 | 15.0 | 29.0 | 0.0 | 0.0 | 10.0 | |
| 5/18/92 | 0.00 | 0.00 | 2.5 | 2.3 | 143.0 | 568.0 | 16.0 | 27.0 | 0.0 | 0.0 | 12.0 | |
| 5/26/92 | 0.00 | 0.00 | 1.1 | 2.1 | 159.0 | 887.0 | 0.0 | 26.0 | 0.0 | 0.0 | 0.0 | 14.0 |
| 6/8/92 | 0.00 | 0.00 | 1.5 | 1.8 | 0.0 | 334.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| 6/15/92 | 0.00 | 0.00 | 2.0 | 2.4 | 0.0 | 366.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| 6/22/92 | 0.00 | 0.00 | 1.3 | 1.4 | 0.0 | 504.0 | 0.0 | 21.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| 6/29/92 | 0.00 | 0.00 | 1.1 | 2.2 | 0.0 | 0.0 | 0.0 | 15.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| 7/15/92 | 0.00 | 0.00 | 0.0 | 0.0 | 0.0 | 293.0 | 0.0 | 13.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| 7/20/92 | 0.00 | 0.00 | 1.6 | 1.8 | 147.0 | 412.0 | 0.0 | 12.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| 8/1/92 | 0.00 | 1.2 | 261.0 | 15.0 | 0.0 | 0.0 | ||||||
| 8/10/92 | 0.00 | 1.1 | 146.0 | 16.0 | 0.0 | 0.0 | ||||||
| 8/31/92 | 0.00 | 1.1 | 178.0 | 14.0 | 0.0 | 0.0 | ||||||
| 9/14/92 | 0.00 | 1.3 | 143.0 | 11.0 | 0.0 | 0.0 | ||||||
| 10/19/92 | 0.00 | 1.7 | 310.0 | 14.0 | 0.0 | 0.0 | ||||||
| 11/9/92 | 0.00 | 1.6 | 0.0 | 14.0 | 0.0 | 0.0 | ||||||
| 12/7/92 | 0.00 | 2.6 | 532.0 | 24.0 | 0.0 | 0.0 | ||||||
| 1/11/93 | 0.00 | 1.4 | 373.0 | 0.0 | 0.0 | 0.0 | ||||||
| 2/9/93 | 0.00 | 1.7 | 354.0 | 11.0 | 0.0 | 0.0 | ||||||
| 3/1/93 | 0.00 | 0.0 | 347.0 | 0.0 | 0.0 | 0.0 | ||||||
| 3/15/93 | 0.00 | 1.1 | 133.0 | 0.0 | 0.0 | 0.0 | ||||||
| 4/5/93 | 0.00 | 0.0 | 370.0 | 0.0 | 0.0 | 0.0 | ||||||
| 4/12/93 | 0.00 | 1.7 | 399.0 | 0.0 | 0.0 | 21.0 | ||||||
| 4/19/93 | 0.00 | 1.6 | 237.0 | 0.0 | 0.0 | 10.0 | ||||||
| 5/3/93 | 0.00 | 1.8 | 248.0 | 14.0 | 0.0 | 0.0 | ||||||
| 5/10/93 | 0.84 | 2.0 | 364.0 | 15.0 | 0.0 | 14.0 | ||||||
| 5/17/93 | 0.15 | 5.0 | 2162.0 | 111.0 | 0.0 | 36.0 | ||||||
| 5/24/93 | 0.00 | 2.9 | 588.0 | 24.0 | 0.0 | 21.0 | ||||||
| 6/7/93 | 0.00 | 1.0 | 362.0 | 14.0 | 0.0 | 0.0 | ||||||
| 6/15/93 | 0.00 | 2.1 | 338.0 | 0.0 | 0.0 | 0.0 | ||||||
| 6/21/93 | 0.00 | 0.0 | 444.0 | 19.0 | 0.0 | 11.0 | ||||||
| 6/28/93 | 0.00 | 0.0 | 319.0 | 0.0 | 0.0 | 0.0 | ||||||
| 7/13/93 | 0.00 | 0.0 | 296.0 | 0.0 | 0.0 | 0.0 | ||||||
| 7/19/93 | 0.00 | 1.5 | 198.0 | 0.0 | 0.0 | 0.0 | ||||||
| 7/26/93 | 0.00 | 0.0 | 184.0 | 0.0 | 0.0 | 0.0 | ||||||
| 8/9/93 | 0.00 | 0.0 | 153.0 | 15.0 | 0.0 | 0.0 | ||||||
| 8/23/93 | 0.00 | 0.0 | 131.0 | 16.0 | 0.0 | 0.0 | ||||||
| 9/13/93 | 0.00 | 1.5 | 441.0 | 29.0 | 0.0 | 17.0 | ||||||
| 10/8/93 | 0.00 | 0.0 | 127.0 | 0.0 | 0.0 | 16.0 | ||||||
| 11/8/93 | 0.00 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | ||||||
| 12/13/93 | 0.00 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | ||||||
| 1/10/94 | 0.00 | 1.3 | 0.0 | 16.0 | 0.0 | 26.0 | ||||||
| 2/7/94 | 0.00 | 0.0 | 101.0 | 48.0 | 0.0 | 0.0 | ||||||
| 3/7/94 | 0.00 | 3.3 | 1045.0 | 33.0 | 3.5 | 34.0 | ||||||
| 3/28/94 | 0.00 | 2.3 | 257.0 | 10.0 | 0.0 | 23.0 | ||||||
| 4/11/94 | 0.00 | 1.7 | 359.0 | 0.0 | 0.0 | 14.0 | ||||||
| 4/18/94 | 0.00 | 2.0 | 274.0 | 0.0 | 0.0 | 0.0 | ||||||
| 4/25/94 | 0.00 | 3.8 | 1157.0 | 40.0 | 1.4 | 21.0 | ||||||
| 5/2/94 | 0.00 | 2.0 | 345.0 | 0.0 | 0.0 | 13.0 | ||||||
| 5/9/94 | 0.00 | 4.6 | 0.0 | 14.0 | ||||||||
| 5/16/94 | 0.00 | 1.5 | 505.0 | 24.0 | 0.0 | 20.0 | ||||||
| 5/23/94 | 0.18 | 0.0 | 345.0 | 65.0 | 0.0 | 14.0 | ||||||
| 6/6/94 | 0.00 | 0.0 | 450.0 | 46.0 | 0.0 | 18.0 | ||||||
| 6/15/94 | 0.00 | 1.4 | 244.0 | 0.0 | 0.0 | 0.0 | ||||||
| 6/20/94 | 0.00 | 0.0 | 419.0 | 0.0 | 0.0 | |||||||
| 6/28/94 | 0.00 | 0.0 | 259.0 | 33.0 | 0.0 | 0.0 | ||||||
| 7/6/94 | 0.00 | 0.0 | 211.0 | 0.0 | 0.0 | 0.0 | ||||||
| 7/25/94 | 0.00 | 0.0 | 181.0 | 0.0 | 1.2 | 0.0 | ||||||
| 8/25/94 | 0.00 | 0.0 | 216.0 | 0.0 | 0.0 | 0.0 | ||||||
| 9/12/94 | 0.00 | 0.0 | 214.0 | 11.0 | 0.0 | 0.0 | ||||||
| 10/10/94 | 0.00 | 1.2 | 320.0 | 0.0 | 0.0 | 0.0 | ||||||
| 9/27/95 | ||||||||||||
| 10/11/95 | ||||||||||||
| 10/25/95 | ||||||||||||
| 11/1/95 | ||||||||||||
| 11/15/95 | 0.00 | 3.6 | 0.0 | 0.0 | 0.0 | 0.0 | ||||||
| 11/29/95 | 0.00 | 0.0 | 857.0 | 32.0 | 0.0 | 24.0 | ||||||
| 1/9/96 | 0.00 | 0.0 | 224.0 | 15.0 | 0.0 | 14.0 | ||||||
| 2/7/96 | 0.00 | 3.5 | 663.0 | 31.0 | 2.1 | 27.0 |