Region 1: EPA New England
Halfway Brook - Chemistry
| Station | Sample Date | Analyte | Result | Units |
|---|---|---|---|---|
| 2.3 | 7/17/01 | Alkalinity (mg/L CaCO3) | 30.0 | mg/L |
| 2.3 | 7/17/01 | Aluminum | 79 | ug/L |
| 2.3 | 7/17/01 | Ammonium as Ammonia | ND | mg/L |
| 2.3 | 7/17/01 | Antimony | ND | ug/L |
| 2.3 | 7/17/01 | Arsenic | 2.1 | ug/L |
| 2.3 | 7/17/01 | Barium | 7 | ug/L |
| 2.3 | 7/17/01 | Beryllium | ND | ug/L |
| 2.3 | 7/17/01 | Bromide | ND | mg/L |
| 2.3 | 7/17/01 | Cadmium | ND | ug/L |
| 2.3 | 7/17/01 | Calcium (Total) | 12.5 | mg/L |
| 2.3 | 7/17/01 | Calcium (Dissolved) | 12 | mg/L |
| 2.3 | 7/17/01 | Chloride | 0.51 | mg/L |
| 2.3 | 7/17/01 | Chromium | 1.6 | ug/L |
| 2.3 | 7/17/01 | Cobalt | ND | ug/L |
| 2.3 | 7/17/01 | Copper | 0.67 | ug/L |
| 2.3 | 7/17/01 | Fluoride | ND | mg/L |
| 2.3 | 7/17/01 | Hardness | 38 | mg/L |
| 2.3 | 7/17/01 | Iron | 295 | ug/L |
| 2.3 | 7/17/01 | Lead | ND | ug/L |
| 2.3 | 7/17/01 | Lithium | ND | mg/L |
| 2.3 | 7/17/01 | Magnesium (Total) | 1.64 | mg/L |
| 2.3 | 7/17/01 | Magnesium (Dissolved) | 1.6 | mg/L |
| 2.3 | 7/17/01 | Manganese | 24 | ug/L |
| 2.3 | 7/17/01 | Mercury, Total | 5.9 | ng/L |
| 2.3 | 7/17/01 | Molybdenum | 0.69 | ug/L |
| 2.3 | 7/17/01 | Nickel | 1.30 | ug/L |
| 2.3 | 7/17/01 | Nitrate/Nitrate as N | 0.052 | mg/L |
| 2.3 | 7/17/01 | Nitrogen, Ammonia | ND | mg/L |
| 2.3 | 7/17/01 | Nitrogen, Total Kjeldhal | 0.69 | mg/L |
| 2.3 | 7/17/01 | Ortho-Phosphate | ND | ug/L |
| 2.3 | 7/17/01 | Phosphorus, Total | 0.02 | mg/L |
| 2.3 | 7/17/01 | Potassium | 0.24 | mg/L |
| 2.3 | 7/17/01 | Selenium | ND | ug/L |
| 2.3 | 7/17/01 | Silver | ND | ug/L |
| 2.3 | 7/17/01 | Sodium | 1.28 | mg/L |
| 2.3 | 7/17/01 | Sulfate | 2.57 | mg/L |
| 2.3 | 7/17/01 | TDS | 59 | mg/L |
| 2.3 | 7/17/01 | Thallium | ND | ug/L |
| 2.3 | 7/17/01 | TOC | 16.0 | mg/L |
| 2.3 | 7/17/01 | TSS | ND | mg/L |
| 2.3 | 7/17/01 | Vanadium | 0.68 | ug/L |
| 2.3 | 7/17/01 | Zinc | 6.7 | ug/L |
ND = Non Detect