| 2003 Supplemental Report (Calendar Year 2002) | Page 1 | |||
| OLD NECK RD | ||||
| Radiological Compounds | ||||
| Component | Low Value | High Value | Avg. Value | Number of Tests |
| Gross Alpha Activity pci/l | ND | 1.5 | ND | 6 |
| Gross Beta Activity pci/l | ND | 2.0 | ND | 6 |
| Cesium-137 pci/l | ND | ND | ND | 6 |
| Lead-210 pci/l | ND | ND | ND | 6 |
| Radon | ND | ND | ND | 3 |
| Inorganic Compounds | ||||
| Component | Low Value | High Value | Avg. Value | Number of Tests |
| Alkalinity, Total mg/l | 15.4 | 18.6 | 16.5 | 6 |
| Aluminum mg/l | ND | 0.04 | ND | 6 |
| Ammonia, Free mg/l | ND | 0.03 | ND | 6 |
| Arsenic ug/l | ND | ND | ND | 6 |
| Asbestos MFL | NA | NA | NA | 0 |
| Barium mg/l | ND | ND | ND | 6 |
| Boron mg/l | ND | ND | ND | 6 |
| Bromide mg/l | ND | ND | ND | 6 |
| CO2, Calculated mg/l | 14.3 | 20.8 | 16.1 | 6 |
| Cadmium ug/l | ND | ND | ND | 6 |
| Calcium mg/l | 3.1 | 3.6 | 3.3 | 6 |
| Chloride mg/l | 4.5 | 5.6 | 4.9 | 6 |
| Chromium ug/l | ND | ND | ND | 6 |
| Cobalt-59 ug/l | ND | ND | ND | 6 |
| Color units | ND | 10 | ND | 6 |
| Copper mg/l | ND | ND | ND | 6 |
| Dissolved Solids, Total mg/l | 26 | 29 | 27 | 6 |
| Fluoride mg/l | ND | ND | ND | 6 |
| Hardness, Total mg/l | 11.3 | 13.1 | 12.1 | 6 |
| Iron ug/l | 275 | 684 | 385 | 6 |
| Lead ug/l | ND | ND | ND | 6 |
| Lithium ug/l | 2.9 | 3.8 | 3.5 | 6 |
| Magnesium mg/l | 0.88 | 1.02 | 0.92 | 6 |
| Manganese ug/l | ND | ND | ND | 6 |
| Nickel ug/l | ND | ND | ND | 6 |
| Nitrate mg/l | ND | 0.13 | ND | 6 |
| Perchlorate ug/l | ND | ND | ND | 7 |
| Phosphate, Ortho mg/l | ND | ND | ND | 6 |
| Phosphate, Total mg/l | ND | 0.13 | 0.11 | 6 |
| pH units | 6.2 | 6.4 | 6.3 | 6 |
| Potassium mg/l | 0.41 | 0.43 | 0.42 | 6 |
| Silicon mg/l | 5.9 | 6.7 | 6.4 | 6 |
| Sodium mg/l | 4.1 | 4.7 | 4.4 | 6 |
| Specific Conductance umho/cm | 49 | 57 | 51 | 9 |
| Strontium-89 mg/l | 0.02 | 0.03 | 0.02 | 6 |
| Sulfate mg/l | 1.2 | 2.9 | 2.2 | 6 |
| Surfactants mg/l | ND | ND | ND | 6 |
| Tin ug/l | ND | ND | ND | 6 |
| Titanium ug/l | ND | ND | ND | 6 |
| Turbidity NT units | ND | 1.1 | 0.40 | 6 |
| Vanadium ug/l | ND | ND | ND | 6 |
| Zinc mg/l | ND | ND | ND | 6 |
| 2003 Supplemental Report (Calendar Year 2002) | Page 2 | |||
| OLD NECK RD | ||||
| Synthetic Organic Compounds including Pesticides and Herbicides (may include data collected over last 2 years) | ||||
| Component | Low Value | High Value | Avg. Value | Number of Tests |
| Alachlor ug/l | ND | ND | ND | 8 |
| Aldicarb Sulfone ug/l | ND | ND | ND | 6 |
| Aldicarb Sulfoxide ug/l | ND | ND | ND | 6 |
| Atrazine ug/l | ND | ND | ND | 8 |
| 1, 2-Dibromoethane (EDB) ng/l | ND | ND | ND | 21 |
| Dinoseb ug/l | ND | ND | ND | 7 |
| Metalaxyl ug/l | ND | ND | ND | 8 |
| Metolachlor ug/l | ND | ND | ND | 8 |
| Metribuzin ug/l | ND | ND | ND | 8 |
| Simazine ug/l | ND | ND | ND | 8 |
| Tetrachloroterephthalic Acid (TCPA) ug/l | ND | ND | ND | 7 |
| Volatile Organic Compounds | ||||
| Component | Low Value | High Value | Avg. Value | Number of Tests |
| Bromodichloromethane ug/l | ND | ND | ND | 21 |
| Bromoform ug/l | ND | ND | ND | 21 |
| Dibromochloromethane ug/l | ND | ND | ND | 21 |
| Chloroform ug/l | ND | 1.7 | ND | 21 |
| Carbon Tetrachloride ug/l | ND | ND | ND | 21 |
| Cis-1, 2-Dichloroethene ug/l | ND | ND | ND | 21 |
| Dichlorodifluoromethane ug/l | ND | ND | ND | 21 |
| 1, 1-Dichloroethane ug/l | ND | ND | ND | 21 |
| 1, 2-Dichloroethane ug/l | ND | ND | ND | 21 |
| 1, 1-Dichloroethene ug/l | ND | ND | ND | 21 |
| 1, 2-Dichloropropane ug/l | ND | ND | ND | 21 |
| Methyl-Tert-Butyl-Ether (MTBE) ug/l | ND | ND | ND | 21 |
| Tetrachloroethene ug/l | ND | ND | ND | 21 |
| Trans-1, 2-Dichloroethene ug/l | ND | ND | ND | 21 |
| 1, 1, 1-Trichloroethane ug/l | ND | ND | ND | 21 |
| Trichloroethene ug/l | ND | ND | ND | 21 |
| Trichlorofluoromethane (Freon 112) ug/l | ND | ND | ND | 21 |
| 1, 2, 3-Trichloropropane ug/l | ND | ND | ND | 21 |
| 1, 1, 2-Trichlorotrifluoroethane ug/l | ND | ND | ND | 21 |
| Vinyl Chloride ug/l | ND | ND | ND | 21 |