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Revision Date: September 26, 2005
| I. PRIMARY STANDARDS FOR OHIO PUBLIC WATER SUPPLIES (Ohio Administrative Code; Chapter 3745-81) |
|
|---|---|
| INORGANIC | Maximum Contaminant Level - MCL (mg/l) |
| Antimony | 0.006 |
| Arsenic | 0.010 (effective 1/1/06; 0.05 until 12/31/05) |
| Asbestos | 7 million fibers/liter (longer than 10 um) |
| Barium | 2 |
| Beryllium | 0.004 |
| Cadmium | 0.005 |
| Chromium | 0.1 |
| Cyanide | 0.2 |
| Fluoride | 4.0 |
| Mercury | 0.002 |
| Nitrate (as N) | 10 |
| Nitrate-Nitrite (as N) | 10 |
| Nitrite (as N) | 1 |
| Selenium | 0.05 |
| Thallium | 0.002 |
| PESTICIDES AND OTHER ORGANIC CHEMICALS (SOCs) | Maximum Contaminant Level - MCL (mg/l) |
| Alachlor | 0.002 |
| Aldicarb | 0.007 (proposed) |
| Aldicarb sulfone | 0.007 (proposed) |
| Aldicarb sulfoxide | 0.007 (proposed) |
| Atrazine | 0.003 |
| Benzo-a-pyrenes | 0.0002 |
| Carbofuran | 0.04 |
| Chlordane | 0.002 |
| 2,4-D | 0.07 |
| Dalapon | 0.2 |
| Di(2-ethylhexyl)adipate | 0.4 |
| Di(2-ethylhexyl)phthalate | 0.006 |
| Dibromochloropropane (DBCP) | 0.0002 |
| Dinoseb | 0.007 |
| Diquat | 0.02 |
| Endothall | 0.1 |
| Endrin | 0.002 |
| Ethylene dibromide (EDB) | 0.00005 |
| Glyphosate | 0.7 |
| Heptachlor | 0,0004 |
| Heptachlor epoxide | 0,0002 |
| Hexachlorobenzene | 0.001 |
| Hexachlorocyclopentadiene | 0.05 |
| Lindane | 0.0002 |
| Methoxychlor | 0.04 |
| Oxamyl (Vydate) | 0.2 |
| Pentachlorophenol | 0,001 |
| Picloram | 0,5 |
| Polychlorinated Biphenyls (PCB's) | 0,0005 |
| Simazine | 0,004 |
| 2,3,7,8-TCDD (Dioxin) | 3x10-8 |
| 2,4,5-TP (Silvex) | 0,05 |
| Toxaphene | 0.003 |
| ORGANIC DISINFECTION BYPRODUCTS (DBPs) | Maximum Contaminant Level - MCL (mg/l) |
| Total Trihalomethanes (TTHMs): The sum of the concentrations of Bromodichloromethane, Dibromochloromethane, Bromoform, and Chloroform | 0.080 |
| Five Haloacetic Acids (HAA5): The sum of the concentrations of Monochloroacetic acid, Dichloroacetic acid, Trichloroacetic acid, Monobromoacetic acid, and Dibromoacetic acid | 0.060 |
| INORGANIC DISINFECTION BYPRODUCTS (DBPs) | Maximum Contaminant Level - MCL (mg/l) |
| Bromate | 0.010 |
| Chlorite | 1.0 |
| DISINFECTANT RESIDUALS (Distribution System) | Minimum Level Needed for Compliance (mg/l) Required for Free Chlorine or Combined Chlorine |
| Free Chlorine: Surface Water System | not less than 0.2 mg/l in more than 5% samples per month (not less than 0.2 mg/l for more than 4 consecutive hours) |
| Combined Chlorine: Surface Water System | not less than 1 mg/l in more than 5% samples per month (not less than 1 mg/l for more than 4 consecutive hours) |
| Free Chlorine: (Ohio Administrative Code; Chapter 3745-83) Ground Water System - Community and major Non-Community | at least 0.2 mg/l (unless exempted by the Director) |
| Combined Chlorine: (Ohio Administrative Code; Chapter 3745-83) Ground Water System - Community and major Non-Community | at least 1 mg/l (unless exempted by the Director) |
| DISINFECTANT RESIDUALS (Distribution System) | Maximum Residual Disinfectant Level - MRDL (mg/l) |
| Total Chlorine (as Cl2) | 4.0 |
| Chlorine Dioxide (as ClO2) | 0.8 |
| VOLATILE ORGANIC CHEMICALS (VOCs) | Maximum Contaminant Level - MCL (mg/l) |
| Benzene | 0.005 |
| Carbon tetrachloride | 0.005 |
| cis-1,2-Dichloroethylene | 0.07 |
| Dichloromethane | 0.005 |
| 1,1-Dichloroethylene | 0.007 |
| 1,2-Dichloroethane | 0.005 |
| 1,2-Dichloropropane | 0.005 |
| Ethylbenzene | 0.7 |
| Monochlorobenzene | 0.1 |
| o-Dichlorobenzene | 0.6 |
| para-Dichlorobenzene | 0.075 |
| Styrene | 0.1 |
| Tetrachloroethylene | 0.005 |
| Toluene | 1 |
| trans-1,2-Dichloroethylene | 0.1 |
| Trichloroethylene | 0.005 |
| 1,1,1-Trichloroethane | 0.2 |
| 1,2,4-Trichlorobenzene | 0.07 |
| 1,1,2-Trichloroethane | 0.005 |
| Vinyl Chloride | 0.002 |
| Xylenes (total) | 10 |
| RADIOLOGICAL | Maximum Contaminant Level - MCL (pCi/l) |
| Beta particle and photon radioactivity | 4 mrem/yr* |
| Combined Radium-226 and Radium-228 | 5 |
| Gross Alpha particle activity (including Radium-226 but excluding Radon and Uranium) | 15 |
| Uranium | 30 ug/L |
| MICROBIOLOGY (Total Coliform) | COLIFORM RESULTS (compliance) |
| 1. Public water supplies monitoring at least 40 samples per month | no more than 5% coliform positives per month |
| 2. Public water supplies monitoring fewer than 40 samples per month | no more than 1 coliform positive per month |
| COLIFORM RESULTS (non-compliance) | |
| 3. Public water supplies with any positive repeat samples | Coliform violation |
| 4. Public water supplies failing to monitor for repeat samples | Coliform violation |
| TURBIDITY (Finished Water) | Maximum Contaminant Level - MCL (pCi/l) |
| 1. Conventional Filtration or Alternative Filtration Technology: Combined population less than 10,000 | less than or equal to 0.5 NTU in at least 95% of samples per month and shall not exceed 5 NTU |
| 2. Conventional Filtration or Alternative Filtration Technology: Combined population equal to or greater than 10,000 | less than or equal to 0.3 NTU in at least 95% of samples per month and shall not exceed 1 NTU |
| 3. Slow Sand Filtration | less than or equal to 1 NTU in at least 95% of samples per month and shall not exceed 5 NTU |
| Lead and Copper Action Level | Action Level |
| 1. Lead | exceeded if lead greater than 0.015 mg/l is detected in more than 10% of tap samples in a compliance period |
| 2. Copper | exceeded if copper greater than 1.3 mg/l is detected in more than 10% of tap samples in a compliance period |
| II. SECONDARY STANDARDS FOR OHIO PUBLIC WATER SUPPLIES (Ohio Administrative Code; Chapter 3745-82) | |
|---|---|
| PARAMETER | Secondary Maximum Contaminant Level - SMCL |
| 1. Aluminum | 0.05 to 0.2 mg/l |
| 2. Chloride | 250 mg/l |
| 3. Color | 15 color units |
| 4. Corrosivity | non-corrosive |
| 5. Fluoride | 2.0 mg/l |
| 6. Iron | 0.3 mg/l |
| 7. Manganese | 0.05 mg/l |
| 8. Odor | 3 threshold odor number |
| 9. pH | 7.0-10.5 |
| 10. Silver | 0.1 mg/l |
| 11. Sulfates | 250 mg/l |
| 12. Total Dissolved Solids (TDS) | 500 mg/l |
| 13. Zinc | 5 mg/l |
| 14. Foaming Agents | 0.5 mg/l |
* Based on calculated levels for 168 possible contaminants
ABBREVIATIONS:
Address:
25 Holiday Drive
Englewood, Ohio 45322
Phone:
800-723-5227
937-832-8242
Fax:
937-832-2868
Email:
contact@belmontlabs.com