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Cadmium Ccld 0.01 m /I <br />Chromium Cr ° 0.1 m /I <br />Cobalt Co d 0.05 m /I <br />Copper Cu d 0.2 m /l <br />Fluoride F d 2 m /I <br />Iron Fe d 5 m /I <br />Lead Pb d,r 0.1 m /I <br />Lithium Li d,h 2.5 m /I <br />Manganese Mn d? 0.2 m /I <br />Mercury H d,r <br />0.01` mg/1 <br />Nickel Ni d 0.2 mg1I <br />Nitrite N02-N d,r 10 m /I as N <br />Nitrite & Nitrate N02+N03-N d'r 100 m /I as N <br />Selenium Se d 0.02 m /I <br />Vanadium V d 0.1 m I <br />Zinc Zn d 2'm /t" ... <br />H .6.5-8.5 <br />3d. TDS Water Qualitv Standards <br />Background TDS Value (mg/1) Maximum Allowable TDS Concentrations <br />0 - 500 400 m /I or 1.25 times the background level, whichever is least restrictive <br />501 - 10,000 1.25 times the back round value <br />10,001 or greater No limit <br />Notes: <br />1. Note that various constituents were omitted from,the tables above, as they were omitted from the analysis list for this work <br />plan, per DRMS' recommendations. <br />2. Chronic or 30-day standard based on information contained in EPA's Integrated Risk Information System (IRIS) using a 10-6 <br />incremental risk factor: <br />a. When the Membrane Filter Technique is used for analysis, the average of all samples taken within thirty days must be less <br />than 1 organism per 100 milliliters of sample. When the Multiple Tube Fermentation Method is used for analysis, the limit is less <br />than 2.2 org/100 ml. <br />b. If the identity and concentration of each radionuclide in a mixture are known, the limiting value would be derived as follows: <br />Determine, for each radionuclide in the mixture, the ratio between the quantity present in the mixture and the limit specified. The <br />sum of such ratios for all radionuclides' in the mixture shall not exceed "1" (i.e. unity). A radionuclide may be considered as not <br />present in a mixture if the ratio of the concentration to the limit does not exceed 1/10 and the sum of such ratios for all <br />radionuclides considered as not present in the mixture does not exceed 1/4. <br />c. The chromium standard is based on the total concentration of both trivalent and hexavalent forms of dissolved chromium. <br />d. Measured as dissolved concentration. The sample water shall be filtered through a 0.45 micron membrane filter prior to <br />preservation. The total concentration (not filtered) may be required on a case-by-case basis if deemed necessary to characterize <br />the pollution caused by the activity. <br />e. If two or more radionuclides are present, the sum of their annual dose equivalent to the total body or to any organ shall not <br />exceed 4 mrem per year. Except for Tritium and Strontium 90 the concentration of man-made radionuclides causing 4 mrem total <br />body or organ dose equivalents shall be calculated on the basis of a 2 liter per day drinking water intake using the 168-hour data <br />listed in "Maximum Permissible Body Burden and Maximum Permissible Concentration of Radionuclides in Air or Water for <br />Occupational Exposure, NBS Handbook 69, as amended, August 1963, US Department of Commerce. <br />f. These more stringent levels are necessary to protect livestock watering. Levels for parameters without this footnote are set to <br />protect irrigated crops at the same level. Where a party can demonstrate that a livestock watering use of ground water is not <br />reasonably expected, the applicable standard for lead is 5.0 mg/I. <br />g. This level is set to protect the following plants in ascending order of sensitivity: Pecan, Black Walnut, Persian (English) Walnut, <br />Jerusalem Artichoke, Navy Bean, American Elm, Plum, Pear, Apple, Grape (Sultanina and Malaga), Kadota Fig, Persimmon,