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TECHNICAL INFORMATION REQUIREMENTS Page 11 of 12 <br /> FOR A REPORT OF WASTE DISCHARGE <br /> Minimum Recommended Characterization Data <br /> POTW/ Food Sand and Other <br /> ConstituentUnits Domestic Processor Gravel Industry <br /> Arsenic u /L G, S, E G, S, E G, S, E G. S, E <br /> Barium u /L S, E <br /> Beryllium u /L S. E <br /> Boron u /L G G G, S, E G <br /> Cadmium u /L S. E <br /> Chromium IV u /L S, E <br /> Chromium III u /L S, E <br /> Total Chromium u /L G G G, S, E G <br /> Cobalt u /L S, E <br /> Copper u /L E E S, E E <br /> Fluoride u /L S, E <br /> Iron u /L G, S, E G, S, E G, S, E G, S, E <br /> Lead u /L E S, E E <br /> Mercury u /L E S, E E <br /> Manganese u /L G, S, E G. S, E G, S, E G, S, E <br /> Molybdenum u /L S E <br /> Nickel u /L S, E <br /> Selenium u /L S, E <br /> Silver u /L S, E <br /> Thallium u /L S, E <br /> Vanadium u /L S, E <br /> Zinc u /L E S, E E <br /> Disinfection B -Products" u /L G, E E E <br /> Formaldehyde' u /L G, E E E <br /> Phenols5 u /L G, E E <br /> Priority Pollutantss Various G, E I E <br /> With the exception of wastewater samples, samples for metals analysis must first be filtered using a 0.45- <br /> micron filter. If filtering in the field is not feasible, samples shall be collected in unpreserved containers and <br /> submitted to the laboratory within 24 hours with a request(on the chain of custody form)to immediately filter <br /> then preserve the sample. <br /> 2 General minerals analyses shall be accompanied by a cation/anion balance demonstrating complete <br /> analyses. <br />