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TPHg GC/MS 50 As indicated in Table 1 or <br /> BTEX,TBA, MTBE, DCA EPA 82608 0.50 <br /> Suite B As indicated in Table 1 <br /> Metals, dissolved3 EPA 200.7/200.81 2.0 <br /> Total Chromium EPA 200.8/218.61 10 <br /> Hexavalent Chromium EPA 7199/218.61 2.0 <br /> Anions4 EPA 300.11 100 <br /> pH/EC EPA 150.1/120.11 1-14pH units <br /> Ammonia EPA 350.11 100 <br /> COD EPA 410.4 10,000 <br /> Alkalinity EPA 310.1 5,000 <br /> TDS EPA 160.11 10,000 <br /> 1 Or an equivalent EPA Method that achieves the maximum Practical Quantitation Limit. <br /> 2 All concentrations between the Method Detection Limit and the Practical Quantitation Limit shall be reported as <br /> an estimated value (J flag). <br /> 3 Dissolved metal analyses include Al,As, Ba, Be, Br, Ca, Cd, Cr, Co, Cu, Fe, K, Hg, Mg, Mn, Mo, Ni, Ag, Na, Pb, Sb, <br /> TI,V,W, and Zn and are collected in laboratory-supplied non-preserved container, relinquished to the lab for filtering <br /> and preservation prior to analyses. <br /> 4 Anions include; acetate, bromide, bromate, nitrogen, nitrite, sulfate,sulfide, orthophosphate,chlorine, and flouride. <br />