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TABLE 1 <br /> GROUND WATER SAMPLE COLLECTION <br /> RIPON FARM SERVICE <br /> 22871 South Highway 99(938 Frontage Road) <br /> Ripon, California 95366 <br /> Contaminant Sample Sample Preservation [Analytical Method Hold Time <br /> Volume Container Age <br /> nt <br /> Nitrates 500 ml Plastic None EPA Method 300 48 hours <br /> Ammonia 500 ml Plastic None EPA Method 7 days <br /> 350.3 <br /> pH 500 ml plastic none EPA Method 48 hours <br /> 150.1. <br /> Advanced GeoEn%ironmental,Inc. <br />