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pj J. H. KLEINFELDER & ASSOCIATES <br /> File : W-2001-1 <br /> _ January 29 , 1986 <br /> Page 12 <br /> Constituent Group EPA Analytical Method <br /> Volatile Halocarbons 601 <br /> Purgeable Aromatic Hydrocarbons 602 <br /> Purgeable Hydrocarbons 624 <br /> Base-Neutral and Acid 625 <br /> Extractable hydrocarbons 625 <br /> Metals : Arsenic 206. 3 <br /> Barium 208 . 1 <br /> Cadmium 213 . 1 <br /> Chromium Standard Methods 312B* <br /> Lead Standard Methods 303B* <br /> Mercury 245 . 1 <br /> Nickel 249 . 1 <br /> Silver 272 . 1 <br /> Titanium Inductively coupled <br /> plasma (No EPA Method) <br /> Zinc 289 . 1 <br /> Major Ions : <br /> * - Standard Methods of Waste Water Analysis , 16th Edition, 1985 . <br /> The analytical results for water samples from monitoring wells <br /> No. 1-3 were below detection limits for volatile halocarbons and <br /> purgeable aromatic hydrocarbons. The sample test results from <br /> monitoring well No. 1 analyzed using a mass spectrophotometer for <br /> purgeable hydrocarbons (EPA Method 624) and base/neutral and acid <br /> extractable hydrocarbons (EPA Method 625 ) were also below <br /> detection limits. The metals analyses were below detection <br /> limits except for arsenic (0.002 to 0.003 mg/1 ) , barium (ND to <br /> 0.21 mg/1 ) , chromium ( 0.001 to 0.08 mg/1 ) , and zinc (0.01 to 0.03 <br /> mg/1) . Major anion and cation analyses were conducted for aquifer <br /> J <br />