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0 <br /> TABLE 4 <br /> SAMPLE BOTTLE AND PRESERVATION REQUIREMENTS (I) <br /> Maximum Temperature <br /> Analysis Required Containers Preservation Holding Time (Degrees Celsius) pH <br /> Surface Water: <br /> Metals (Total Recoverable): 1 x 250 ml polyethylene bottle Nitric acid j <br /> As, Cr, Cr III, Cr VI, Fe, (raw sample) 180 days 4 i <2 <br /> Mn, Se <br /> Hg 26 days 4 I <2 <br /> Metals (Dissolved): 1 x 250 ml polyethylene bottle Nitric acid <br /> Cd, Cr VI, Cu, Fe, Pb, Mn, (filtered sample) 180 days 4 <2 <br /> i <br /> Ni, Ag, Zn I <br /> Boron 180 days 4 <2 <br /> Hardness 180 days 4 i <2 <br /> Chloride 1 x 250 ml polyethylene bottle None 28 days 4 NA <br /> Nitrogen: Nitrate,Nitrite (filtered sample) 28 days 4 <2 <br /> Sulfate 28 days 4 I NA <br /> Ammonia,Nitrogen 1 x 125 to 250 ml polyethylene Sulfuric Acid 28 days 4 <2 <br /> bottle (raw sample) <br /> Sulfide 1 x 125 ml polyethylene bottle Sodium 7 days 4 NA <br /> (raw sample) Hydroxide and <br /> n Zinc Acetate <br /> o I <br /> N <br /> 0 Free Cyanide 1 x 250 to 500 ml polyethylene Sodium 14 days 4 >12 <br /> 00 <br /> d1 bottle (raw sample) Hydroxide <br /> W = = r Environmental. <br /> PRIVILEGED AND CONFIDENTIAL <br /> e:%cWmsWWuUAPW 4=16/20/161 PAge i of <br />