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� : � � tt� � tttt�s � 1• tll■� � � � � � � � <br /> TABLE 1 - GROUNDWATER ANALYTICAL PROTOCOL <br /> Parameter Method Fleld/Lab Sample Volume and Preservation <br /> Sulfate EPA Method 375 4 or Lab Collect 100 inL of water in a glass or plastic container,cool to 4'C, <br /> SW-903619038 analyze within 28 days <br /> Colorimetric HACH method#8051 Field Collect 100 nil.of water in a glass or plastic container;cool to 4°C, <br /> analyze immediately <br /> Ferrous Iron Colorimetric HACH 25140-25 Field Collect 100 mL of water in a glass container,numediately filter with 0 45 <br /> micron filter,acidify with hydrochloric acid per method <br /> Colorimetric A3500-Fe D Field Collect 100 nd,of water in a glass container,inunediately filter with 0 45 <br /> micron filter,acidify with hydrochloric acid per method <br /> EPA Method 200.7 or SW-6010 Lab Collect 100 niL of water in a plastic container,immediately filter with <br /> 0 45 micron filter,acidify with nitric acid per method <br /> Notes: <br /> 1 "HACH"refers to HACH Company Catalog, 1990 <br /> 2. "A"refers to"Standard Methods for die Examination of Water and Wastewatee, 1891 edition, 1992 <br /> 3 "SW'refers to the'Test Methods for Evaluation Solid Waste,Physical,and Chemical Methods",SW-846,USEPA,3rd edition, 1986. <br /> 4 When more than one method is provided(field and laboratory),only one imediod needs to be used <br /> Table 1 was modified atter Table 2.1 of Wledeineler et at.1994,("Draft Technical Protocol dor Implementing the Intrinsic Rentedlation with Long-Term <br /> Monitoring Option for Natural Attenuation of Dissolved-Please Fuel Contamination in Groundwater,"developed for the AFCEE) <br />