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i <br /> 1 v� <br /> E C E� :: <br /> TABLE OF CONTENTS AUG 2 5 1992 <br /> ENVIRONMENTAL HEALTb <br /> PERMIT/SERVICES ge <br /> 1. 0 INTRODUCTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 <br /> 1. 1 BACKGROUND. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 <br /> 1. 1. 1 A. D. Selditch & Associates, Inc. . . . . . . . . . . . . . 1 <br /> 1. 1. 2 Additional Site Assessment. . . 2 <br /> 1. 1. 3 Sewer Line Investigation. . . . . . . . . . . . . . . . . . . . . . 2 <br /> 1. 1. 4 Product Line/Fuel Island Investigation. . . . . . . . 3 <br /> 1. 2 PURPOSE AND SCOPE OF INVESTIGATION. . . . . . . . . . . . . . . . . . 3 <br />' 2 . 0 FIELD INVESTIGATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 <br /> 2 . 1 DRILLING AND SOIL SAMPLING. . . . . . . . . . . . . . . . . . . . . . . . . . 3 <br />' 2 . 2 SAMPLING EQUIPMENT CLEANING PROTOCOL. . . . . . . . . . . . . . . . 4 <br /> 3 . 0 EFFLUENT HANDLING. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 <br />' 4 . 0 SUBSURFACE CONDITIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 <br /> 4 . 1 FILL. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 <br /> 4 . 2 NATURAL GROUND. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 <br /> 4 . 3 GROUND WATER. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 <br /> 5. 0 ANALYTICAL TESTING. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 <br />' 5 . 1 SOIL SAMPLES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 <br /> 5 . 2 QUALITY CONTROL SAMPLE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 <br />' 6. 0 DISCUSSION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 <br />' 6 . 1 VICINITY OF SEWER LINE AND FORMER USTs. . . . . . . . . . . . . . 7 <br /> 6 . 2 VICINITY OF FUEL ISLANDS. . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 <br /> 7 . 0 CONCLUSIONS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 <br />' 8 . 0 LIMITATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 <br /> TABLES : <br /> TABLE 1: CONCENTRATIONS OF TPH, TRPH, VOCs AND LEAD <br />' IN SOIL SAMPLES OBTAINED ON JULY 1, 1992 <br /> TABLE 2 : CARBON CHAIN BREAKDOWN FOR SELECTED SOIL <br /> SAMPLES OBTAINED ON JULY 1, 1992 <br /> TABLE 3 : SIMULATED DISTILLATION RESULTS FOR SOIL <br /> SAMPLE B-9 @ 301 <br /> Ir <br /> Project No. 1232 <br /> ' ENVIRONMENTAL AUDIT,INCA <br />