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TABLE OF CONTENTS <br /> CRWQCB-CVR concerns . .. .2 <br /> Conclusions . . 2 <br /> Summary .. 2 <br /> 1 The off-site TPHS plume has not been laterally or vertically defined 3 <br /> 2 The concentrations of TPHg m off-site monitoring well MW-12 are increasing, while TPHg m <br /> on-site wells are decreasing - , . 3 <br /> 3 The status of a domestic water supply well southeast of the site has not been determined. .3 <br /> 4 The groundwater has not been monitored for all fuel oxygenates and fuel additives . . 3 <br /> 5. The quarterly groundwater monitoring has not been conducted since January 1999. . 4 <br /> Other CRWQCB-CVR concerns voiced in the July 18, 2000 Nonconcurrance letter .4 <br /> TABLE 1 - CHECKLIST OF REQUIRED DATA FOR NO FURTHER ACTION REQUESTS AT <br /> UNDERGROUND TANK SITES . , .. ..4 <br /> Item 4 No - Excavated soils associated with the UST's were returned to the tank pit. .4 <br /> Item 8 No—The vertical and lateral extent of groundwater contamination has not been defined 5 <br /> Item 9 No - Zone of influence calculated and assumptions used for subsurface remediation <br /> system and the zone of capture attained for the soil and groundwater remediation system .5 <br /> Item 13 Complete a mass balance calculation of groundwater contamination using all <br /> monitoring well data .. .. ,. . ,... .-- -. , ... 5 <br /> Soil Contamination . . . 5 <br /> Groundwater Contamination . . .. . 6 <br /> Current Conditions of Site . . 8 <br /> 3 <br /> } R-603 Jan 2001 <br />