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SPCC for Antonini Enterprises Lathrop Facility <br /> This release would be controlled within the secondary containment provided by the <br /> outer tank wall. <br /> 3) A worst case scenario would be a simultaneous breach of both walls of AGT 7. In this <br /> scenario it is possible that all 400 gallons of waste oil could be released. Such a release <br /> would flow across the concrete floor of the Maintenance Shop and outside to the asphalt <br /> surface to the east. If not abated, a release would flow towards the gutter and ultimately <br /> to Stormwater Retention Pond 1 which acts as secondary containment in this scenario. <br /> The retention pond would be the end point of the spill. <br /> AGT 8 through AGT 10: 55-Gallon and 35-Gallon Drums <br /> AGT 8 and AGT 9 are each 55-gallon drums containing synthetic gear oil and synthetic <br /> transmission fluid, respectively. AGT 10 is a 35-gallon drum containing lubricating oil. All of <br /> these drums are located within the Maintenance Shop Area and none have secondary <br /> containment. There are several possible spill scenarios. <br /> 1) A hole in bottom of one of these drums could result in a release of fluid to the shop <br /> floor. It is estimated that such a release would be less than 1 gpm with a total volume of <br /> no more than 55 gallons lost. Such a loss could be readily abated by shop personnel. If <br /> not fully contained, the fluid would ultimately flow outside the Maintenance Shop Area to <br /> the asphalt surface to the east. If not abated, a release would flow towards the gutter <br /> and ultimately towards Stormwater Retention Pond 1, which acts as secondary <br /> containment in this scenario. The size of the release and the distance to the retention <br /> pond makes it unlikely the spill would reach the pond. The material on paved surfaces <br /> could be contained, absorbed, and disposed of properly by shop personnel. <br /> 2) Spillage during filling or emptying of these AGTs could result in relatively minor spills <br /> (less than 5 gallons), which could be easily abated by shop personnel. <br /> 3) A worst case scenario would be a toppling of a full AGT. Such a spill would likely result <br /> in an immediate release of all 55 gallons to the shop floor. A majority of the spill would <br /> likely flow outside the Maintenance Shop Area to the asphalt surface to the east. If not <br /> abated, a release would flow towards the gutter and ultimately towards Stormwater <br /> Retention Pond 1, which acts as secondary containment in this scenario. The size of the <br /> release and the distance to the retention pond makes it unlikely the spill would reach the <br /> pond. The material on paved surfaces could be contained, absorbed, and disposed of <br /> properly by shop personnel. <br /> AGT 11 through AGT 13: 55-Gallon Drums with used Filters <br /> AGT 11 through AGT 13 are each 55-gallon drums containing used oil filters. All three of <br /> these drums are located within the Maintenance Shop Area and none of the drums have <br /> secondary containment. There are three possible spill scenarios. <br /> 1) A hole in bottom of one of these drums could result in a release of fluid to the shop <br /> floor. It is estimated that such a release would be less than 1 gpm. Such a loss could <br /> be readily abated by shop personnel. <br /> 2) Spillage during filling or emptying of these AGTs could result in relatively minor spills <br /> (less than 1 gallon), which could be easily abated by shop personnel. <br /> 3) A worst case scenario would be a toppling of a full AGT. Such a spill would likely result <br /> in an immediate release of the drum contents to the shop floor. It is estimated that such <br /> a release would be less than 5 gallons lost. The spilled materials could be readily <br /> abated by shop personnel. <br /> -7- <br />