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Valley Industries <br /> Site Audit October 18, 2004 <br /> 7. Disposing of hazard waste at an unauthorized point <br /> Previously, metal waste chips or other manufacturing <br /> components were moved to roll-off bins located outside. <br /> Liquids (oil or coolant) from these wastes drained and <br /> eventually flowed toward the storm drains. Several <br /> changes have been made to the handling of the metal chip <br /> waste eliminating these releases. <br /> Initially, the chips are placed in a storage bin with a drain <br /> plate at the bottom. This allows the oils or coolant liquid <br /> to drain off the chips,resulting is a dry surface chip. <br /> Chips are then stored in roll-off bins with rainproof tarps <br /> to keep the rainwater out of the bins. The end result is <br /> that waste liquids are prevented from accumulating in the <br /> roll-off bins or released to the storm drains. <br /> In addition, several other liquid collection systems have been designed and <br /> installed throughout the manufacturing area to remove excessive liquids from <br /> parts or metal chip waste. Below are a few examples of these devices. <br /> Page 4 <br /> Prepared by Chemical Data Management Systems <br /> 6515 Trinity Court Suite 201,Dublin CA 94568 ❑ (925)551-7300 FAX(925)829-3886 <br /> 2525 Cherry Avenue,Suite 340,Signal Hill,CA 90755 D (562)988-0800 -1 FAX(562)988-0848 <br />