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MAINTENANCE HAZARDOUS WASTE MANUAL <br />Chapter 2 <br />Page 20 <br />Segregation of Incompatible Materials <br />Segregation and storage requirements of incompatible materials are shown in <br />Appendix B. -Storage Requirements and Limits. It is important to note that some <br />materials have more than one hazard class and may require additional separate storage <br />away from all other materials. Incompatible materials must be segregated to prevent a <br />reaction from occurring. If the quantity of incompatible materials is greater than 5 <br />pounds or %2 gallon the materials must be segregated. This can be accomplished by: <br />A. A dike, wall, berm or other device. <br />B. A separation of not less than 20 feet or a non-combustible partition. <br />C. Placed into an approved and appropriate storage cabinet that meets California Fire <br />Code Regulations. <br />Example: <br />1. Corrosives stored in a lined "corrosives" cabinet. <br />2. Flammables into an approved fire rated cabinet. <br />Management of Containers <br />Hazardous waste must be managed appropriately. Storage is dependent on guidelines set <br />by Cal -EPA, the California Building Code, Certified Unified Program Agency (CUPA's) <br />and California Fire Code for a specific facility site. Limitations on material storage <br />correspond to the hazard classification and quantity as shown in Appendix B: Storage <br />Requirements and Limits. They are also dependent on the design of the building used <br />for storage. Hazardous waste containers, regardless of storage location, are managed as <br />follows: <br />A. The containers shall always be closed during storage, unless waste is being added <br />or removed. Afterwards, the containers shall be securely closed. <br />B. The container shall not be opened, handled, or stored in a manner, which may <br />cause it to leak. <br />C. All containers shall have secondary containment to hold the contents if there is a <br />breach in the container. <br />D. Containers will be protected from rain by covering or keeping them stored inside. <br />E. Empty containers can be stored up to one year. <br />July 2018 <br />