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Sierra Chemical Co. Hazardous Waste Management Plan • Recycled as a scrap metal (see below for requirements priorto meeting this exemption);or • Disposed as hazardous waste Sierra Chemical Co. has chosen to manage their waste aerosol cans as hazardous waste underthe Federal EPA wastes codes D001 and D035 and the CA EPA waste code 343. Disposal of aerosol cans as a non-hazardous waste may only occur if: • The can is empty according to 40 CFR section 261.7(orthat the product it contains is non- hazardous), and • The can itself is not reactive The reactivity characteristic of an aerosol can only be removed by puncturing,which may be considered as treatment in some instances.Therefore, if it is determined that aerosol cans are to be disposed of and they do not meet the two requirements above,Sierra Chemical Co. has chosen to assume aerosol cans to be hazardous and containerize them, dispose of them and manifest them appropriately. Aerosol can puncture devices may be used to completely empty aerosol cans of their contents and diminish reactivity. Moreover, punctured and drained aerosol cans meet the definition of an "empty container" and are exempt from management as hazardous waste management requirements.The contents of the aerosol cans, however, may need to be evaluated to determine if they are required to be collected as hazardous waste when punctured. 5.7 All Other Wastes(non-hazardous) Sierra Chemical Co. accounts for all waste materials onsite, both hazardous and non-hazardous and appropriately disposes of all non-hazardous materials as well. Methods for appropriate disposal include segregation of materials, recycling,and good housekeeping procedures.All used wood pallets, metals, plastics,cardboard, and paper are segregated and recycled to the extent feasible. Any materials that are suspected to be hazardous or contaminated with hazardous material are disposed of in compliance with all laws and regulations. 6. Waste Storage and Labeling 6.1 Central Accumulation Areas Hazardous waste must ultimately be placed in closed containers,tanks or in containment structures, bins,or buildings. For the purpose of Sierra Chemical Co.,the majority of waste is collected in containers within the central accumulation area.This area is fenced and labeled in the northeast corner of the main warehouse, as observed on the site map in Appendix A.The wastes listed in Table 5.1 encompass all hazardous wastes generated at this facility. All wastes generated onsite, with the exception of a small quantity of waste oil are stored in the central accumulation area in the main warehouse.At least weekly, the central accumulation waste area will be inspected according to the requirements listed in section 7 of this Plan. All hazardous waste containers are labeled in accordance with 22 CCR 26262.All hazardous waste labels must be labeled with the following information: • The words "Hazardous Waste" • Generator name, address and phone number of the generator; Prepared By: Issue date: Replaces: Page: ACT Environmental Services, Inc. May 12,2016 March 4,2016 14 of 27