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Tracy, CA 0-1 Glass, Inc. Maintenance notified. Scheduled maintenance and inspection tasks are performed regularly, based on certain time frequencies (i.e., monthly). These tasks: 1) Are based on recognized and generally accepted good engineering practices. 2) Follow schedules that match manufacturer's recommendations. 3) Are conducted more frequently based on prior operating experience if necessary. Attachment A contains maintenance and inspection tasks with frequencies in tabular form for the following equipment in the aqueous ammonia and anhydrous ammonia systems: • Storage Tanks • Pumps (aqueous ammonia system only) • Piping • Valves These inspections are tracked on the preventative maintenance module (PMM) of SAP, which is described further below. The maintenance schedule is periodically reviewed for adequacy. Changes to the maintenance and inspection tasks require updates to the CaIARP program. 4) Written Maintenance and Inspection Procedures Written maintenance and inspection procedures which have been developed for the maintenance and inspection tasks performed at the facility. These written procedures are contained in the equipment Operations and Maintenance manuals. Maintenance is tracked through the PMM of SAP. Maintenance personnel complete the work orders generated through the PMM of SAP. The work orders include the following: • date of maintenance or inspection; • name of person who performed the maintenance or inspection; • equipment or instrument identification number; • description of the maintenance or inspection performed; and • the results of the maintenance or inspection. 5) Procedures for Addressing Equipment Deficiencies Any deficiencies in aqueous ammonia or anhydrous ammonia equipment identified during shift rounds,during scheduled maintenance and inspection tasks,or during a review of the mechanical integrity program should be corrected before further use unless alternate safety measures are Page 1 3