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o. Tank and/or Containment Certifications: ISE has state licensed engineer certification that the PBR treatment unit met primary and secondary containment requirements. p. Air Board Permits: N/A q. Variances NONE r. Recycling Records: N/A s. Other: IV. NARRATIVE OF OBSERVATIONS/DISCUSSION WITH OPERATOR At 9:00 a.m. myself(Rob Brushia), Stephen Binning, and Tom Asoo, all with DTSC, arrived at ISE labs (ISE) in Manteca California. We entered at the security office(see attached map)and informed the receptionist that we were from DTSC and were onsite to do a standard hazardous waste generator inspection of the facility. The receptionist referred us to Mr. William 'Bill"Price. I informed Mr. Price that we were from DTSC and wanted to do a waste inspection. I also informed him that photos would be taken and I asked his permission to enter and do the inspection. Mr. Price consented. At that point I asked Mr. Price if he could explain to us what type of business ISE is and what kinds of hazardous waste ISE generates. Mr. Price informed me that ISE is an electronics manufacturer, typically microprocessors and that ISE had a lead-tin electroplating line and generated primarily wastewater from the electroplating line that was hazardous because it was acidic and contained high levels of lead and tin. Mr. Price also stated that ISE produced small amounts of waste oil and very small amounts (<5 gallons per month)of various organic solvent wastes, including ether and alcohol. Mr. Price stated that ISE operations were almost completely shut down currently pending a change in ownership and a company name change to take effect on January 1, 2001. The new company will be called Silicon Turnkey Solutions. Next we proceeded to begin inspecting the facility. Mr. Price escorted us from the Security area toward the MECO Plating line. It was obvious that much of ISE was indeed shutdown. The following rooms were kept locked and no employees were present and there was no evidence of hazardous waste generation or storage in these rooms: Reliability Lab, Backend Environmental and Final Visual, Front End, Maintenance Area, MECO Lab (see attached facility map). Mr. Price informed us that these rooms had not been used for some time. Mr. Price did inform us that the MECO Plating line is used, but only occasionally. On the day of the inspection the line was not in operation. The MECO plating facility consists of a series of relatively small acid lead & tin plating baths (<50 gallons in volume)and surface preparation baths in a room with a chemical-resistant, lined floor. There is a secondary containment trough completely surrounding the plating line. There was a considerable volume of liquid in the secondary containment trough. Mr. Price stated that the liquid came from washing-down the floor of the MECO Plating room and that the liquid was typically pumped out for treatment on a regular basis. I reminded Mr. Price that liquids cannot be allowed to stand in secondary containment for more than 24 hours. We left the MECO Plating shop and walked down the main cooridor of the ISE building toward the west. We noticed some unlabeled 5-gallon plastic carboy containers in the Marking and Dejunk/Debar room. Mr. Price DTSC (W95) Page 3 of 5