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Item#301- The P.E. revised the SPCC plan to show tanks L1 and L2 currently contain paving grade asphalt and not lube stock. The heat transfer oil containers were also added to the SPCC plan. The 275- gallon containers were actually already included in the plan. I regretfully believe the SPCC plan we showed you was not the latest version. Since your inspection,the 55-gallon containers of waste oil were replaced with a 275-gallon tank. This was also added to the plan. The 1000-gallon gasoline tank was included in the version of the SPCC plan mentioned above that we mistakenly did not show you. This tank is listed in the plan as "closed" and is currently located behind warehouse#1 in the southwest corner of the facility. Item#609- The SPCC plan was updated by the P.E.to show the correct 24-hour phone number for the San Joaquin County Environmental Health Department. Item#706- The 150-gallon diesel tank was taken out of service and will be removed from the site. This change is reflected in the P.E.'s update of the SPCC plan. The pitting on the 2,100 gallon diesel tank was on the tank when we installed the tank. The P.E. indicated that the pitting was visually observed. The tank was painted prior to its installation. The P.E. indicated that as long as no new pitting is observed, the outer shell is completely capable of containing the contents of the tank. In addition,the tank is surrounded by a concrete containment wall. The P.E. changed the wording of the inspection form to observe "new" pitting or corrosion,which was what our understanding of the inspection was to verify all along. Item#718- The heat transfer drums in the"old shop" (maintenance shop)were placed into secondary containment structures made from used totes. Two drums were placed into each tote and the capacity of the tote will exceed 62 gallons (largest container plus freeboard). Hazardous Waste Item#102- As previously discussed,the metal fines were sieved to determine particle size. This test indicated that 0.72%of the metal is less than 100 microns. It was decided to test the metal fines and compare the results to the California Code of Regulations Title 22 requirements for hazardous waste metal concentrations. We are awaiting the results from this test. The 55-gallon drum of used DEF is scheduled to be disposed of as hazardous waste by Safety Kleen. This drum should be removed by later today or early next week. As discussed,we had setup a profile to dispose the latex at a class II landfill. You indicated that fish toxicity testing would need to be done because the SDS we sent does not make it immediately clear that it is not considered toxic. Due to the cost of performing a fish bioassay relative to the disposal cost,we now plan to ship this off as hazardous waste. The paint cans that were not empty and were not longer useful were disposed of my Stericycle. I total of 24 containers were disposed. The four 5-gallon rubber cans were opened and found to actually be latex. This material will be disposed of with the latex mentioned above. Item#104—A new contingency plan was developed and uploaded in CERS. Emergency coordinators have been assigned and are included in the plan. This plan is now posted by a phone.