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Mr. Hufstetler, Dennis Fields and I discussed handling of the spill by neutralization. It was decided by Mr. Hufstetler to use sodium bicarbonate to bring the ph above 5, at which point the area could be hosed down. Dennis Fields, O.E. S. , departed after this because he was to be off at 1: 00 P.M. Immediately, the employees obtained bags of sodium bicarbonate and applied it to the spill. I gave Mr. Hufstetler the pH tape and watched as he took the pH in various locations of the spill until the pH strip turned green and matched the pH7-8 reading on the chart. It was considered safe to hose the area down. (As per phone call with Mr. Hufstetler on August 3, 1990, 150 pounds of sodium bicarbonate were used to neutralize the spill. ) I inquired of Sam Martinez where the drains would carry the wash water. I specifically wanted to know if the drain system went to the ditch. Mr. Martinez informed me the waste water would go inside the building to the north into a grease trap. He stated the grease trap was pumped out regularly. I then accompanied Mr. Hufstetler to his office and asked for the parent company address and inquired who should be the contact person for the Proposition 65 Notification. I stated I would be filing two Propositions 65 's, one on the acid spill and one on the ditch. Mr. Hufstetler stated he would be the responsible party for the Proposition 65 's, and he would notify the parent company of the spills. He stated the parent company had an environmental agent who would come out from the home office to deal with the environmental issues. Inspection was completed and I departed the facility. July 31, 1990 I received a phone call from Gary Kenney, (209) 951-8371, Water Technology, (209) 951-8371, 6333 Pacific Ave. Suite 285, Stockton, CA. , 95207, who informed me how the acid spill occurred. Mr. Kenney stated the following: 1. On Wednesday, July 25, 1990, Mr. Kenney had pumped hydrochloric acid into the bread making unit and circulated it through an acid barrel. 2 . Mr. Kenney noticed a small leak in the barrel and taped it up. 3 . On July 26, 1990, Mr. Kenney came back and noticed 10-15 gallons of solution had escaped. He hosed the area down. I asked if he did anything to neutralize the acid. Mr. Kenney stated he had not done anything to neutralize the acid.