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Complaint Investigation Summary Report#:5105 COMPLAINT ID: CO0053349 Site Location: 6163 S MOBLEY RD Activity Summary Activity Date Recorded by 01/30/2021 2:30pm -5:30pm : Dave Larsen called and informed me that the orchard is still FLORIDO flooded with water, the property owner is pumping the water, and there is no oil on the water. Left home for site. Arrived on-site and met with Dave. I observed the following: a large area of the orchard flooded with water; a pump was pumping the water from the flooded side of the orchard (east of driveway) to a less-flooded side of the orchard (west of driveway); the transformer pole without the transformers was laying on high ground (out of the water) in the orchard, next to a type of cell/power tower; a roll-off bin containing soil, tree trimmings, and oily absorbent pads and boom; a opaque whitish/grey sheen running north along the edge of the water on the east side of the driveway for-200-300 ft before accumulating an area of water-50 ft by 20 ft and -600 ft north of Mobley Rd.; the wind was blowing north. When Dave dipped a hydrophobic absorbent white pad in the sheen, the pad turned a light yellow/cream color. Dave stated the sheen was not oil, since the sheen did not look like the sheen made from transformer oil, and the absorbent pad was not yellow like the pads he had used to absorb the oil around the transformers. Dave and Alex Steele stated that once the water dries up in the orchard, Dave will go back to the site to see if he finds any oil left on the soil. Observed PSC personnel haul the roll-off bin of waste off site. Dave stated the waste was going to Forward Landfill to be disposed of. Dave sent me a copy of the oil sample analytical, which shows the transformer oil is non-detect for PCBs. Reminded Alex Steele to provide EHD with a copy of the waste disposal records. Left site for home. END. 01/31/2021 gam - 1lam : Discussed yesterday's findings with Elena Manzo, Ld Sr REHS. FLORIDO Determined that a sample of the sheen should be taken. Left home for site. Arrived on-site and observed the sheen in the same areas as yesterday. Dipped a piece of notebook paper into the sheen, in order to see if the paper would dry with an an oil stain. Took a sample of the sheen with water; Sample A. Took photos. Drove to the area where the transformer pole was lying flat. Observed what appeared to be a whitish sheen in the water nearby. The sheen was approximately 1 ft by 5-10 ft in size. Took a sample of the sheen with water; Sample B. Took photos. Updated Elena. Left site for home. Arrived home. Called and informed Alex Steele of my findings and that PG&E will either need to prove that the sheen is not from their transformer oil spill or suck up the water and excavate. Alex stated he will try to get Dave to go back out to the site tomorrow to take another look and keep me updated. Sent photos of sheen to Alex. END. 01/31/2021 Assisted Elianna Florido with clean up and water impact sampling considerations. MANZO 02/01/2021 Called and spoke to Dave Larsen who is aware that I am concerned that there is FLORIDO transformer oil on the water that needs to be cleaned. Dave stated he is unable to go to the site today because he is out of the county at other spills. Dave suggested I call Alex and have him run a sample of the water to determine if it has tranformer oil in it. Called and spoke to Tony Chapee, property owner, and informed him that I observed what may be transformer oil on the water in his orchard, and that PG&E will need to prove whether or not it is there transformer oil. Tony stated he would stop pumping the water to other parts of his orchard. Called and spoke to Alex Steele who stated that he or Dave probably won't be able to go to the site until 2/4 to take a look at potential oil on the water. Notified Alex that the owner is going to stop pumping the water to other parts of his field. Alex to let me know when he or Dave go back out to the site. Generated photo log. 5105.rpt Page 3 of 5