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A Hazardous Waste Storage area that consisted of 2 wooden covered boxes open on one side. One box contained 6 — 55 gallon drums labeled as Hazardous Waste. 4 were labeled as "plate developer," and 2 labeled as "machine oil." See photo exhibit 27. The other box contained 10 — 55 gallon drums labeled as Hazardous Waste. 4 labeled as "water based ink," 4 labeled as "plate developer," 1 labeled as "no good oil," and 1 unlabeled. See photo exhibit 16. A sample was taken from three of these drums. After inspection of the property and the wastes we determined we would need to take four samples to represent the different wastes found on site. One of the flammable inks in the first trailer, and then one from each type of labeled hazardous waste drum, a plate developer, a used oil, and a water based ink. During sample collection Gil Whipple and I were in Level C personal protective equipment, wearing a Tyvek-QC suit, rubber boots, nitrile gloves, and full face respirators with Advantage GME -P100 filters. A new pair of nitrile gloves was donned for each sample. The locations from which each sample was taken can be found in attachment 3 the diagram of the sampling area. Photo exhibits referenced for each sample below can be found in attachment 1 the Photo Log for Oakland Bag. Sample OakB1 was collected from a 5 gallon metal bucket of ink. The 5 gallon container of ink was from Advantage Inks labeled "flexo 7512 brown." and had a flammable sticker on the container. It was found on the top (3rd) shelf in the first storage container. The bucket was opened using a flat head screw driver and the sample taken using a new disposable plastic 5 ml pipette. Sample OakB1 was collected in a 4 oz clear glass jar and enough sample was taken to fill the container. The sample was then closed, sealed with evidence tape, photographed, placed in a cooler and locked in the back of the sampling vehicle. See photo exhibits 11 -15. Sample OakB2 was collected from a 55 gallon blue hazardous waste drum found in the hazardous waste storage area. The drum was labeled as NonRCRA Hazardous Waste Liquid Plate Developer #70640. The drum was opened using a non sparking drum wrench. Once opened 100ppm (parts per million) of volatile organic compounds (VOCs) were detected coming from the drum by an MSA Sirius Multigas Detector. The sample was then collected using a new Coliwasa (composite liquid waste sampler) to obtain liquid from every level of the drum in case there are multiple phases in the drum that have separated out. Upon collection of the sample it was apparent there were multiple phases in the drum; one was a white cloudy liquid and the other a clear yellow liquid. Sample OakB2 was collected in a 32 oz clear glass jar and enough sample was taken to fill the container. The sample was then closed, sealed with evidence tape, photographed, placed in a cooler and locked in the back of the sampling vehicle. See photo exhibits 16 -19. Sample OakB3 was collected from a 55 gallon black hazardous waste drum found in the hazardous waste storage area. The drum was labeled as "no good oil." The drum was opened using a non sparking drum wrench. No VOCs were detected coming off the drum. The sample was then collected using a new Coliwasa to obtain liquid from every level of the drum in case there are multiple phases in the drum that have separated out. Only one phase was seen upon collection of the sample. Sample OakB3 was collected in a 32 oz clear glass jar and enough sample was taken to fill the container. The sample was then closed, sealed with evidence tape, photographed, placed in a cooler and locked in the back of the sampling vehicle. See photo exhibits 20 — 22. SAMPLING REPORT Page 4 of 7 CASE NUMBER: 14008