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Hi Tim, <br /> I am the new caseworker for 4405 Pacific Avenue, Stockton. I am reviewing the Soil-Vapor and Groundwater <br /> Remediation Report First Quarter. If I may have clarification on the following I would appreciate it: <br /> • The report says the remedia Jon system was in operation 11 hours per day. Looking at the performance data in <br /> Table 4, 1 am not calculating the same number of hours in a given time range as compared to the operation <br /> hours presented in the table For example, between 18 Dec. 2013 and 27 Jan. 2014,the table states 353.8 hours <br /> of operation occurred. However,that time frame is approximately 41 days and multiplying this by 11 hours gets <br /> me 451 hours. For 27 Jan.— Li Feb. (plus 1 hour on 24 Feb.) is about 16 days,times 11 gets me 178 hours(yet <br /> the table says 139.1). <br /> o As a related side noe,the narrative on page 4 of 9 also refers to these operation hours, saying that <br /> between Dec.2013id Feb. 2014,total hours of operation is 139.1 (which does not agree with table 4). <br /> • The temperature for the system's catalytic mode has readings of 650 degrees Fahrenheit consistently since <br /> 8/2/2012-1/3/2014. Does the temperate gauge max out at 650? <br /> • Temperature dropped to 274 degrees Fahrenheit down to the mid 100's in the first quarter 2014. What was <br /> the reason for this? <br /> Also, may you please send me the raw data for these events?Technician field logs, readings, ect... <br /> Thank you, <br /> Gabriel Gonzalez <br /> 2 <br />