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Flying J Travel Plaza #618, 1501 N. Jack Tone Rd., Ripon SCA, 95366 --SR0068444 installed from the injection building to the tee into the existing piping will be meet the continuous monitoring requirement. Also how is the biodiesel delivered to the injection building by pressure or suction? If suction, does it meet the definition of"safe suction"? Second response received: Cut sheet provided for 3" Ameron LCX in this submittal. Additional hydrostatic monitors proposed for all new piping being installed. The biodiesel is delivered to the injection system in a double walled, continuously hydrostatically monitored conventional suction system. According the submitted information 2" Ameron Coaxial LCX will be used for the biodiesel conventional suction piping and 3" Ameron Coaxial LCX will be used for tapping into the existing AO Smith 3" over 2" pressurized diesel piping. Sheet PP5 illustrates that the interstitial space of the diesel piping entering and exiting the transition sump in the injection building will be hydrostatically monitored. The interstitial space for the pressurized diesel piping must utilize pressurized liquid level monitoring. Please note that according to the CA State Water Resources Control Board's enclosure to the letter from February 29, 2008, "Matrix of Nonmetallic Piping Monitoring Applications", updated August 26, 2013, only Ameron's Brine Filled Interstitial Space Monitoring System must be used for pressurized liquid level monitoring. The current method of monitoring the hydrostatic piping uses a Bravo Manometer with a Veeder Root sensor. Furthermore the AO Smith 3" over 2" piping is not approved for any type of interstitial liquid level monitoring. The maximum distance that secondary piping can utilize pressurized liquid level monitoring is 344 feet. Provide a revised Sheet PP1 that illustrates greater detail for the area of transition of the Ameron Dualloy LCX 3" pressurized piping exiting and entering into the AO Smith 3" over 2" pressurized piping and how continuous monitoring of the secondary containment will be achieved. Currently the pressurized primary diesel lines are split into three separate sections that come from three different tanks and turbines each with a mechanical line leak detector. The proposed plans indicate that the lines will be manifolded together; therefore the existing mechanical line leak detectors will not be able to detect a 3 gallon per hour leak rate. Provide information for how the pressurized diesel piping will be monitored by line leak detection to meet the required 3 gallon per hour leak rate test. Submit a revised Sheet PP1 that illustrates how the existing pressurized piping will be connected to the new pressurized piping. If the method of leak detection will be changed from the current configuration, submit a revised Sheet PP2.1 that lists the sensors. 4. The secondary containment sump within the injection shed does not contain all of the piping and attached equipment. Explain how the plans will comply with Chapter 6.7 of HSC. First response received: Injection shed foundation and floor is designed to be the containment with a recessed sloped floor installed to a drain into the sump which is monitored by a sensor. Upon reviewing the appropriate sheets, the transition sump in the injection building is a NEF — National Environmental Fiberglass sump. Please provide a manufacturer cut sheet, an Affirmative Statement of Compatibility and a third party listing for this sump. 3