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LG 113 Vendor/Template Page 1 of 2 <br />Local Guidance (LG) Letter 113 <br />[ updated: February 23, 2006 ] <br />Issue Date: August 28,1998 <br />Revision Date: April 27, 2004 <br />- •• <br />TLS -300,3001, TLS -350 Series, Red Jacket ProMax and ProPlus with <br />Discriminating Dispenser Pan Sensor 794380-322, <br />Discriminating Containment Sump Sensor 754380-352 <br />INTERSTITIAL DETECTOR (LIQUID -PHASE) <br />Detector: <br />Output type: qualitative <br />Sampling frequency: continuous <br />Operating principle: product permeable, reed switch/float <br />Test Results: <br />Model 794380-322 and 794380-352: Currently the SWRCB UST Program staff discourages the use c <br />strip discriminating sensors at new installations in California. This is due to concerns about the imp <br />repeated/ prolonged exposure to hydrocarbons may have on the sensor's ability to alarm and recov( <br />alarm reliably. Since current evaluation protocols do not address this issue, no new polymer strip sE <br />should be installed until new evaluation protocols are in place. <br />Discriminating Dispenser Pan <br />Sensor 794380-322 <br />Response time (sec) <br />Recovery time (sec) <br />Lower detection limit - height (in) <br />Lower detection limit - thickness (in) <br />Discriminating Containment. Sump <br />Sensor 794380-352 <br />Response time (sec) <br />Recovery time (sec) <br />Lower detection limit - height (in) <br />Lower detection limit - thickness (in) <br />polymer strip <br />float switch <br />unleaded gasoline <br />diesel <br />water <br />_ <br />high* <br />low* <br />—10 min <br />2-12 hrs <br /><1 <br /><1 <br />N/A** <br />N/A <br /><1 <br /><1 <br />N/D** <br />N/D <br />7.66 <br />1.37 <br />0.005 <br />0.005 <br />N/A <br />N/A <br />-10 min <br />2-12 hrs <br /><1 <br /><1 <br />N/A <br />N/A <br /><1 <br /><1 <br />N/D <br />N/D <br />12.28 <br />1.35 <br />0.005 <br />0.005 <br />N/A <br />N/A <br />httn-/hxruvui cwri-h ra anvh-wnhnmP/net/laalr nrPVPntinn/1a1 I I/VPndnr F11P..0/vPPr1Pr mnt n.h... 3/11/06 <br />