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Issue Date: November 22, 1995 <br />Revision Date: September 3, 2002 <br />d Ct <br />Local Guidance (LG) Letter 113 <br />[ updated: November 23, 2004 ] <br />Veeder-Root <br />ILS -250, ILS -350, TLS -250i, 250i Plus, 300, 300C, 300i, 300PC, TLS -350 Series, Red Jacket ProMax and ProPlus <br />with Interstitial Liquid Sensor for Fiberglass Tanks 0794390-401, 404, 407, 409, Interstitial Liquid Sensor for <br />Steel Tanks 0794390-420, 460, Liquid Sensor for Sumps 794390-206 <br />LIQUID -PHASE INTERSTITIAL DETECTOR <br />Detector: <br />Output type: qualitative <br />Sampling frequency: continuous <br />Operating principle: float switch <br />Test Results: <br />* ILS -250, TLS -2501, 250i Plus <br />unleaded <br />_synthetic <br />gasoline* <br />gasoline" <br />Interstitial Liquid Sensor for <br />Fiberglass Tanks 0794390-401, <br />404, 407, 409 <br />Response time (min) <br />3.66 <br />3.45 <br />Recovery time (min) <br /><1 <br /><1 <br />Product activation height (cm) <br />1.28 <br />1,27 <br />Lower detection limit (cm) <br />1.84 <br />1.65 <br />Interstitial Liquid Sensor for Steel <br />Tanks 0794390-420, 460 <br />Response time (min) <br />6.00 <br />6.51 <br />Recovery time (min) <br /><1 <br /><1 <br />Product activation height (cm) <br />3.67 <br />3.62 <br />Lower detection limit (cm) <br />4.05 <br />4.17 <br />Liquid Sensor for Sumps 0794390- <br />206 <br />Response time (min) <br />8.19 <br />8.49 <br />Recovery time (min) <br /><1 <br /><1 <br />Product activation height (cm) <br />4.12 <br />3.95 <br />Lower detection limit (cm) <br />4.67 <br />4.36 <br />* ILS -250, TLS -2501, 250i Plus <br />