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r 6 & to <br />The detector gave an "oil" response to five of five tests. The average detection time after <br />immersion in gasoline was 3 seconds. The average fall time after removal from gasoline <br />was 16 seconds. Results of these tests are presented in Table 11. <br />In addition to tests to determine response and fall times, the MD210RA <br />was tested with six different hydrocarbon liquids to determine its specificity. Tests were <br />done with commercial gasoline, n -hexane, JP -4 jet fuel, synthetic gasoline, toluene, and <br />xylene(s). The detector gave an "oil" indication in response to all of these test products. <br />Specificity test results for this detector appear in Table 12. . <br />9 <br />!3 <br />Response <br />Response <br />Average -,:,:.Response <br />° <br />" Avearage <br />Be%re . <br />Alter <br />Response <br />_ Aiiet <br />Fallliine <br />Test'I34uicl>r=. <br />Immersion <br />Immersion.. <br />:Time..(sec <br />Water <br />Dry <br />Wet <br />4 <br />Dry <br />18 <br />Commercial <br />Dry <br />Oil <br />3 <br />Dry <br />16 <br />Gasoline <br />In addition to tests to determine response and fall times, the MD210RA <br />was tested with six different hydrocarbon liquids to determine its specificity. Tests were <br />done with commercial gasoline, n -hexane, JP -4 jet fuel, synthetic gasoline, toluene, and <br />xylene(s). The detector gave an "oil" indication in response to all of these test products. <br />Specificity test results for this detector appear in Table 12. . <br />9 <br />!3 <br />