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2. <br /> USe -EPA method 3550, sonication tzaction, MPAmanual 84P-846, April 1984) : Acetone axtraction- <br /> with sample partitioning in hexane has been <br /> to bs an acceptable Fouad aampla preparation, ho9►ound <br /> other appropriate solvents may also ba uaed. <br /> E. l► Ivs a; <br /> Petroleum fueIhyraoca boons for detection of total <br /> Detector: Flame Ionisation <br /> Column: 10 Percent 8P�2100 on 80.100 aft x 1/8w <br /> glass supolcoport. Capillary columns may a <br /> used as a substitute to �8 Y leo be <br /> Carrier Gas: Nitrogen at 3proveixi paration. <br /> Injector Temptraturei- 25010C <br /> Detector Temperatures; 30$oC <br /> Column Traturse 4d o hold for 3 minutes <br /> 10°Cm <br /> / ramp rats to 30GOC or until at least 95,� <br /> Of ail components are Slated. <br /> C. =alati 110== <br /> inQuantify Total - petroleum Fuel Hydrocarbonsocarbons <br /> e9�ting all detectable peaks within the time <br /> period in which at Ieast 95% or the recoverable <br /> based arbeo are eluted. Calibration shall . be <br /> upon an appropriate fuel standard <br /> representative of the suspect fuel. <br /> If an- appropriate sample for calibration does <br /> ncaotlibraiiexston, as in the taxa_. of an aged .fuel� <br /> shell bt <br /> don* using a canon-aged" <br /> representative fuel standard. <br /> Calibration should be established within the <br /> estimated range of contaminant lsvtls within the <br /> sample, based on odor or- sheen or on prascre <br /> measurements (i.e. , combustable gas aetar, or I.R. <br /> method) . Where "non-detectable, concentrations" <br /> art reported, the level of detection shall not <br /> exctsd 10 ppm for soil and 5o ppb for vater. <br /> 2-3 <br />