View Actual EPA Method 8081A (PDF File)

TABLE 10ANALYTE RECOVERY FROM DICHLOROETHANE STILLBOTTOMSUltrasonic ExtractionSoxhletCompound %Recovery %RSD %Recovery %RSDHexachloroethane 70 2 50 302-Chloronapthalene 59 3 35 354-Bromodiphenyl ether 159 14 128 137"-BHC 55 7 47 25$-BHC 43 6 30 30Heptachlor 48 6 55 18Aldrin 48 5 200 258$-BHC 51 7 75 42*-BHC 43 4 119 129Heptachlor epoxide 47 6 66 34Endosulfan I 47 4 41 18(-Chlordane 48 5 47 13"-Chlordane 45 5 37 21DDE 45 4 70 40Dieldrin 45 5 58 24Endrin 50 6 41 23Endosulfan II 49 5 46 17DDT 49 4 40 29Endrin aldehyde 40 4 29 20DDD 48 5 35 21Tetrachloro-m-xylene 49 2 176 211Decachlorobiphenyl 17 29 104 93Concentration spiked in the sample: 500-1000 ng/g, three replicates analyses.Soxhlet extraction by Method 3540 with methylene chloride.Ultrasonic extraction by Method 3550 with methylene chloride/acetone (1:1).Cleanup by Method 3640.GC column: DB-608, 30 m x 0.53 mm ID.CD-ROM 8081A - 35 Revision 1December 1996