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TABLE 9ANALYTE RECOVERY FROM SEWAGE SLUDGEUltrasonic ExtractionSoxhletCompound %Recovery %RSD %Recovery %RSDHexachloroethane 80 7 79 12-Chloronapthalene 50 56 67 84-Bromodiphenyl ether 118 4 nd nd"-BHC 88 25 265 18(-BHC 55 9 155 29Heptachlor 60 13 469 294Aldrin 92 33 875 734$-BHC 351 71 150 260*-BHC 51 11 57 2Heptachlor epoxide 54 11 70 3Endosulfan I 52 11 70 4(-Chlordane 50 9 65 1"-Chlordane 49 8 66 0DDE 52 11 74 1Dieldrin 89 19 327 7Endrin 56 10 92 15Endosulfan II 52 10 88 11DDT 57 10 95 17Endrin aldehyde 45 6 42 10DDD 57 11 99 8Tetrachloro-m-xylene 71 19 82 1Decachlorobiphenyl 26 23 28 48Concentration spiked in the sample: 500-1000 ng/g, three replicates analyses.Soxhlet extraction by Method 3540 with methylene chloride.Ultrasonic extraction by Method 3550 with methylene chloride/acetone (1:1).Cleanup by Method 3640.GC column: DB-608, 30 m x 0.53 mm ID.CD-ROM 8081A - 34 Revision 1December 1996
TABLE 10ANALYTE RECOVERY FROM DICHLOROETHANE STILLBOTTOMSUltrasonic ExtractionSoxhletCompound %Recovery %RSD %Recovery %RSDHexachloroethane 70 2 50 302-Chloronapthalene 59 3 35 354-Bromodiphenyl ether 159 14 128 137"-BHC 55 7 47 25$-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
Page 1 and 2: METHOD 8081AORGANOCHLORINE PESTICID
Page 3 and 4: CompoundCAS Registry No.Chloropropy
Page 6 and 7: confirmation techniques may be empl
Page 9 and 10: 5.7.2 1-bromo-2-nitrobenzene is sug
Page 11 and 12: columns. Table 2 lists average rete
Page 13 and 14: mean CF ' CF 'nj CF ii'1nwhere n is
Page 15 and 16: 7.5.6.1 For aqueous samplesConcentr
Page 17 and 18: 7.5.11 Identification of mixtures (
Page 19 and 20: Construct a similar baseline in the
Page 21 and 22: 8.0 QUALITY CONTROL8.1 Refer to Cha
Page 23 and 24: 8000, Sec. 8.0 for information on e
Page 25 and 26: TABLE 1GAS CHROMATOGRAPHIC RETENTIO
Page 27 and 28: TABLE 3aFACTORS FOR DETERMINATION O
Page 29 and 30: TABLE 5GC OPERATING CONDITIONS FOR
Page 31 and 32: TABLE 6 (continued)RETENTION TIMES
Page 33: TABLE 8GC OPERATING CONDITIONS FOR
Page 37 and 38: TABLE 12SINGLE LABORATORY ACCURACY
Page 39 and 40: FIGURE 2GAS CHROMATOGRAM OF INDIVID
Page 41 and 42: FIGURE 4GAS CHROMATOGRAM OF TOXAPHE
Page 43 and 44: FIGURE 6GAS CHROMATOGRAM OF ORGANOC

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