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TABLE 11SINGLE LABORATORY ACCURACY DATA FOR THE EXTRACTION OFORGANOCHLORINE PESTICIDES FROM SPIKED CLAY SOIL BY METHOD 3541(AUTOMATED SOXHLET) a % RecoveryCompound Name DB-5 DB-1701"-BHC 89 94$-BHC 86 NDHeptachlor 94 95Aldrin ND 92Heptachlor epoxide 97 97trans-Chlordane 94 95Endosulfan I 92 92Dieldrin ND 113Endrin 111 104Endosulfan II 104 1044,4'-DDT ND NDMirex 108 102aThe operating conditions for the automated Soxhlet were:Immersion time 45 min; extraction time 45 min; 10 g sample size; extraction solvent, 1:1acetone/hexane. No equilibration time following spiking.ND = Not able to determine because of interference.All compounds were spiked at 500 µg/kg.Data taken from Reference 10.CD-ROM <strong>8081A</strong> - 36 Revision 1December 1996
TABLE 12SINGLE LABORATORY ACCURACY AND PRECISION DATA FOR SOLID PHASE EXTRACTION BY METHOD 3535 1Bias (%) Precision (%) MDL ( µg/L)CompoundGround Ground Waste Waste Ground Ground Waste Waste Ground Wastewater water water water water water water water water water(low) (high) (low) (high) (low) (high) (low) (high)Aldrin 37.3 93.5 79.3 94.0 23.7 5.5 6.7 3.4 1.4 0.83$-BHC 89.2 107.8 79.7 82.3 6.5 2.5 1.6 4.2 0.91 0.20*-BHC 106.2 86.0 88.9 83.4 5.6 2.4 2.5 4.2 0.93 0.35"-Chlordane 75.4 112.3 78.9 89.5 12.8 2.7 4.7 2.4 1.5 0.58(-Chlordane 70.7 98.9 79.9 93.9 15.8 2.7 4.6 2.9 1.8 0.58Dieldrin 83.4 96.1 81.2 93.3 7.1 2.3 3.8 3.6 0.9 0.49Endosulfan I 79.6 99.1 79.6 87.9 10.6 2.3 4.1 3.8 1.3 0.51Endosulfan II 94.5 101.6 82.7 93.5 5.8 2.8 4.2 4.1 0.9 0.54Endrin 88.3 98.4 85.1 89.6 6.2 2.3 3.1 2.9 1.7 0.82Endrin Aldehyde 87.5 99.9 69.0 80.2 6.0 4.0 3.3 5.9 0.8 0.36Heptachlor 43.1 95.4 71.8 78.6 19.2 3.9 5.0 2.8 1.3 0.56HeptachlorEpoxide 76.4 97.6 75.3 83.4 12.1 2.4 2.9 3.3 1.5 0.34Lindane 81.3 115.2 82.1 85.3 11.1 3.2 2.4 3.1 1.4 0.32p,p’-DDE 80.3 96.0 85.1 97.9 8.3 2.5 4.4 2.4 1.0 0.59p,p’-DDT 86.6 105.4 105 111 4.4 2.7 4.3 4.7 0.6 0.71p,p’-TDE (DDD) 90.5 101.1 74.9 79.6 4.8 2.4 4.6 2.9 1.4 0.85All results determined from seven replicates of each sample type. Two spiking levels were used. "Low" samples were spiked at 5-10 µg/L for1each analyte, while "high" samples were spiked at 250 - 500 µg/L. MDL values were determined from the "low" samples without furtherconsideration of the spiking level.CD-ROM <strong>8081A</strong> - 37 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 and 34: TABLE 8GC OPERATING CONDITIONS FOR
Page 35: TABLE 10ANALYTE RECOVERY FROM DICHL
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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