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-4- <br /> TABLE 1 - ATTENUATION OF PESTICIDES AT DISPOSAL SITES <br /> Pesticide Levels, ppm <br /> Site# (See Appendix C for Descriptions) <br /> Depth <br /> Pesticide 5 6 8 9 10 11 <br /> DDT 0-6" 26 14 <400 <5 490 <br /> 18-24" 0. 35 1.1* <0.02 <0.01 76 <br /> DDE 0-6" 10 9.3 <200 . 13 <50 <br /> 18-24" <0.1 3.6* <0.01 <0.005 8. 1 <br /> Endotulfan 0-6" 127 44 820 8.6 1490 <br /> I&II 18-24 0.045 <0.05 0.036 <0.005 <5 <br /> Methiocarb 0-611 590 <br /> 18-24" 15 <br /> Ordram 0-6" 120 3.1 <br /> 18-24" 1.8 <0.2 <br /> Bolero 0-6 58 15 75 <br /> 18-24" 0. 36 <0.2 <0.01 <br /> Parathion 0-611 6.8 19 48 <br /> 18-24" <0.1 <0.1 <0.1 <br /> Methyl 0-6" 8.2 33 <br /> Parathion 18-24" <0.1 <0.1 <br /> Ethion 0-6" 20 5.4 2.5 110 94 <br /> 18-24" <0. 69 <0_1 -- <0.1 - <0.1 _ 3.1 <br /> Copper 0-6" 12,000 25,800 93 <br /> 18-24" 45 50 23* <br /> *Pesticide may be present due to burial of soil form an old cisposal area. <br /> iii ! IL <br />