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Sacramento River Basin NAWQA Program

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Water-Quality Assessment of the Sacramento River
Basin, California: Water-Quality, Sediment and Tissue
Chemistry, and Biological Data, 1995-1998
(Open-File Report 2000-391)

Quality Control
Spiked sample data: Ground Water

Pesticides in filtered water (0.7 micrometer glass fiber filter)
analyzed by gas chromatography/mass spectrometry

Number of significant figures do not reflect analytical method
reporting levels.

Method reporting levels of all analytes

[Cannot Calculate - Recovery of pesticide cannot be calculated because of estimated analytical values]

USGS Site Number State Well Number Date Time 2,6-Diethylaniline (Percent Recovery) Acetochlor (Percent Recovery) Alachlor (Percent Recovery) Atrazine (Percent Recovery) Methyl Azinphos (Percent Recovery) Benfluralin (Percent Recovery) Butylate (Percent Recovery) Carbaryl (Percent Recovery) Carbofuran (Percent Recovery) Chlorpyrifos (Percent Recovery) Cyanazine (Percent Recovery) DCPA (Percent Recovery) Desethyl Atrazine (Percent Recovery) Diazinon (Percent Recovery) Dieldrin (Percent Recovery) Disulfoton (Percent Recovery) EPTC (Percent Recovery) Ethalfluralin (Percent Recovery) Ethoprop (Percent Recovery) Fonofos (Percent Recovery) Lindane (Percent Recovery) Linuron (Percent Recovery) Malathion (Percent Recovery) Metolachlor (Percent Recovery) Metribuzin (Percent Recovery) Molinate (Percent Recovery) Napropamide (Percent Recovery) Parathion (Percent Recovery Methyl Parathion (Percent Recovery) Pebulate (Percent Recovery) Pendimethalin (Percent Recovery) Phorate (Percent Recovery) Prometon (Percent Recovery) Propachlor (Percent Recovery) Propanil (Percent Recovery) Propargite (Percent Recovery) Pronamide (Percent Recovery) Simazine (Percent Recovery) Tebuthiuron (Percent Recovery) Terbacil (Percent Recovery) Terbufos (Percent Recovery) Thiobencarb (Percent Recovery) Triallate (Percent Recovery) Trifluralin (Percent Recovery) Alpha-BHC (Percent Recovery) Permethrin (Percent Recovery) p,p'-DDE (Percent Recovery)
381923121255001 6N/5E-33Q2M 5/23/96 1052 83 113 131 113 Cannot Calculate 83 103 Cannot Calculate Cannot Calculate 90 122 103 Cannot Calculate 113 93 94 89 94 94 103 94 94 113 131 94 103 103 103 93 90 68 103 122 103 103 86 90 113 122 Cannot Calculate 113 113 103 86 94 97 74
390954121394302 15N/3E-8F2M 6/13/96 1042 91 103 112 112 Cannot Calculate 56 89 Cannot Calculate Cannot Calculate 103 122 103 Cannot Calculate 103 94 94 94 56 94 91 94 122 112 112 90 94 103 122 43 92 52 92 112 103 122 112 94 112 159 Cannot Calculate 103 103 103 54 94 81 84
385550121352201 13N/3E-36L4M 8/8/96 1112 Cannot Calculate 121 133 120 Cannot Calculate Cannot Calculate Cannot Calculate Cannot Calculate Cannot Calculate 103 146 111 Cannot Calculate 103 72 85 Cannot Calculate Cannot Calculate 102 94 90 166 140 143 122 Cannot Calculate 89 128 Cannot Calculate Cannot Calculate 85 75 121 Cannot Calculate 136 69 110 121 Cannot Calculate Cannot Calculate 83 128 93 Cannot Calculate 72 57 47
390856122044301 15N/2W-16R1M 8/13/97 0932 80 90 95 98 Cannot Calculate 60 92 Cannot Calculate Cannot Calculate 78 104 97 Cannot Calculate 86 79 82 92 86 93 83 88 97 88 104 72 99 86 89 87 92 70 64 94 106 111 83 92 100 138 Cannot Calculate 53 97 89 68 75 44 57
392931122031701 19N/2W-23E1M 8/20/97 1132 103 132 118 115 Cannot Calculate 104 101 Cannot Calculate Cannot Calculate 99 126 122 Cannot Calculate 107 94 100 100 122 130 97 100 163 121 134 109 106 104 135 104 104 141 101 115 107 133 106 117 115 151 Cannot Calculate 91 116 109 116 101 71 65
393235122055301 20N/2W-32J1M 9/18/97 1102 83   102 92 Cannot Calculate 80 86 Cannot Calculate Cannot Calculate 87 116 96 Cannot Calculate 91 80 88 83 103 107 90 89 Cannot Calculate 109 110 104 85 107 121 120 85 100 83 96 112 83 109 96 89 Cannot Calculate Cannot Calculate 80 100 89 90 83 Cannot Calculate 52
385720121282401 13N/4E-24Q1M 10/2/97 1122 83 73 73 83 Cannot Calculate 44 85 Cannot Calculate Cannot Calculate 66 46 101 Cannot Calculate 62 106 56 88 61 82 69 83 126 43 73 53 89 61 71 73 88 45 54 79 86 84 62 70 74 64 Cannot Calculate 53 79 81 56 86 33 48
382800121270701 7N/5E-17B1M 7/22/98 1042 86 90 86 66 Cannot Calculate 48 94 Cannot Calculate Cannot Calculate 79 78 91 Cannot Calculate 80 107 80 89 57 96 79 72 149 69 84 60 89 73 56 84 83 50 74 73 74 104 95 99 60 71 Cannot Calculate 70 88 102 50 107 46 81
383727121301801 9N/4E-23A1M 8/6/98 0932 105 121 111 94 Cannot Calculate 73 115 Cannot Calculate Cannot Calculate 91 107 95 Cannot Calculate 113 142 85 101 95 95 133 135 129 88 116 81 88 121 84 93 96 66 97 88 92 103 128 109 89 90 Cannot Calculate 67 114 98 78 115 45 76
384318121230001 10N/5E-13F1M 8/19/98 1012 101 114 108 81 Cannot Calculate 78 121 Cannot Calculate Cannot Calculate 78 103 87 Cannot Calculate 107 141 83 110 91 87 136 108 128 73 114 80 92 108 72 80 105 60 105 86 99 94 111 104 80 95 Cannot Calculate 68 110 99 77 110 38 60

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