7942

• UCREFRP Catalog Number: 7942
• Author: Schmitt, C. J., et al.
• Title: National Pesticide Monitoring Program
• USFW Year: 1983.
• USFW - Doc Type: Organochlorine Residues in Freshwater Fish, 1976-79.
• Copyright Material: NO

10
Table 4. Geometric meana and maximum residue concentrations (µg/g, whole fish; all residue minima 5 detection
threshold), and percent occurrence (percentage of stations showing detectable residues in at least one sample) for
the 1976-77 and 197$-79 collection periods.'
Residue and collection Wet weight Lipid weight Percent
period Meana Maximum Meana Maximum occurrence
p,p'-DDE
1976-77 0.26 5.21 2.81 170.80 100.0
1978-79 0.25 6.76 2.89 92.33 100.0
p,p'-DDD
1976-77 0.08 1.77 1.00 57.10 99.1
1978-79 0.09 3.01 1.03 26.16 100.0
p,p'-DDT
1976-77 0.05 1.99 0.45 32.11 83.0
1978-79 0.04 1.95 0.38 19.14 74.1
EDDTo
1976-77 0.37 6.54 4.08 210.98 100.0
1978-79 0.36 10.62 4.19 103.69 100.0
Aroclor 1242
1976-77 ND ND ND ND ND
1978-79 NA NA NA NA NA
Aroclor 1248
1976-77 0.15 51.90 0.64 465.29 38.7
1978-79 0.14 66.91 0.73 348.46 41.7
Aroclor 1254
1976-77 0.47 16.40 4.04 278.25 84.0
1978-79 0.46 22.05 4.66 114.85 98.1
Aroclor 1260
1976-77 0.87 70.60 7.99 738.61 91.5
1978-79 0.84 92.77 8.79 483.17 98.1
Toxaphene
1976-77 0.35 12.70 1.91 410.68 58.5
1978-79 0.32 18.70 1.91 162.61 61.1
a-BHC
1976-77 0.02 0.30 0.26 7.33 89.6
1978-79 <0.01 0.04 0.05 2.00 53.7
-y-BHC
1976-77 0.01 0.28 0.05 9.33 31.1
1978-79 <0.01 0.02 0.01 0.56 8.3
HCB
1976-77 0.09 0.70 0.09 6.42 45.3
1978-79 0.03 0.13 0.03 1.69 21.3
Dacthal
1976-77 NA NA NA NA NA
1978-79 0.01 1.22 0.05 18.77 34.3
Dieldrin
1976-77 0.06 5.01 0.50 185.63 93.4
1978-79 0.05 3.72 0.40 41.34 80.1
Endrin
1976-77 0.01 0.40 0.10 4.67 47.2
1978-79 <0.01 0.11 0.03 0.82 32.4
Heptachlor
1976-77 0.01 0.78 0.01 8.48 52.8
1978-79 0.02 1.17 0.02 14.12 54.6