Free Declaration - District Court of Delaware - Delaware

Case 1:88-cv-00263-SLR

Document 318-3

Filed 10/12/2005

Page 1 of 2

Exhibit B: Average values of primary physical-chemical and biological variables by station over the study period. % mean PAH/TOC mean sed sedC2sedC3ratios PAHs Fluor/Pyr Fluor/Pyr Station sand mean%TOC DR1 46.1 6.06 1.09 6.25 293.6 275.6 DR2 79.7 4.01 0.56 2.31 119.4 94.3 27.1 2.30 0.91 2.10 49.0 17.5 DR10 DR9B 55.4 1.82 1.40 2.52 79.0 37.5 DR45 25.0 3.64 1.03 3.70 133.9 81.2 24.1 3.95 1.03 4.03 151.9 111.2 DR26 DR23 29.3 3.13 0.74 2.32 78.4 48.7 DR56* 35.0 3.42 3.08 10.19 372.0 261.1 72.4 1.07 2.17 2.30 74.5 43.0 DR51 DR52 38.2 3.62 1.68 6.06 227.3 164.3 DR53* 32.4 3.86 3.20 12.14 505.5 400.8 DR55* 41.7 2.86 2.57 7.35 242.2 150.5 DR67* 34.5 4.21 4.40 17.50 739.5 470.9 DR68* 26.3 4.18 3.62 12.90 494.0 347.2 DR83* 17.0 4.59 2.82 13.01 488.5 302.4 mean ERM 4997 Lepto %surv 76 88 83 84 90 84 79 70 79 81 33 82 40 66 61 Lepto #offspring 1.49 2.34 1.87 2.75 2.52 3.11 2.98 1.08 2.76 1.42 0.41 1.24 0.72 0.85 1.02

Station DR1 DR2 DR10 DR9B DR45 DR26 DR23 DR56* DR51 DR52 DR53* DR55* DR67* DR68* DR83*

5128

6209 3752 8010 6073 6370

Hyal %surv 94.5 94.8 93.3 94.5 94.3 94.5 95.8 87.8 89.3 93.8 79.8 84.0 71.3 87.0 82.8

Hyal %gravid 85.7 89.3 85.4 90.0 85.1 89.1 89.2 84.0 82.9 80.6 81.6 79.8 79.9 81.9 78.0

Case 1:88-cv-00263-SLR

Document 318-3

Filed 10/12/2005

Page 2 of 2

Regression analyses
mean sed PAHs by: mean sed PAHs by: SedC3-Fluor/Pyr by: PAH/TOC ratios by % sand R2= 0.181 Hyal %surv R2= -0.771** Hyal %surv R2= -0.641** sedC2-Fluor/Pyr R2= 0.770** mean%TOC R2= 0.225 Hyal %gravid R2= -0.556** Hyal %gravid R2= -0.489** sedC3-Fluor/Pyr R2= 0.680** mean PAH/TOC ratios R2= 0.835** Lepto %surv Lepto #offspring R2= -0.734** R2= -0.734** Lepto %surv Lepto #offspring R2= -0.760** R2= -0.735**

R2 = coefficient of determination or relationship between 2 variables. Note the relatively high R2 values when the relationships are statistically significant (P < 0.05) * depositional areas ** significant (P < 0.05) ERM=Effects Range Median sedC2-Fluor/Pyr= C2-Fluoranthenes/Pyrenes sedC3-Fluor/Pyr= C3-Fluoranthenes/Pyrenes Hyal=Hyalella Lepto = Leptocheirus surv=survival