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TABLE E-1 SUMMARY OF QUALIFIED DATA MOUNTAIN HOUSE SITE#6 Mountain House California SDG/ Result Lancaster (mg/kg,%,or Reason Field Sample ID Report Number Lab Sample ID Sample Purpose Matrix Parameter µg2) MDL LOQ Qualifier Code Reason for Qualification S13-21-S-7.5-080327 Dibenz(a,h)anthracene 0.019 0.0067 0.017 E GO1 Surrogate recovery was above the upper control limit (cont.) Benzo(g,h,i)perylene 0.028 0.0067 0.017 E GO1 Surrogate recovery was above the upper control limit Benzo(k)fluoranthene 0.011 0.0067 0.017 J N04 Result is between the MDL and LOQ S13-21-S-17-080327 1084091 5318604 Field Sample Soil Dibenz(a,h)anthracene 0.008 0.0067 0.017 J N04 Result is between the MDL and LOQ Benzo(g,h,i)perylene 0.011 0.0067 0.017 J N04 Result is between the MDL and LOQ Acenaphthylene ND 0.07 0.07 E V03 Loss of resolution was observed Benzo(k)fluoranthene 0.056 0.033 0.083 J N04 Result is between the MDL and LOQ Dibenz(a,h)anthracene 0.042 0.033 0.083 J N04 Result is between the MDL and LOQ Benzo(g,h,i)perylene 0.075 0.033 0.083 J N04 Result is between the MDL and LOQ Acenaphthylene ND 0.21 0.21 E V03 Loss of resolution was observed Total TPH 24000 800 2400 E GO1 Surrogate recovery was above the upper control limit C10-06 24000 800 2400 E GO1 Surrogate recovery was above the upper control limit Naphthalene 0.73 0.033 0.083 E GO1 Surrogate recovery was above the upper control limit Acenaphthene 1 0.033 0.083 E GO1 Surrogate recovery was above the upper control limit SB-22-S-4.5-080327 1084091 5318606 Field Sample Soil Fluorene 5.1 0.033 0.083 E GO1 Surrogate recovery was above the upper control limit Fluoranthene 0.46 0.033 0.083 E GO1 Surrogate recovery was above the upper control limit Pyrene 1.2 0.033 0.083 E GO1 Surrogate recovery was above the upper control limit Benzo(a)anthracene 0.033 0.083 E GO1 Surrogate recovery was above the upper control limit Chrysene 1.2 0.017 0.083 E G01 Surrogate recovery was above the upper control limit Benzo(b)Fluoranthene 0.45 0.033 0.083 E GO1 Surrogate recovery was above the upper control limit Benzo(k)Fluoranthene 0.056 0.033 0.083 E GO1 Surrogate recovery was above the upper control limit Benzo(a)pyrene 0.29 0.033 0.083 E GO1 Surrogate recovery was above the upper control limit Dibenz(a,h)anthracene 0.042 0.033 0.083 E GO1 Surrogate recovery was above the upper control limit Benzo(g,h,i)perylene 0.075 0.033 0.083 E GO1 Surrogate recovery was above the upper control limit Naphthalene 0.0015 0.00067 0.0017 J N04 Result is between the MDL and LOQ Acenaphthylene 0.00086 0.00067 0.0017 J N04 Result is between the MDL and LOQ S13-22-S-6.5-080327 1084091 5318607 Field Sample Soil Acenaphthene 0.00069 0.00067 1 0.0017 J N04 Result is between the MDL and LOQ Benzo(a)pyrene 0.0016 0.00067 0.0017 J N04 Result is between the MDL and LOQ Acenaphthylene ND 0.031 0.031 E V03 Loss of resolution was observed S13-22-S-18-080327 1084091 5318608 Field Sample Soil Dibenz(a,h)anthracene 0.009 0.0067 0.017 J N04 Result is between the MDL and LOQ Benzo(g,h,i)perylene 0.012 0.0067 0.017 J N04 Result is between the MDL and LOQ Phenanthrene 0.0007 0.00067 0.0017 J N04 Result is between the MDL and LOQ S13-23-S-4-080327 1084091 5318611 Field Sample Soil Fluoranthene 0.0007 0.00067 0.0017 J N04 Result is between the MDL and LOQ Benzo(b)Fluoranthene 0.00074 0.00067 0.0017 J N04 Result is between the MDL and LOQ SB-23-S-5.5-080327 1084091 5318612 Field Sample Soil Total TPH 6.1 4 12 J N04 Result is between the MDL and LOQ C10-06 6.1 4 12 J N04 Result is between the MDL and LOQ S13-23-S-8-080327 1084091 5318613 Field Sample Soil Fluorene 0.00069 0.00067 0.0017 J N04 Result is between the MDL and LOQ acenaphthylene 0.0012 0.00067 0.0017 J N04 Result is between the MDL and LOQ SB-23-S-18-080328 1084091 5318614 Field Sample Soil Benzo(k)fluoranthene 0.0015 0.00067 0.0017 J N04 Result is between the MDL and LOQ Indeno(1,2,3-cd)pyrene 0.00091 0.00067 0.0017 J N04 Result is between the MDL and LOQ Benzo(g,h,i)perylene 0.001 0.00067 0.0017 J N04 Result is between the MDL and LOQ Page 4 of 10 From5cfencerasofu!lnns