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Table 5-1 - Groundwater Preliminary Cleanup Levels <br />Project No. 190583, K-C Worldwide Site Upland Area, Everett, Washington <br />Surface Water, <br />Aquatic Life - <br />Predicted <br />Protective <br />Concentrations <br />(IM #23) <br />(ma-wac)(ma-cwa 304a)(draft IM23)(hh-cwa 304a)(hh-wac)(hh-cwa 303c)(sw-b)(hh)(pot)(vi-c)(pql) <br />Potable <br />Groundwater <br />Screening <br />Levelc <br />Aquatic Protection <br />Groundwater <br />Preliminary Cleanup <br />Level and Basis <br />Surface Water <br />ARAR - Human <br />Health - Ch. 173- <br />201A WAC <br />APPLICABLE GROUNDWATER CRITERIA <br />Marine Surface Water Criteria for Establishing Method B Surface Water Cleanup Levelsa <br />Groundwater <br />Screening <br />Level <br />Protective of <br />Vapor <br />Intrusion for <br />Industrial Use <br />(Method C)a <br />Surface Water <br />ARAR - Aquatic <br />Life - Ch. 173- <br />201A WAC <br />Surface Water <br />ARAR - Aquatic <br />Life - National <br />Recommended <br />WQ Criteria <br />(CWA 304a) <br />Applicable <br />Practical <br />Quantitation <br />Level (PQL)d <br />ANALYTE (BY GROUP) <br />Human Health Protection <br />(marine) <br />Surface Water Screening <br />Level for Marine <br />Protection <br />Surface Water, <br />Method B Human <br />Health, Most <br />Restrictive, <br />Standard <br />Formula <br />Surface Water, <br />Method B Human <br />Health, Most <br />Restrictive, <br />Adjusted for <br />ARARsb <br />Surface Water <br />ARAR - Human <br />Health - National <br />Recommended <br />WQ Criteria <br />(CWA 304a) <br />Surface Water <br />ARAR - Human <br />Health - 40 CFR <br />131.45 <br />(CWA 303c) <br />Polycyclic Aromatic Hydrocarbons (PAHs) <br />Acenaphthene in ug/L 90 110 30 640 30 30 (hh)0.012 30 (marine) <br />Acenaphthylene in ug/L 90 110 30 640 30 30 (hh)0.012 30 (marine) <br />Anthracene in ug/L 400 4600 100 26000 100 100 (hh)0.012 100 (marine) <br />Benzo(g,h,i)perylene in ug/L 30 460 8 2600 8 8 (hh)0.012 8 (marine) <br />Fluoranthene in ug/L 20 16 6 90 6 6 (hh)0.012 6 (marine) <br />Fluorene in ug/L 70 610 10 3500 10 10 (hh)0.012 10 (marine) <br />Phenanthrene in ug/L 400 4600 100 26000 100 100 (hh)0.012 100 (marine) <br />Pyrene in ug/L 30 460 8 2600 8 8 (hh)0.012 8 (marine) <br />1-Methylnaphthalene in ug/L 1.5 0.05 1.5 (pot) <br />2-Methylnaphthalene in ug/L 32 0.05 32 (pot) <br />Naphthalene in ug/L 4900 4900 4900 (hh)89 0.012 89 (vi-c) <br />Benz(a)anthracene in ug/L 0.01 <br />Benzo(a)pyrene in ug/L 0.01 <br />Benzo(b)fluoranthene in ug/L 0.01 <br />Benzo(k)fluoranthene in ug/L 0.01 <br />Chrysene in ug/L 0.01 <br />Dibenzo(a,h)anthracene in ug/L 0.01 <br />Indeno(1,2,3-cd)pyrene in ug/L 0.01 <br />Total cPAHs TEQ in ug/L 0.00013 0.0021 0.000016 0.035 0.000016 0.000016 (hh)0.015 0.015 (pql) <br />Other Semivolatile Organics <br />2,4,6-Trichlorophenol in ug/L 2.8 0.28 3.9 0.28 0.28 (hh)0.5 0.5 (pql) <br />2,4-Dimethylphenol in ug/L 3000 97 550 97 97 (hh)0.5 97 (marine) <br />3 & 4 Methylphenol 400 1 400 (pot) <br />Benzoic acid in ug/L 64000 2.5 64000 (pot) <br />Benzyl alcohol in ug/L 800 0.5 800 (pot) <br />Benzyl butyl phthalate in ug/L 0.1 0.58 0.013 8.2 0.013 0.013 (hh)0.5 0.5 (pql) <br />Bis(2-ethylhexyl) phthalate in ug/L 0.37 0.25 0.046 3.6 0.046 0.046 (hh)0.8 0.8 (pql) <br />Carbazole in ug/L 0.5 <br />Dibenzofuran in ug/L 16 0.05 16 (pot) <br />Diethyl phthalate in ug/L 600 5000 200 28000 200 200 (hh)0.5 200 (marine) <br />Dimethyl phthalate in ug/L 2000 130000 600 600 600 (hh)0.5 600 (marine) <br />Di-n-butyl phthalate in ug/L 30 510 8 2900 8 8 (hh)0.5 8 (marine) <br />Pentachlorophenol in ug/L 7.9 7.9 0.04 0.1 0.002 1.5 0.002 0.002 (hh)0.5 0.5 (pql) <br />Phenol in ug/L 300000 200000 70000 560000 70000 70000 (hh)0.5 70000 (marine) <br />Aspect Consulting <br />6/22/2021 <br />P:\121\049\T\reference docs\Tables 5-1 thru 5-4 - Prelim CULs <br />Table 5-1 <br />K-C Upland Area RI/FS <br />Page 2 of 3