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III. Soil Remediation Information <br /> Soil remediation method(s) 5 o v rt r E REMO V A L 5`( E x cqy A-Ti 0 t4 <br /> Volume treated and/or removed :F 8 G V 6I C Y ARDS ay A E R AT I ON <br /> Contaminated soil disposal site NONE / R E - V S E D TREATED S O I L AS R AC R FILL(7) <br /> If contamumnon is remauung, describe concentration range and volume (cubic yards or meters) <br /> LCESS THAN 20 cv13It YARDS Q APPROX EO fPM TpH- A5- CrASOL%WS <br />' Table III - Mw=um documented contanimant concentrations in sod before and after cleanup <br /> Contaminant Method Before After Depth Contaminant Method Before After Depth <br /> I used (trig/kg) (mgikg) (Ft) used (mg/kg) (mg/kg) (ft) <br /> TPH (Gas) g O IS 2.000 4.4 14119.5 Benzene sola oi)<O.5 Nolo 01 1*} Z9.5 <br />' TPH (Diesel) 8015 ND<SO NA 14 Toluene 5070 I, l µti(o of 14 29 5 <br /> Other fuel N A NA Ethylbenzene g 02 p } 9 1t40<0 01 IL1129.51 <br />' Heavy metals LEAD ND(S N A 14 Xylene g 020 I 14 0 HD(o Oz <br /> Other Other_ <br /> W. Groundwater Remediation Information . <br /> Groundwater remediation method(s) N A r v R a>, ATTENUATI O N f l3 t O D E G R A D A T I O N <br /> Volume treated and/or removed No N 1_ <br /> If contamination is remaining, descnbe concentration range and volume (gallons or liters) <br /> 0.200— 0.2SO -:11L TPR- AS- GASOLINE, O 0029 0-%91L i3En42En4E / VOLVME vNKwowN <br /> Table IV - Maximum documented contnminaut concentrations ua groundwater before and alter cleanup <br />' Cflntnminnnt i Method Before After Depth Contaminant Method BeforeAfter Depth <br /> used (tng1l) (mg/1) (ft) used (mgll) (trig/l) (ft) <br /> TPH (Gas) Bois 10 4,40 0.2 S O 1 —35 Benzene 1 80,40 0 003- 10 00-L9 k^ 35 <br /> fTPH (Diesel) N A r4 A Toluene 8020 0 00086 No(0 COI - 3S <br /> Other fuel N A NA Ethylbc=ne $ OZ 0 10 001( la 0018 - 35 1 <br />' Heavy metals LEAD 1 . 0 NA 41 Xylene 8020 0 0011 00096 - 3 5 <br /> Other { Other MTB E 8020 ND(0 01 NA ^' 35 <br /> V. Closure <br /> Does Regional Board concur with closure) Yes No <br /> Rationale for closure <br /> Location of reports on file (Agency/Room) <br /> County Staff person Phone <br /> Regional Board office Staff person Phone <br />' SBR C7tetlnt wp l0 sepu®ber 1993- ��' <br />