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COMFORT AIR Page 1 of 2 <br /> Path to Closure Plan a EOTR K R MOMEI Msunc PRa cr3 EPo s ARC D�G� <br /> OPEN-REMEDIAT <br /> COMFORT AIR(T0607700252)-MAP THIS SIT <br /> CL NUP OVERSIGHT AGENCIES <br /> 1607 TU RNP!KE RD <br /> ACTIVITIES REPORT SAN JOAOUINCO,VICKIP(LEAD)-CAS SuPE56 <br /> STOCKTON,CA 95206 CASEWORItER VIGNIAI aRTNPY-SUPERMSOR:ADRIENNE ELLSAESSER <br /> STOCKTO UIN COUNTY PUBLIC WEEPAGE CENTRALVALLEY RW]CB(REGION 55)-CASEk390338 <br /> CASENIDRI(ER:JAMES BARTON-SUPERMSOR CORI CONDON <br /> VlEWIPRINTABLE MARY FORTHIS SITE CUFCkim0:15533 CUFPrlaft Aesleaed:B QUI Amoum Peltl:.¢"Im"3 <br /> THIS OJECTIN LASTMOOIFIED BY w lIII IYON 11/3I2D1310:55:01AM-HISTORY <br /> THIS SITE HAS UNAPPRO DSUBMITTALS.CUCKUM TO OPEN A FEWININDOWWI I"INE SUBMITTALAPPROVAL PAGE FOR THIS SITE. <br /> Path to Closure Plan-FY 12173 THIS VERSION/S flNAL AS OF 12/32013 PA'IHTD CLOSURE HISTORY EARI ETTHLOSUREPLAN <br /> IMPEDIME <br /> Crtteria F:Secondary source ha NOT been removed to the extent practicable [7 Procedural Impediment-INFO <br /> General <br /> Step to Resolve lmtllme <br /> pent I-Step 1:- S I COMPLETION DATE <br /> Implement operation of [he tlual-phase ex action remediation system. P OJEL DIDATE ACTUAL <br /> ra <br /> ..630.2014... <br /> Step to Resolve Impediment l-Step 2:-DELETES P COMPLETION DAIS <br /> r77r�7 <br /> P OJECTEO GATE F— —1 <br /> 1213012015. . I._-- - -_I_J <br /> Step to Resolve Impediment 1.Step 3:-D ETESI P COMPLETION DATE <br /> Check for rebound and submit the report f findings. W TEDDATE <br /> A-TVAL PATE <br /> 1 <br /> 63012016 __ _� <br /> ADD ADDITIONAL STEP <br /> IMPEDIMENT 2: <br /> Media Pacific Criteria,Groundwater:T e contaminant plume that exceeds water quality Objectives is rl Procedural Impediment INFO <br /> NOT stable or decreasing in areal exwnl and does NOT meet all of the additional characteristics of one of <br /> the five classes of sites. <br /> Conditions that do not meet the policy C riteria; <br /> e Plume Length(That Exceeds Water C uality Objectives):2100 Feet and<260 Feet <br /> • Benzene Concentration:L 3,000 p9/I <br /> • Nearest Supply Well(From Plume B ndary):>260 Feet and 51,000 Feet <br /> Step to Resolve Impediment 2.Stan 1:-MUM S LE I COMPLETION DATE <br /> Install antl implement operation of the al-phase extraction remediation system. <br /> P EC DATE ACTUAL GATE <br /> x-63-0.120'14 <br /> Step to Resolve Impediment 2-a"2:-DELETE EP COMPLETION DALE <br /> complete cemetlral action I 'EC DATE ACTUAL DATE <br /> .12/302015 �- <br /> - ADD ADDITIONAL STEP <br /> IMPEDIMENT 3: <br /> Me is S Still Criteria:P trot um Va I r Intrusion to Indoor Air:The site Is NOT considered lowdhreat for ❑ Procedural Impediment-I� <br /> the vapor-intrusion-toalr pathway and ultiHspecific conditions do NOT satisfy Nems 2a,2b,or 2c. <br /> Conditions that do not meet the policy riteria: <br /> is Soil Gas Samples:No Soil Gas Sam les <br /> • Exposure Type:Commercial <br /> • TPH in the Bloattenuation Zone:21 10 mglkg <br /> • Bloattenuation Zone Thickness:Unl mown <br /> • 02 Data In Bloattenuation Zone:No D,Data <br /> • Benzene in Groundwater:>_1,000 P I <br /> • Soil Gas Benzene:Unknown <br /> • Soil Gas EthylBenzene:Unknown <br /> • SoH Gas Naphthalene:Unknown <br /> Step to Resolve Impetl nems,3-Step 1:- IMF COMPLETION ACTUAL DATE <br /> DATE <br /> Prepare a work plan to acquire suffici at data to evaluate the vapor intrusion risk and hazactl. <br /> OJ ODA <br /> � W362014 �. <br /> Step to Resolve Impediment 3-Step 2: COMPLETION DATE <br /> r�a <br /> luate and Issue a re [C of fintlings. PROJELTED DALE I—ACTUAL GATE <br /> ADO ADDITIONAL STEP <br /> https://geotracker.waterbo ds.ca.gov/regulators/screens/closure_policy.asp?global_id=TO... 12/3/2013 <br />