SITE INFORMATION AND CORRESPONDENCE

Home Browse Search

"I ri-I eC2ional Recommendations Paye la of?4 Appendix A 1-Ivdroraraphs and plots of chemical con- ce.mrations vel-Sus time. for each monitor Investigationsand characterization activities are int well that has had detectable levels of to be presented accurately in the PAR. and contaminants• should include the followinP minimum informa- tion: 4. An estimate of the quaititY-of.contanii nanis remaining in soil.and Proundwater. The depth and extent of free product found; including.an estimate of volume �. The anticipated date for completion of removed and volume remaining. cleanup activities. • Fieures delineating lateral and vertical ex- 6. An identification of any data paps and po- tent of soil contamination, 2.roundwater tential deficiencies/redundancies in the degradation plume(s), and vapor plume- monitoring system or reporting program. as appropriate. 7. A proposal and rationale for any neces- 'Tables sun,marizi112 analytical data such sal"\' revisions to the Pround\•vater sam- as compound concentrations found in soil piing plan and%or List of analvtes.. and 'ground\nater. And sample.depth. An evaluation of the physical and chemi- 4.0 CORRECTIVE ACTION PLAN (CAP) cal characteristics Of the hazardous sub -ti272� stance or its-constituents- including its toxiclty;.perslstence and potential for ml- Once the lateral and vertical extent of soil and eration in \eater- soil. and air- i,_roundwater degradation is defined- the dis- h to proceed wit the CAP. The CAI' is Alt estimate of the. mass 01_con tam in ants separated into the Problem Assessment Report renrtmmg In.sod. and ground'yater. (PAR). the Feasibility Study_ (FS)- and the Final Remediation.Plan ;FRA). At every step of the Identification of applicable cleanup levels CAP. the lead regulatory,agency will review for affected.or threatened ground\nater submitted documentation. and direct the dis-. and surface \nater, and a rationale for se chat-ger to proceed with proposed.acaions< or letting these levels. modify these actions to meet regulatory compli- ance for.protection of water resources, health Note: Cleanup levels for leaking under- and safety. and sensitive ecological receptors ground storage.tanks sites are based on until the FRP is successl`u11y implemented and reg�ulmorV requirements as presented in . nci farther action is requifed at the site. Stale 1'1'o.4er Board Resnit,tivn 92 19, Pull cies and Prviced,+res.lor bmestigoti.on and 4.1 P-oblen Assessment Report.(PAR) Cleoni,p u»d Abeiiemem vf'Dischon-ges under Colijvrnia.lVoie Code Section The PA R summarizes the PIER and all addi 13304, and I.1'ate,-0110141-Comm/Plans tional investigations that characterize the site. c?1 •tlti' �•njttral ►'v11nr Rr�iian. including The PAR should include sufficient"detail on the "Polirr-tor l,nestiLativn a,id Cleanup of' nature and extent of•the coiitaniination to pro- C'n,raoun;nated.Sites. \:ide a basis for future decisions regarding sub- sequent cleanup alit) abatel�ient actions. The Cross secti6n.s'.based upon boreholes- discharg.er is to propose site specific cleanup monitoring wells. trenches. and support 20als. and identify- available remedial alterna- ing geological mappine logs. lives that haye a substantial likelihood to achieve cleanup goals and objecti�jes. A site map sho\yin� sensitive receptors