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sF M 'M M 00.M. M Nzr lAtIOUTorty 1DR14TIFICATION NUMBF.-Ij!; Following rtcelpt of the I%AmPlr.,n and romplettlov, of the Chnin Of Cutitody form, the laboratory then assign'' their 0wjj Idantificntion numbers to the wimplep. Different laborntorlej, unt., different numbering nyntemtj rind, according to their own Internal convontionn, may or mny not Mirlign sirquential numbers to samples which are placed on temporary "hold", Pending 010 results of other tinntYsea. Laboratory identification numbers (if nsai�•nrcl included In the TABLE, ni4d will bO found on n0d 5vallablo) are by the tinrolytical laboratory. the cortmed hnnlYticni report CHUTIPIED ANALYTICAL nEpOjjT The certified analytical report (CAP) generated by the lzjhoratory it, the official documenE In which they issues their findings. The Rcaujtn of Analyses section of the TABLE OF SAMPLING LOCATIONS AND ANALYTICAL RESULTS should correspond oxactly with the laboratory's CAR. Any dincreptiney between analytical "1"06 should be decided in favor of the CAR, for while ity, recognized document until such "MO Its I-.ulnr number. tl�c CAR remains the Itself, be In error with regard to a Aftrtl Ma t Is amended with a corrected report. The certified analytical report should also be reviewed when t4hon from below waste all L*nks an a= detection of the EIIA samples are hAlogonated and Purgemble aromatic compounds may be grounds for recluiriniz further action. Also the TABLE OF SAMPLING LOCATIONS AND ANALYTICAL RESULTS In Insufficiently sPftc!Oui% to Allow anything more that a simple listing or the detected compounds. The TABLE does not Include such Information as the detection limits at which Other compounds were not detected. The It'll text of the laboratory report will be found in Section Four Of th"T report. GENERAL ADVISORY ON POSITIVE RESULTS rod Though our firm apecWizea in sampling, monitoring and d"u1nentation, rather than interpretation and remediation, we Ilave been asked by the engineering staff of the Regional water Quality Control Board to Include in our reports an advisory section outlining the general tYPe of additional actions which May be required when contamination is found. This advisory is not Intended to characterize conditions at this particular site or replace the services of a consulting firm specializing in the Investigation, characterization and I I remediation of such conditions as may exist, Rather, It Is Intended to advise you that such additional actions may be required even though i-onse time MY elapse before YOU are contacted by one of the interested regulatory agencies. In Region 2 (which Is regulated by the Son Francisco regional Water Quality Control Boardj the thresholds are readily defined In the Board's publication, Lotildollne. --document- _which has less than 100 parts per million tot-al Petroleum fuel Sampling Haport 88055-C-2 CHEVRON 1918 page 11 f