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Mr. Mike Infurna <br /> Page two <br /> 7 polynuclear aromatic compounds which were detected at levels <br /> ranging from 0. 50 to 2 . 6 ug/kg (ppb) from the southern most well, <br /> MW2-1, and 60 mg/kg as Total Recoverable Petroleum Hydrocarbons <br /> (TRPH) from MW3-1, the northern most well. It should be noted that <br /> the analysis of MW3-1 for Oil and Grease (418. 1) , which is <br /> essentially equivalent to the TRPH analysis by 5520B, was below <br /> method detection limits (50 mg/kg) . <br /> Water sample analyses from each of the three wells on the Souza <br /> parcel indicated all analytes were below method detection limits, <br /> including polynuclear aromatic compounds, with the exception of <br /> background levels of lead. <br /> Based upon the sampling results we are proposing no further action <br /> at the Souza parcel and the abandonment of the three wells. We <br /> seek your concurrence in this course. <br /> The Souza parcel is currently in the permitting stage for <br /> development and we anticipate that your office will be asked to <br /> comment. It is our position that the investigation has confirmed <br /> that no significant environmental hazards are associated with the <br /> property and that no restrictions on development are warranted. <br /> . Additionally, the water level data indicate the site is up-gradient <br /> of the contamination along Byron Road associated with the petroleum <br /> product pipeline. We request your position with regard to any <br /> conditions or further requirements which the County would impose or <br /> recommend. <br /> We appreciate your assistance in this matter. If we can provide <br /> any additional information please contact me at your earliest <br /> convenience. <br /> Respectfully, <br /> Mir�1� Creek Asspciates, <br /> IL <br /> Russell W. Juncal <br /> CA Registered Geologist no. 3864 <br /> cc: P. Riddle <br /> enc. <br /> RWJ/lkk <br /> • <br />