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z <br /> Covenant Page 2 of 2, <br /> �- Environmental <br /> RECOtItIMATI0N5 TO CLIENT COZAD TRAILERS <br /> 1. The initial preliminary site appraisal showed no evidence of overt <br /> soil contamination, excessive waste storage nor improper disposal <br /> 'Housekeeping' and Work Area Planning show training <br /> activity. . Good <br /> and concern by COZAD personnel. <br /> 2. The removal of the underground tanks became a matter of consternation <br /> initially because there was not an Environmental Assessor to explain <br /> the analytical results and liaison with the regulatory agency. The <br /> initial laboratory was of no help by reporting units in parts per <br /> billion rather than parts per million; This at first glance, called <br /> for some extreme remediation activities. In reality, and in sum, <br /> LESS THAN TEN CUBIC YARDS OF SOIL WAS CONTAMINATED AND AT NO TIME <br /> DID IT EXCEED 200 mg/kg. All indications point to a possible tank <br /> overfill at sometime and not a leaking UFT. <br /> 3. The three underground tanks have been removed and disposed according <br /> to TriValley Water Quality and Department of Health Service mandates. <br /> The comparatively minimal contaminated soil was aerated according to <br /> Article 11 of the State Air Quality Board's Chapter 40. <br /> The soil was sampled, analyzed (EPA SWB461 and reviewed by California <br /> ry. In short, the soil is <br /> Department of Health Certified Laborato <br /> as 'clean' as can be expected and can be relocated anywhere on the <br /> property. <br /> This note concludes a preliminary site appraisal, assessment, and <br /> I€ I can be of further assistance or <br /> DPT remediation operation. <br /> - provide any necessary information, Please contact me. <br /> crrt��OMdrA'r <br /> WR <br /> Sincerely, <br /> a005.ri$ ¢ Reve:r <br /> i.E'CER'-� <br /> No. ,10_AL�£NDiNGER, R.G. <br /> Craig Wright.-...-- 4_/31 u. <br /> oA CAE t GZ A- P.Lh`.L.ti �LI <br /> 5olano Couni <br /> _ u' �7 P.O.Sox 56 <br /> EI Dorado County a Fairfield.CA 9453 <br /> P.O.Box 1986 T 9 j Cj�' (70T)429.892 <br /> Lotus,CA 96051 F�fi CAL <br /> (916) <br /> AL(916)626.0918 <br />