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�Pu vF� I r � n m N I �BQB • December 8, 2004-Shell issued a letter clarifying the terms of the access agreement in Iquestion. • April 19, 2005—Clayton met with Bruce Kimbrough,proprietor of the dairy onsite, to discuss the upcoming activities. • April 25-April 26,2005 —Clayton excavatedl3 test pits to verify the locations of the former pipelines. In addition, Clayton tapped both of the pipelines in two locations (Test IPits 2 and 3) to verify that they no longer contained liquid. • May 9-May 23, 2005—Clayton performed a screening level soil and groundwater I investigation along the alignment. • July 11-July27, 2005—Shell retained Robert Heeley Inc. to expose, clean, cut, and remove the two inactive pipelines. Following removal of the lines, the pipeline trench Iwas backfilled. •: July 13-July 18, 2005—Clayton performed an additional soil and groundwater I investigation to further delineate areas where impacted soil was detected along the former pipelines' alignment. • August 22-August 30, 2005—Further investigation of impacted areas that were I • inaccessible during pipeline removal activities was completed. 4.0 PRE-FIELD ACTIVITIES Prior to field activities at the site, written access agreements from Mr. and Mrs. Machado were obtained. Clayton obtained permits for the proposed drilling activities from the San Joaquin County Environmental Health Department (SJCEHD)prior to fieldwork. As a requirement of obtaining a drilling permit, Clayton provided the SJCEHD with a copy of the access agreement. Clayton contacted Underground Service Alert (USA) 48 hours prior to drilling activities,to report our proposed excavation and drilling schedules and request the location of publicly owned utilities to be marked in the vicinity of the test pits and boring locations. Clayton prepared a Site Health and Safety Plan(SHSP) to reflect the work proposed at the site which detailed the work preformed, safety precautions, chemical exposure concerns, emergency I response procedures, nearest hospital location, and onsite personnel responsible for managing an emergency situation. A tailgate safety meeting was held onsite prior to commencing the work and included all personnel involved in the subsurface investigation. The safety plan was kept onsite during field activities. 5.0 INITIAL TEST PITS Prior to subsurface delineation activities, Clayton excavated test across the pipeline alignment in • order to verify the location of the pipelines. Prior to excavating the test pits, the anticipated locations of the pipelines were staked out, using a projection of the pipeline alignment from the 2 8111:@910JHCISUW3W3759 Shell Mountain HausMeigh b,c,Melghb MNeigh B Repan\B vm ary repos doc