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s=Vtug Metes _ N&e 2 <br /> 1 Drill rig augers drill rods, and drill bris will be steam-cleaned prior to use and betwecu <br /> borings Visible soil, grease, and other impurities will be rgrnoved <br /> 2 Soil sampling equipiwent will be steam-cleaned prior to use and between each boring <br /> Prior to individual sample collection, any sanTling devise will also be cleaned in a TSP <br /> solution and rinsed twice in clean water Any visible sod residue will be removed <br /> 3 It u anticipated that disposable egtupment will be used to collect Rater samples If <br /> disposable equipment a not used, water sarnp1mg egwpmrat will be decontaminated <br /> using methods described in item 2 above for sot] sarnplmg equipment <br /> 4 Water satripluig containers will be cleaned and prepared by the respectve analytical <br /> ,laboratories <br /> 5 St,3triless steel or brass soli sampling tubes wi l be steam-cleaned or u ashed in TSP <br /> solution and rin3ed wit_a clean water <br /> 6 Field maitornng equmment (pH, conductivity, or tzinperarirc probes) will be rinsed <br /> with clean water pror to use and between samples <br /> C FIELD%fEASLrRENfE\TS <br /> Field data w ill be collected during varous sampling and monitoring activities, this sect or- describes <br /> routine procedures to be followed by personnel performing Field rneasarenwnts T%e rret.iods presented <br /> below we intended to ensure that meld measuremems are comistert and rep�cduc,ol= whe i performed by <br /> various personnel <br /> C 1 Burred Utility Locations <br /> Prior to cornrnencement of work on s to Doulos will contact aporopriate utility corrnp-Mes m have <br /> underground utility lilies located Doulos will also visually sun-ey the site to est.rnarz- tl=e locations of <br /> potentially unmarked undergroLnd unliries All work associated with tbe borings w-i I to preceded by <br /> hand angering to a rrum nurrn depth of 5 fee below grade to avoid damag-nG urderg-ou^nd utilities <br /> C 2 Lithologic Logging <br /> A log of soil conditions enoountered during the dulling and satrple collecLon IN ill be r&niained using the <br /> Unified Soil Classirication System by a Doulos geologist A California rc+,�stered geolegist will review <br /> ail boring,logs <br /> The collected soil samples will be examined and the following information recorded boring location, <br /> sample interval and depth, blow counts, color, soil type, moisture canieni(qualitat,Ne) and depth at <br /> which ground watrr(if present) is firs-' encountered Also recorded on the soil boring logs wilt be the <br /> field screrning results denved from the use of a portable PID or FID <br /> C 3 Disposal Procedures <br /> Soils and fluids that are produced andjor used during the :nsuUtion and sampling of bongs, and that are <br /> known or suspected to contain potentially hazardous materials, will be Contained during the above <br /> operations These substances will be retained an site until chemical testing has been cornpleted to <br /> determine the proper means of disposal Handling and disposal of substances known or suspected to <br /> contain potentially bazardous trateria.ls wi:l corriply with the applicable regulations of DHS, the Cahforsiia <br /> Department of Water Resources, and airy other applicable regulations Soils and fhuds produced andlor <br />