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�MrAWuAR <br /> ir�n►�7 <br /> Working to Restore Nature <br /> FIELD PROCEDURES <br /> Site afet Plan <br /> This plan describes the safety requirements for field work performed at the site. The site <br /> safety plan is applicable to personnel of RESNA Industries who perform the field work A <br /> copy of the site safety plan is available for reference sSite Safety <br /> by appr parties <br /> during <br /> the work <br /> The onsite representative of RESNA Industries <br /> Groundwater jgMpling <br /> a <br /> The static water level in each well was measured to the nearest 0 01 foot with a Solinst <br /> electric water-level sounder cleaned with a lgradesampleterge fromand <br /> the surface a the <br /> before use in each well A clean bailer was used to obtain a <br /> water in the well for subjective analysis of hydrocarbons ri The sample was retrieved and <br /> examined for floating product, sheen, color, andclarity <br /> Approximately 3 well volumes (approximately 50 gallons) were purged from each well with <br /> a stainless-steel electrical submersible pump to allow sampling of representative formation <br /> water The pump, cables, and hoses were cleaned with a laboratory-grade detergent and <br /> water before use in each well The wells were purged until pH, temperature, and electrical <br /> 0 4D conductivity of the water stabilized, as measured by portable meters calibrated to a standard <br /> buffer and conductivity standard. The water he formahonowed to recover to at least 80 <br /> water then was collected from <br /> percent of the initial water level. A sample of <br /> the surface of the water in each of the wells with the Teflon bailer and slowly transferred <br /> to laboratory-cleaned sample containers The recovered fluids from sampling in each well <br /> 0 were directed into type 17-E, steel, 55-gallon liquid waste drums approved for this use by <br /> the Department of Transportation <br /> Hydrochloric acid (or other appropriate chemical) was added to the sample vials as a <br /> preservative. A sample of the formation wacscollected <br /> and s slowly transferred #a <br /> m the surface of the <br /> r water in each of the wells with disposable ean Teflon bailer <br /> laboratory-cleaned sample containers. <br /> Sample Labelin and Handlin <br /> 9 Water samples were preserved in laboratory-cleaned, 40-milliliter glass vials that contained <br /> concentrated hydrochloric acid as a preservative The water samples were sealed with <br /> Teflon-lined lids to eliminate air bubbles The sample <br /> and depth, and dacontainers were te, ed in the field <br /> and promptly <br /> with the site identification, monitoring well number <br /> placed in iced storage for transport to the laboratory The technician or geologist initiated <br /> 03241goVI23020.1 <br /> • <br />