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. 1 should be modified as follows must be implemented prior to sampling the first well <br />' The site health and safety plan should be reviewed <br /> Well volume ' (h)(cf) [Equation 31 with specific emphasis placed on the protection <br /> program planned for the well sampling tasks <br />' Standard safe operating practices should be followed <br /> where such as minimizing contact with potential <br /> contaminants in both the vapor phase and liquid <br /> h = height of water column(feet) matrix through the use of respirators and disposable <br />' <br /> Cf = the conversion factor calculated clothing <br /> from Equation 2 <br /> When working around volatile organic contaminants <br /> The well volume is typically tripled to determine the <br /> volume to be purged 1 Avoid breathing constituents venting from <br /> the well <br /> 9.0 QUALITY ASSURANCE/ <br />' QUALITY CONTROL 2 Pre-survey the well head-space with an <br /> FID/PID prior to sampling <br /> There are no specific quality assurance(QA)activities <br /> which apply to the implementation of these 3 If monitoring results indicate organic <br />' procedures However, the following general QA constituents, sampling activities may be <br /> procedures apply conducted in Level C protection At a <br /> minimum,skin protection will be afforded by <br /> 1 All data must be documented on field data disposable protective clothing <br />' sheets or within site logbooks <br /> Physical hazards associated with well sampling <br /> 2 All instrumentation must be operated in <br /> a ] Lifting injuries associated with pump and <br /> accordance with operating instructions as <br /> supplied by the manufacturer, unless bailers retrieval, moving equipment <br /> otherwise specified in the work plan <br /> Equipment checkout and calibration 2 Use of pocket knives for cutting discharge <br />' activities must occur prior to hose <br /> sampling/operation and they must be <br /> documented 3 Heat/cold stress as a result of exposure to <br /> extreme temperatures and protective <br /> 3 The collection of rinsate blanks is clothing <br /> recommended to evaluate potential for cross <br /> contamination from the purging and/or 4 Slip,trip, fall conditions as a result of pump <br />' sampling equipment discharge <br /> 4 Trip blanks are required if analytical 5 Restricted mobility due to the wearing of <br /> parameters include VOAs protective clothing <br /> 10.0 DATA VALIDATION 6 Electrical shock associated with use of <br /> submersible pumps is possible Use a GFCI <br /> This section is not applicable to this SOP or a copper grounding stake to avoid thisproblem <br /> 11.0 HEALTH AND SAFETY 12,0 REFERENCES <br />' When working with potentially hazardous materials, Barcelona,M J,Helfrich, J A , Garske, E E , and J P <br /> follow U S EPA,OSHA or REAC health and safety Gibb, Spring 1984 "A Laboratory Evaluation of <br />' guidelines More specifically,depending upon the site Groundwater Sampling Mechanisms," Groundwater <br /> specific contaminants, various protective programs <br /> 13 <br />