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ES-RR&IH-001 Stantec Soil Sampling SOP Page 2 of 11 Rev.2 Jun 2016 • Proper utility clearance must be performed in accordance with the Pre- Drilling/Excavation Checklist and Utility Clearance Log. There must be a minimum clearance of five (5) feet in addition to the diameter of the drilling augers. Client- specific requirements may be more restrictive. • Traffic control may be required depending on the proximity of soil sampling activities to the roadway. Traffic control plans should be carefully evaluated to adequately delineate the work zone and provide the necessary safety factors. • Personal protective equipment (PPE) including hard hats, high visibility traffic vest, gloves, hip boots or chest waders and other appropriate clothing; • Heat and cold stress; • Biological hazards such as insects and spiders. Appropriate clothing is required such as long-sleeved shirts and long pants. • Bloodborne pathogens. Some of our sites may have syringes and other drug paraphernalia that must be carefully avoided. • Chemical exposure on sites with open contamination. Respiratory protection may be necessary. Proper selection of respiratory protection is essential and an understanding of its limitation (i.e., negative pressure respiratory protection does not supply oxygen in an oxygen-deficient atmosphere). Staff should familiarize themselves with exposure limits for contaminants of concern. • Use of air monitoring instrumentation will likely be necessary. We must be careful to make sure that our instrumentation is appropriate for the airborne contaminants of interest and that our staff understands the limitations of the instrumentation. Staff must also understand and perform calibration including zeroing with zero gas cylinders and appropriate other calibration gases. • Decontamination of equipment and personnel must be properly designed and constructed to be sure that contamination is kept within the boundaries of the exclusion zone; • Noise and proper use of hearing protection devices such as ear plugs and muffs. • Emergency action plan must be carefully coordinated in advance between Stantec, our subcontractors, the client, and emergency responders. All of these risks and others must be discussed with our subcontractors and clients to be sure they are properly addressed. Once the issues have been addressed at a project management level, they must be communicated to the staff that will actually perform the work. Details of procedures, instrument measurements and calibration, and other activities must be recorded in the field log and/or on data collection forms. 4.0 QUALITY ASSURANCE PLANNING CONSIDERATIONS Soil sampling shall be done by personnel familiar with the common sources of random and systematic error so appropriate decisions can be made in the field. Some of the THIS INFORMATION FOR AUTHORIZED COMPANY USE ONLY STANTEC CONSULTING