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LJsess Analyze Act B STEPS ZPOTENTIAL HAZARDS 3CRITICAL ACTIONS 3. Advancement of drilling 3c. FALL: 3c. Contain drill cuttings and drilling water to prevent fall hazards from equipment and well installation Slip/trip/fall hazards. developing in the work area. (Continued) 3c. See 1b. 3d. CAUGHT: 3d. Ensure all Emergency Safety Stop buttons function properly. Limb/extremity pinching; 3d. Always wear leather gloves when making connections and using hand abrasion/crushing. tools;wear cut-resistant(i.e., Kevlar)gloves when handling cutting tools. 3d. Inspect the equipment prior to use for potential pinch/amputation points. Keep hands away from pinch/amputation points,and the use of tools is preferable compared to fingers and hands. 3d. Inspect the drill head for worn surface or missing teeth; replace it if damaged or blunt. 3d. Ensure all jewelry is removed,loose clothing is secured,and PPE is correctly fitted and secured close to the body. 3d. All non-essential personnel should stay away from the immediate work area;position the body out of the line-of-fire of equipment. 3d. Drillers and helpers will understand and use the"Show Me Your Hands" Policy. 3d. Spinning rods/casing have an exclusion zone of 24 inches while in operation. 3e. CONTACT: 3e. Drillers will advance the borehole with caution to avoid causing the rig to Equipment imbalance become imbalanced and/or tip. during the advancement 3e. The blocking and leveling devices used to secure the rig will be inspected of drill equipment. by drillers and Roux personnel regularly to see if shifting has occurred. 3e. In addition,personnel and equipment that are non-essential to the advancement of the borehole will be positioned away from the rig at a distance that is at least as far as the boom is high(minimum exclusion zone). 3f. EXPOSURE: 3f. Monitor ambient air for dangerous conditions using a calibrated Inhalation of photoionization detector(PID)to monitor the breathing zone of the work contamination/vapors. area. 3f. If a reading of>5ppm is recorded,the Roux field personnel must temporarily cease work,instruct all Site personnel to step away from the area of elevated readings,and inform the Roux PM of the condition. The Roux PM will then recommend additional precautions in accordance with the site-specific health and safety plan. 3f. Use a multi-gas meter to monitor ambient air for dangerous conditions (i.e.,unsafe levels of carbon monoxide when drilling indoors or the presence of explosive vapors). 3g. EXERTION: 3g. Keep your back straight and bend at the knees. Potential for muscle 3g. Utilize team lifting or mechanical means for objects over 40 lbs. strain/injury while lifting 3g. Use a mechanical lifting device for odd-shaped objects. and installing well casings, lifting sand bags,and/or lifting rods. 4. Remove the sample liner. 4a. EXERTION: 4a Utilize team lifting or mechanical means for objects over 40 lbs. Potential for muscle 4a. Use the hydraulic liner extruder if available. strain/injury while removing the liner from the probe rod. 4b. CONTACT: 4b. Place the liner on the sturdy surface when opening. Pinch points and cuts 4b. Don cut-resistant gloves and use an appropriate liner cutter when opening liners. 4b. Always cut away from the body. 4c. EXPOSURE: 4c. Wear chemical-resistant disposable gloves when handling liners. Inhalation and/or dermal 4c. See 3f. contact with contaminants. ' Each Job or Operation consists of a set of tasks/steps. Be sure to list all the steps needed to perform job. ' A hazard is a potential danger. Break hazards into six types: Contact-victim is struck by or strikes an object; Caught-victim is caught on,caught in or caught between objects;Fall-victim falls to ground or lower level(includes slips and trips);Exertion-excessive strain or stress/ergonomics/lifting techniques;Exposure-inhalation/skin hazards;Energy Source-electricity,pressure,compression/tension. Using the first two columns as a guide,decide what actions or procedures are necessary to eliminate or minimize the risk. List the recommended safe operating procedures. Say exactly what needs to be done-such as"use two persons to lift". Avoid general statements such as,'be careful'. ROUX ASSOCIATES, INC.