Job Hazard Analysis and Mitigation page 1 of 10

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1 Job Hazard Analysis and Mitigation page 1 of 10 Title of Task or Employee: ED&M Routine Non-routine Date_1/20/2006 Complete instructions and supporting information is available at Enter information into boxes which will expand to accommodate whatever length of text is entered. Once this JHA is complete, all participants should sign in the Acknowledgement section. Work at computer work station, desk, phone Strains, eye, neck, muscle, back problems, Repetitive Motion Injuries (RMI) from improper use or bad workstation ergonomics Inadequate ventilation Overloaded electrical circuits, fire Lifting, moving Sprains, strains - back or other strain injury from overexertion Work on or with metal parts in SPEAR, on equipment racks, chassis, or elsewhere. As needed: Ergonomic evaluation of workstation Work station fixes as recommended by evaluation Use of proper keyboarding techniques as recommended by evaluation Take breaks and use office exercise techniques Make sure ventilation systems are functioning properly. Have them checked if there are any questions. Perform periodic work area self-assessment (e.g., look for daisy chained extension cords or other safety hazards in the work area) Always use proper lifting techniques (Avoid twisting while lifting, use your knees etc.) Don t lift more than comfort level Get help or use lifting tools for items exceeding 50# Evaluate in field as needed Use hand truck or similar for moving heavy / bulky boxes, equipment Cuts from sharp edges and burrs. Review work process Wear leather gloves Deburr Cover or protect edge Hold metal with tools (e.g. vise-grips)

2 Job Hazard Analysis page 2 of 10 Awkward reaching/contortion, reaching heavy items on high shelves or racks Muscle strain Head bump Cuts/lacerations Injury from fall (see below) Injury from dropped objects Avoid awkward or poorly positioned reaches or lifts reposition. Wear gloves Wear bump caps Field repair/warning signs of jagged edges Locate heavy items lower where practical, use ladder and/or equipment when necessary. Do not overextend. Work at height/use of ladders Injury from fall, or from dropped objects Receive Harness training and adhere to content. Wear fall protective harness where falls of 4 or more feet are possible Receive ladder training and adhere to content. Use ladders only according to manufacturer s instructions. Stay out of ladder footprint while ladder is in use by another. Spotter system for power supplies and racks Operating Circuit Breakers and Disconnect Switches Flash Hazard SLAC Training Course #239, General Electrical Safety Follow the minimum PPE requirements Category 0 Long sleeve shirt and long pants made from natural fiber Safety glasses/goggles Category 1 Fire Retardant Coveralls Hard Hat Leather gloves Leather shoes Safety glasses/goggles Follow the SSRL Circuit Breaker Reset and Disconnect Switch Operation Procedure

3 Job Hazard Analysis page 3 of 10 Walking around SSRL: shops, beam enclosures, and other industrial areas (i.e. work on RF power supplies in B140 [areas with limited egress, head bump & tripping hazards]) Injury from slips, trips, falls on oily, messy, uneven, or loose surfaces. Injury from striking protruding objects No running Clean up spills on surfaces Use good housekeeping/cleanup Keep eyes on path Use flashlights in dark areas (such as powers supplies & racks) Avoid unstable surfaces: stacked items, piles of debris, etc. Place foam or warning colors on head-or body bump hazards Use appropriate PPE and abide by specific local PPE rules Work in high-noise RF cavity areas Hearing loss Avoid high-noise areas when practical Abide by warning signs Wear PPE (ear protection) as needed Work on electrical equipment with high- V or other stored energy (cables, trays, electrical outlets, breakers) Electric shock Arc flash Flying objects High-temperatures/fires Hazardous vapors/fumes Participate in Hearing Protection Program as needed Get Low/High-V training (Courses 251, 274) Use GFCI where possible Use good housekeeping/cleanup Use equipment only according to manufacturer s requirements Receive Lock/Tag (Course157) training and adhere to Lock/Tag requirements Adhere to SSRL equipment-specific installation & maintenance procedures Avoid energized electrical work when possible Get and adhere to hot work permit when working on energized electrical equipment or systems Use sufficient lighting during work Attend PPE training. Use safety screen/ gloves/ mats/ goggles, protective clothing, and/or glasses accordingly

4 Job Hazard Analysis page 4 of 10 Control chassis removal Struck by falling chassis Use care when removing chassis. Look for loose items, short power cords, or impeding items. Get help or use tool for heavy or awkward chassis. Walking around site and into shops and other industrial areas of site Slips, trips, falls, sprains from uneven walkways, pavement, obstacles Struck by vehicle Inadequate or missing signage, safety features (handrails, cautions, etc.) No running Use good housekeeping/cleanup Walk only on improved surfaces when possible Keep eyes on path Look both ways before entering blind turns Wear safety vest for prolonged activities in high vehicle traffic areas Look for and adhere to signage and warning tapes, etc. Look for hazards that may be marked. Go slowly in unfamiliar areas. Identify safety concerns and suggest appropriate improvements in safety signage, equipment, etc.

5 Job Hazard Analysis page 5 of 10 Use of government cars, carts, scooters, and bicycles. Use of personal cars on site. Work around heavy objects. (e.g., power supply lifting w/genie lifts & pallet jacks) Injury by collision or spill/wreck Injury to others, struck by vehicle Burns/fire from gasoline Maintain California Driver s License Slow down in rain Drive and ride defensively Don t tailgate or follow other s closely Keep hands free to drive/ride Wear protective headgear on scooters Adhere to SLAC site traffic requirements and California auto and bike regulations and Rules of the Road Fill tanks only at station Take care not to spill Do not fill vehicles from jerry can Keep ignition sources away while filling (cell phones, smoking, car ignition, static from car entry during filling) Keep truck beds free from debris that could fall out Report violations to management and use your defensive driving don t try to correct others errors if it could make matters worse. Use goodhouse keeping and cleanup Foot crushing Receive PPE training and adhere to content. Wear safety footwear where objects >50# could crush feet Avoid placing feet under any possibly-crushing load

6 Job Hazard Analysis page 6 of 10 Use of chemicals (solder & flux, alcohol, epoxies, solvents, cleaning fluids, paints, coatings, etc.) Burn Poisoning Difficulty breathing Environmental contamination Soldering Burns Lead poisoning Substitute non-hazardous materials when possible No eating at workbenches Wash your hands after use Perform work outdoors where possible. Use ventilated areas when indoors. Make sure ventilation systems are functioning properly. Have them checked if there are any questions. Work away from ignition sources Use less-toxic or flammable materials where possible. Observe and use manufacturer precautions and instructions Obtain and use Material Safety Data Sheets (MSDS) (see Industrial Hygiene (x4105)) when working with new chemicals. Receive PPE Training and adhere to content Dispose of waste properly Receive training on Handling Hazardous Material Wear protective eyewear Receive Lead Safety Training (#240)and adhere to content (optional) Use ventilation at workbenches Proper disposal of solder residue

7 Job Hazard Analysis page 7 of 10 Work in places (ring, etc.) potentially occupied by wild animals Use of paper cutters, staplers, punches, other office equipment Use of machine tools (drill presses, cutters) Infection/poisoning from contact with wild animals (raccoons/skunks/possums/feral cats/ground squirrels, bees & wasps, mosquitoes, foxes, mountain lions, rattlesnakes, poisonous spiders) Injury from car collision w/deer Use insect repellent and tuck pants into shoes when working in brush or tall grass. Perform tick selfinspections regularly. Take care in dark places: clear cobwebs with broom or other item rather than with body. Look carefully under outdoor items before moving them Look carefully under items/racks in the Klystron Gallery before placing a hand or foot under or into them. Avoid other wild animals. Wave and scare mountain lions & hope they are not hungry Cuts, puncture wounds, strains, etc. Use office equipment only in accordance with manufacturer s instructions. Use guards to protect fingers, etc. Cuts, lacerations, or contusions from contact with point of operation or flying materials Work with 2% Be in Cu Chronic Beryllium disease (CBD) from Be exposure Use tools only according to manufacturer s instructions Do not defeat guards on point of operation or other moving parts Wear protective eyewear Do not wear loose clothing/jewelry while operating Tie hair back out of operation area Use ventilation on machine systems Do not machine BeCu Work wet w/burned up contacts Use good housekeeping/cleanup Consult IH (x4105) as needed, with questions Dispose of waste properly Use of compressed air Debris blown in eye Injection resulting in blood clot Wear eye protection while working with air systems Use vented nozzles Avoid launching heavy or large objects Wear dust masks for cleaning work

8 Job Hazard Analysis page 8 of 10 Cable or other assembly operations Repetitive motion injury Use ergonomic tools Eye strain/fatigue Take breaks Exercise Contact Medical when starting long-term repetitive work Work in High Radiation Areas Overexposure to ionizing radiation Receive Radiation Worker I training and adhere to Use of hand tools (for example cable cutters files, hammers, knives, pliers, scissors, screwdrivers, etc.) Use of portable power tools (drills, Sawzalls, Dremels, etc) Modulator trouble shooting/maintenance of ceramic items in modulators Cuts, lacerations, or contusions from contact with point of operation or flying materials Cuts, lacerations, or contusions from contact with point of operation or flying materials Cuts from broken ceramics Wear leather gloves content Use tools only according to manufacturer s instructions Use right tool for the job Wear protective eyewear for any activities which could cause flying materials (hammering, cutting, chiseling, etc.) Use tools only according to manufacturer s instructions Do not defeat guards on point of operation or other moving parts Plug into GFCI outdoors or wet areas Wear protective eyewear Do not wear loose clothing/jewelry while operating Tie hair back out of operation area Day to day work with difficult or impossible deadlines, excessive overtime, chronic unresolved problems Stress Clarify tasks and priorities - do what is practical, do the highest priorities first Identify and address self-induced stress (e.g., catastrophizing - making things worse than they are); Avoid rushing to the point of errors, rework, and omissions; Discuss issues at safety meetings; Talk to supervisor or peers for reality checks Discuss stress at staff meetings

9 Job Hazard Analysis page 9 of 10 All day to day work Hazard Awareness & Response Approach All work - General hazards Earthquake Fires Spills Other emergencies Take personal responsibility for your safety. o Maintain self awareness of your activities and surroundings. Apply appropriate actions from above for your activities o Mentally assess tasks before proceeding. o Get training and/or education on activities before performing work in new or unfamiliar areas. o If sick stay home and get better. o Be aware of implications when someone or environment gets hurt -- financially (worker's comp, health costs) and professionally (time away from work, workload impact on others o Identify and address stress EMERGENCIES: Follow emergency procedures/personnel; participate in fire and earthquake drills SAFETY COORDINATOR: Pay attention to local safety coordinator announcements, advice DEPARTMENT SAFETY MEETING: Actively participate in stand downs; reviews; information sharing; lessons learned; site issues and controls EARTHQUAKE PROOFING: Ensure bookcases, files cabinets, etc. secured to walls and floors; place Heavy items on lower shelves SPILL MANAGEMENT: Secure area; clean / report spill)

10 Job Hazard Analysis page 10 of 10 All work security issues Unknown/unauthorized personnel in area Missing/damaged materials or equipment Offer to help unidentified people, report to supervisor and/or security if response is inappropriate Report disturbed work area to supervisor and/or security All work general practices All GET HELP: ask for help anytime, any reason, any question; supervisor, safety coordinator; peers; ES&H experts; get 2nd opinion EDUCATION: Get appropriate knowledge through training, sharing information; and open communication. Acknowledgements Print Name Signature or Initialed Date Supervisor: M. Widmeyer Original signed 1/20/2006 1/20/2006 Participants: Tom Dao Original signed 1/20/2006 1/20/2006 Greg Johnson Original signed 1/20/2006 1/20/2006 Ramon Ortiz Original signed 1/20/2006 1/20/2006 Fernando Rafael Original signed 1/20/2006 1/20/2006 Critt Taylor Original signed 1/20/2006 1/20/2006 Ramona Theobald Original signed 1/20/2006 1/20/2006 John Wachter Original signed 1/20/2006 1/20/2006 Scott Wallters Original signed 1/20/2006 1/20/2006