FLIGHT MECHANICS

1、5/12/20211 chemical hygiene planchemical hygiene plan safety manualsafety manual bob hamilton bob at 5/12/20212 #1 rule no one may work alone in the nanolab! failure to follow rules can result in suspension of lab privileges. will be warned if logging in alone, or if logging out wo

2、uld leave someone alone. can find who is in the lab through mercuryweb. during non-staff hours, confirm presence of another lab member. 5/12/20213 safety test and quiz passing the safety test qualifies a nanolab member to work in the nanolab. qualified on “nanolab” and virtual equipment “chp” passin

3、g an annual, online safety quiz is required to renew membership. lab members receive an automatic email reminder when your safety quiz is due. revisions to chemical hygiene plan are posted in revision history and should be regularly reviewed: 5/12/20214 telephone system information the laboratory ha

4、s an independent telephone system: you cannot dial campus numbers with only 5 digits. you can dial lab numbers with only 3 digits. use “all call” to page staff or other members in the lab. during staff hours dial “0” to reach the nanolab office you must dial “9” to dial an outside number: both “9 91

5、1 and 911 will reach an emergency operator. for emergencies dial 9-1-1 from any lab phone. if you use your cellular phone, call campus police at 510-642-3333 5/12/20215 5/12/20216 emergency response in event of fire: pull a red fire alarm pull station. pull a blue hazmat alarm pull station. evacuate

6、 the building. in event of medical emergency: call 911 if life threatening. visit tang center for minor injuries. if tang center closed, the trauma center at alta bates hospital on ashby and telegraph is at all hours. in event of flooding or utility problem: contact staff. shutoff water supply if yo

7、u can identify the source. if there is a non-nanolab building issue: contact campus hotline at 510-642-1032. follow up with call to building manager domenico carmagno at 510-502-6025. if you call an emergency phone number on left, follow-up with a call to a number on right. 5/12/20217 blue hazmat pu

8、ll stations are located at every emergency exit and at several locations throughout the lab. lab members should use these pulls when they believe the lab should be evacuated: - hazmat activates blue lights and audible alarm. - hazmat seals all hazardous gases. - hazmat notifies a 24 hour alarm compa

9、ny. that then contacts laboratory staff. - hazmat does not call 911. - if blue light is flashing upon arrival, you may not enter the lab. at each lab entrance is a firefighter restricted “break glass” emergency ventilation pull station. this station turns off air recirculation and puts the lab in a

10、state of maximum exhaust. lab members are never allowed to activate this pull station! blue hazmat evacuation pulls 5/12/20218 nanolab evacuation procedure secure your process. as you proceed to a blue emergency exit door ask other lab members to follow. exit the building. if after hours, bring a ph

11、one list from the exit door. the assembly area for an emergency exit from the nanolab is ne of the hearst ave stairwell. the assembly area for sdh is to the west of the qual comm caf remain available to pass on details you have about events that lead to an evacuation. such information is useful. 5/1

12、2/20219 blue strobe lights if the blue strobe light is flashing you must evacuate the lab. this indicates a potential or real hazardous condition. exit the nanolab using the emergency exit doors. all such doors are painted blue. (all doors painted blue are emergency exit doors). do not exit the lab

13、using the main entrance doors unless absolutely necessary. a blue strobe is located just inside the lobby doors at ceiling level. if you arrive at these doors and see this light flashing do not enter the nanolab. if you evacuate the lab and have information about the cause of the event please get in

14、 touch with a nanolab staff. a blue strobe flashing indicates is a localized event. it does not automatically summon the fire department or police. you do not have to leave sdh. you may re-enter the nanolab once the cause of the is known and the alarm is acknowledged - lights off and horns silenced.

15、 5/12/202110 nanolab assembly area 5/12/202111 sdh building & nanolab office emergency assembly area x 11 5/12/202112 clean gowning proper attire requires before entering cleanroom: goggles, bouffant cap, nitrile gloves, shoe covers, gown, boot covers. safety glasses must be worn at all times! safet

16、y glasses must comply with osha standard: 1910.133 prescription safety glasses available through uc optometry department contact lenses discouraged: they can trap abrasive chemicals next to eyes. no sandals, open toe shoes, hi-heels or bare feet. shorts allowed under full coverall suits. cleanroom f

17、ace mask is not a safety device! 5/12/202114 general laboratory practicesgeneral laboratory practices walk, do not run while in the lab. food or drinks are not allowed in the nanolab. cellular phone use is permitted in gowning area and main lab aisle, along west-windows. use of music players is allo

18、wed only in the gowning area only. visitors are allowed on by pre-approval. request permission request via: visitor at always remove your gloves as you exit the laboratory. it is recommended lab users wash their hands after leaving the nanolab or other campus labs. 5/12/202

19、115 the laboratory is equipped with ten safety shower/eyewash systems. five of these are sited in fully-equipped safety stations located between bays. each safety station is equipped with: 1. safety shower 2. eyewash 3. first aid kit 4. chemical spill clean up kit 5. hf burn paste and ph test strips

20、 * two safety stations are equipped with defibrillators eyewash, showers, safety stationseyewash, showers, safety stations 5/12/202116 use of safety stations first aid: minor injuries can be treated at a safety station with a first aid kit. report all use of the first aid kit on mercury under equipm

21、ent named “safety”. serious injuries require medical attention. use 911 from any phone to summon help. if a 911 call is not required lab members should seek treatment at the tang student health center during open hours or a hospital trauma center, such as alta bates emergency. all injuries requiring

22、 treatment must be reported to the nanolab office within 24 hours or, on the following monday if an injury occurs on a weekend or holiday. reports are made in person or via phone, not on-line. 5/12/202117 chemicals common chemicals are supplied by the nanolab. for use in nanolab only. chemicals are

23、stored in lab member accessible labeled cabinets throughout the lab. chemicals are also stored in rolling carts under the sinks. view available chemicals on mercury. 5/12/202118 special chemicals a “special chemical” is a proper name for any chemical not supplied by the nanolab. special chemicals mu

24、st be approved prior to bringing them into the nanolab. approval process: obtain a material safety data sheet (msds). email msds to chemical safety officer bill flounders (bill at ) and request special chemical review. if approved, when you obtain your chemical, visit the nanolab of

25、fice to obtain a red “approved special chemical” label. even if previously approved, additional purchases of the same chemical must go through the approval process to maintain up to date chemical inventories. it is recommended that you complete the approval process prior to ordering chemical. specia

26、l chemicals may require special hazardous waste disposal methods. 5/12/202119 transporting chemicals lab members are never allowed in the chemical storage areas within the gas vaults, rooms 399 and 599 without staff escort or prior approval. make sure there are no open bottles of desired chemical al

27、ready in the area. use safety carriers to move bottles within the nanolab. store opened standard chemicals in designated areas near the sinks. notify staff if there is no stock of a chemical. chemical transport between levels is to be minimized: no chemicals are allowed in the lab passenger elevator

28、. always use bottle carriers in the stairs or the chemical “dumb waiter”. 19 5/12/202120 chemical transport “dumb waiter” 5/12/202121 working with chemicals all wet chemical work must be performed at a nanolab sink.: you must wear protective equipment (ppe) when working with any chemicals: chemicall

29、y resistant gloves, face shield & apron. you must wear chemically-rated gloves, chemical resistant apron and a face shield when working with any chemicals. the only exception to this rule is the tri- polymer chemically resistant gloves are not required when handling small amber bottles of photoresis

30、t. 5/12/202122 working with chemicals respirators are not required when working with standard or approved special chemicals at nanolab sinks. nanolab sinks are annually certified as fume hoods. if your process requires you to handle chemicals outside of a nanolab sink, review your process with chemi

31、cal safety officer bill flounders. incidental use of isopropanol, methanol, or acetone squeeze bottles outside of nanolab sinks is permitted. cal-osha requires all chemical containers to be labeled with their content! 22 5/12/202123 working with chemicals always add acid to water. exception being pi

32、ranha do not use glassware with hf acid. ongoing processed must be labeled for chemical content, contact information date and time of return. place setups toward the back of fume hood where there is maximum exhaust. clean unidentified spills by: checking ph with a test strip. if strongly acidic or b

33、asic (ph 10) use a sink hose to flush into the sink. if neutral, mop up with techni-cloths. all chemicals must be stored in proper containers with the contents identified! 5/12/202124 dry chemicals measure dry chemicals by pouring into weigh boat or weighing paper: always use a clean spatula if scoo

34、ping is necessary. never return chemicals to the source bottle. all chemicals must be labeled and stored in proper containers, i.e. no beakers with foil or unlabeled dry chemicals. 5/12/202125 storing chemicals 5/12/202126 chemical disposal does it contain metal ions? yes is it non- halogenated wate

35、r soluble solvent or acid or base? is it water immiscible or halogenated solvent? take to msink 1, 16,18 is organic waste bottle more than 75% full? pour in funnel yes yes replace full with empty bottle, capping full one lightly take full to chemical disposal cabinet in 582a complete and attach hazm

36、at sticker, fill out chemical disposal manifest no aspirate in sink did you receive special chemical approval? stop, see chemical safety officer no no yes no follow disposal guidelines provided during special chemical review yes treat as photoresistcollect separately no 5/12/202127 chemical bottle d

37、isposal take empty bottles of drain disposable chemicals to the automated bottle rinse station in 582a. rinse using the in foot-peddles of the bottle rinse station. wearing a face shield and gloves. cross out label with an x and place in bins near the rinse station. empty bottles of non-drain dispos

38、able solvent bottles should be placed in rear of fume hood to allow bottle to dry out, then put in a trash can. bottles of silicon etch should be washed and placed in marked bin in 582a for refilling. 5/12/202128 chemical waste bottles 5/12/202129 photoresist & spin coatings residues from spin coati

39、ng such as aluminum foil, cleanroom wipes, swabs, etc, that contain volatile solvents should be disposed of in the vented waste cans located at msink1 and msink3. 29 5/12/202130 chemical exposures remove the affected clothing. rinse the exposed areas with water for 15 minutes using a safety shower o

40、r eyewash. notify staff after exposure using the posted emergency contact information. in an emergency, the deck hoses are usually your closest source of water. 5/12/202131 eye exposure if eyes are exposed: flush eyes for at least15 minutes not less! use an eye-wash. sinks have di deck guns which ca

41、n be used followed by an eye wash. contact staff for assistance or cal 911. follow up eye exposures with visit to a medical professional. all eye exposures require a follow up visit to tang center or a hospital emergency room. lab members should assist a colleague in the event of an eye exposure! 31

42、 5/12/202132 hf burns hf acts as an anesthetic, you may not feel the burn until damage is already done. if exposed: remove affected clothing, flush with cold water for 15 minutes. massage calcium gluconate ointment from safety stations onto exposed area. notify staff after exposure, using posted eme

43、rgency contact information. 5/12/202133 tmah tmah is used as photoresist developer it is hazardous by ingestion, inhalation, skin exposure or eye contact. exposure to concentrations 15% may cause respiratory or heart failure. flush expose area with water for 15 minutes. notify staff after exposure,

44、using posted emergency contact information. 5/12/202134 chemical spills during staff hours, contact a staff member. contain spills using the spill containment kit available at safety stations. contact staff for assistance using the posted emergency contact information posted at every phone. final sp

45、ill cleanup must be done by trained staff certified for spill cleanup. 5/12/202135 toxic metals general practices for handling metals: consider all metal dust as potentially hazardous minimize quantities protect bench top with disposable covers. confine material as you work change gloves when leavin

46、g the area solutions used for etching of toxic materials requires proper disposal confine dust - use dampened lab wipes to collect metal dust contact staff for proper disposal of cleaning materials contaminated with toxic metals mechanical cleaning should be done with fume hood at 200 ft per minute

47、face velocity and a hepa vacuum do not use n2 blowoff guns - use a hepa vacuum new evaporation sources or sputter targets must be reviewed as special chemicals 5/12/202136 work with gallium arsenides or other highly toxic metals must first be reviewed with bill flounders! follow the same procedures

48、as outlined for: special chemicals 36 5/12/202137 sharps & dangerous objects dispose broken glassware in yellow trash pails labeled “broken glass”. dispose si wafers in the blue si wafer recycle bins. dispose needles, razor blades, and other sharp objects in red “sharps” bins. mercury thermometers a

49、re banned from the lab. contact lab staff in event of a mercury spill. batteries and electronic waste disposal is via the nanolab office to assure proper disposal. 5/12/202138 cylinder gases lab members are not allowed to handle compressed gas cylinders. corrosive and toxic gases are kept in the ded

50、icated gas vaults, room 399 and 599. gases are stored in ventilated steel gas cabinets. toxic gases are monitored by the toxic gas monitoring system, which will shut them off at source if leak is detected or if hazmat alarm is pulled. lab members are never allowed in the gas and chemical storage are

51、as, rooms 399 and 599 without staff escort or prior approval. 5/12/202139 radiation sources lasers are banned without the approval of bill flounders (bill at ). more information on safe use of lasers at /factsheets/74lasersafety.pdf ionizing radiation is pr

52、oduced at the scanning electron microscopes and the x-ray diffractometer. those working in the presence of these machines must read the ucs radiation safety guidelines for non-users. 5/12/202140 cryogens review eh&s cryogen fact sheet before working with cryogens. liquid nitrogen is stored in vacuum

53、 jacketed cylinders called dewars. hazards are from freezing burns and asphyxiation due to sudden oxygen depletion. wear gloves and goggles when transferring to a smaller container. use care to avoid spills to minimize damage to the floor in the lab. 5/12/202141 flooding in the lab search for the source of the leak and turn off the supply valve. use the squeegees located in the freight elevator vestibule area to direct most water to floor drain. use the wet vacuum located in the freight elevator vestibule area to vacuum up any remainin