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checkout_procedures - it-‘.v‘r t n s ‘ fit w z 5 a I...

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Unformatted text preview: it -‘.v‘r. . t . n - s ‘ fit w. z 5;: a . I 1., ._ GENERAL CHEMISTRY CHECKOUT PROCEDURES, Spring 2009 Departmental Policy States: Students MUST wear goggles the entire time they are in the lab! Students must also be properly attired during check-out. Therefore, SHORTS, SANDALS, TANKTOPS, etc. are not to be worn. GENERAL INFORMATION 9 N The complete lab period is to be devoted to check-out. ¢ Students should arrive at the normal starting time for their tab. Any student who does not show within 20-30 minutes of the beginning of tab witl have his or her iock cut. ' 9 if a student informs you that he or she cannot attend check-out, inform your course supervisor as soon as possible. ‘ +_ Students are NOT allowed to have other students check out for them. 9' Any student who does not show for check-out will be considered as Failed To Check»Out (FTCO). Piease review the section dealing with FTCOs that appears later in this document. FAILURE TO CHECK-OUT Any student who fails to show within twenty (20) minutes of the start of lab (or after a quiz is completed) will have his/her lock cut. Any student who arrives after his or her lock is cut, gay; before the teaching assistant leaves, will [191 be considered as failed to check out, provided the student properly checks out in the presence of the teaching assistant! PLEASE NOTE“ Prep Lab personnel will check the contents of absent student locker drawers. PREPARING FOR LOCKER DRAWER CHECK-OUT EACH STUDENT 18 T0: 0 remove all equipment and used paperfrom the locker drawer. Used paper is to be discarded in the trash. TEST TUBES USED TO DtSTRIBUTE UNKNOWNS I Test tubes containing unknown liquidslsolids should be placed in a plastic bucket found on the reagent bench. This bucket will have a label that reads: ALL SECTIONS Place all capped test tubes in this bucket. Contact the storeroom if any student still has reagent left from an experiment! 9 wash all glassware using soap and water. Rinse the glassware using de-ionized water. 0 dry the glassware. Graduated cylinders and test tubes can be slightly wet on the inside. For safety reasons, do NOT allow students to use stirring rods or glass tubing to force paper towel into test tubes or graduated cylinders. Use With Caution! ‘ There wilt be a dilute solution of sulfuric acid/hydrogen peroxide available for students to help remove stains on glassware. Everyone should wear gloves while using this solution and avoid contact with skin and clothing! Should skin or ctothing contact occur, wash the affected area with copious amounts of water and inform the storeroom personnel as soon as possible! Thoroughly rinse the glassware with de-ionized water. f‘saw'vg v.t_ nth-p: 3;»: up: , s 6 place at! equipment (not ju_st gtassware) on the bench top in the order the items appear on the inventory list. 9 piece a clean sheet of white shelf paper (counter next to front sink) in the drawer. ¢ ptace any extra acceptable equipment on the bench in the back of the room. Discard broken glassware in the trash. CHECKING EQUIPMENT 4 EACH STUDENT is to check each piece of his/her equipment against the Acceptability of Equipment form gag the Inventory list. Extra acceptable equipment found in the back of the room, can be used by the students. Extra equipment is not to be removed from the lab! SPECIAL NOTE Unacceptable equipment must be discarded in the trash cans and not removed from the lab. o T . . . v 9 Once all ofthe equipment is cleaned and checkedwflfstphysicallyrnspect each item of equtpmenl (Lida/tn for its acceptability and proper number. I.” '67 “ch pt/IXWX\ PREP LAB HELP TO DETERMINE ACCEPTABILITY OF EQUiPMENT in the event that there is a disagreement between. and a student as to the acceptability of equipment, tell the student to bring the disputed piece of equipment to the storeroom. if a piece of equipment is considered acceptable by staff, the equipment will be marked with the initials "PL". If the eguiprnent is not acceptable, the Prep Lab staff wili keep it. m 5..“ I ‘l‘tfi'ww "'1‘? ‘ ' "" a. ., A I tn... '. -u..- . o As The are inspecting the equipmerhplace the acceptable equipment back in the drawer. Secure the locker drawer using the university lock. OBTAINING REPLACEMENT EQUIPMENT 9 In the event that a student needs replacement equipment. ’ms are to mark exactly what is needed on a copy of the Check-Out Shortage form. Do this by placing the number of the item needed next to its description. Once compteted, the student takes this form, along with his/her Purdue it}, to the storeroom to purchase reptacement equipment. Replacement equipment obtained from the storeroom wilt be charged to the student. Students will receive an invoice from the university within the month! Once the student has purchased replacement equipment, the shortage form will be returned to the student. c When the student returns to your lab with the reptacement equipment, 1115 are to check the equipment purchased against what that! Wrote on the completed Check-Out Shortage form. 0 Th 5‘, need to place the purchased equipment in the drawer and secure the drawer with the university lock. 9 The student must sign the CHECK-OUT LOCKER LiST and is then tree to leave. IF NO REPLACEMENT EQUiPMENT lS NEEDED . "ms 0 if att of the equ:pment is acceptable an_d pteseMure the drawer with the university lock. have the student sign the CHECK-OUT LOCKER LiST. The student is free to leave. with ...
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