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• Build a vent il a t e d tab l e , or change a ta ble you al ready own into a vent il a t e d one (Figu r e 1). Vent il a t e d tab l e sizes will vary from nail sal o n to nail sal o n . Choose a wood for your vent il a t e d tab l e that will not soak up the chemic a l s . If the tab l e acts like a sponge, it may act ua l l y ex pose you to the chemic a l s you want to avoid. A ve neer-coated part ic l e board works well for the tab l e mat er i a l . Make a hole in the tab l e top for an air in - take (called the downdraft face). This downdraft face should be placed on the tech ni cian’s side of the tab l e . Cover the hole with a screen-like cover (or perf o - rated plate) to pre vent things from falli n g in. Figure 1. Ventilated nail application table. The clie n t ’s side of the tab l e should be a lit tle higher than the techn ic i a n’s side. This will all o w the clie n t ’s hands to hang over the downdraft face and be as close as poss ib l e to the loc a l ex haust vent il a - tion (Figu r e 2). • Make sure enough air blows through the tab l e downdraft to get rid of the EMA. The amount of air ex hausted Figure 2. Interior construction of ventilated nail application table. de pends on its speed as it moves through the downdraft face and on the size of the tab l e open ing. How ever, too much air rushi n g past the fing e rn a i l s may cause the art if ic i a lnail prod uct to crystalize. An air speed of 620 feet per minu t e , dir e c t l y above the 13- by 4-inch downdraft face works well. A 2½-inch baff l e should sur round the downdraft face to pull the movi n g air closer to the clie n t ’s hands. Dif fer ent dryi n g times are needed for diff e re n t fing e rn a i l prod ucts and diff e re n t app l i ca tion tech niques. Alt h o u g h a strong e r and larger airf l o w will coll e c t more dust duri n g fili n g and dry the color coat faster, a slower and lower airf l o w gives better re sults for the art if ic i a l fin ger nail prod uct. • Choose an exh a u s t fan that can ex haust at least 250 cub i c feet per minu t e of air and has ¼-inch static pres sure. A c horse power cent r i fug a l fan should work well. To pre vent fan noise from gett i n g in the way of talk or clie n t com fort, you can do one of three things: (1) buy a quiet fan, (2) put a cover over a noisi e r fan, or (3) buy an outd o o r fan to be placed on an out side wall. The fan should have cont r o l sett i n g s . Use eit h e r a multi-speed or high-volume ex haust fan with a damper. You can find a fan supp l i e r by looki n g in a dir e ct o r y called “Thomas Regi st e r of Americ a n Manuf a ct u r e r s . ” Look und e r the headi n g s of “fans” or “fans, cen trif u gal.” Your publ i c lib r a r y should have this dir e ct o r y . The fan supp l i e r may be able to in stall your fan, as well as supp l y the duct work and other needed mat er ia l s .
• Pro vide enough makeup air to re place the exh a u s t e d air. If the makeup air is too weak, there will be negat i v e pres sure are a s and perh a p s drafts. The air in take, which pulls out door air in side, should not be placed near the buildi n g exh a u s t . If the ex haust and in take vents are too close, dirty air will be pulled back into the room. • Comfort fans should not blow directly on the downdraft face because the strong air movement can interfere with the exhaust airflow. O KEEP DISPENSER BOTTLES CLOSED Use disp e n s e r bott l e s that have small openi n g s , only large enough for an app l ic at i o nbrush to en - ter. The bott l e stopp e r s should be press u r e sens it i v e . A disp e n s e r bott l e with a press u r e - s ensitive stop per and small openi n g will res u l t in less evapor at i o n of the fing e rn a i l liqu i d and, thus, will cut down on poss ib l e exp os u r e s to metha cr yl a t e s (Figu r e 3). O CHANGE YOUR WORK HABITS Nail techn ic i a n s can also lower their exp os u r e s to these air borne chemic a l s by changi n g some of their work habi t s : 1. EMA-soaked gauze pads should be placed in a sealed bag bef o r e bei n g thrown in the trash can. 2. Trash can line r s should be changed daily. 3. No more than the needed amount of fing e r - nail liqu i d should be poured into the closed dis penser bott l e . 4. Nail technicians should wear personal protec - tive clothing and glasses. When techniciansre - move artificialnails, chips of acrylic often fly off, cre at ing a need for eye protection. In additi on Figure 3. Example of closed container for fingernail liquid; pressure is applied to the brush to release a spring-loaded stopper. to safety glasses, techniciansalso should wear long sleeves and gloves to protect their skin from acrylic dust. 5. Tech ni cians should wash their hands, arms, and face with mild soap and wat e r seve r a l times through out the day to remo v e pot e nt i a l l yirr it a ti n g dust. 6. Eating and drinki n g should not be all o we d where art if ic i a lfing e rn a i l s are app l i e d or in other work ing are a s . Metha cr yl a t e s in nail dust can be carr i e d acc id e n t l y to the mouth or face on a cup or other food item, and this con tact may cause a skin rash. Also, many other chemic a l s are used in a sal o n that could cause health probl e ms if swall o we d . 7. Smoking should be banned for the ent i r e sal o n be cause many of the chemic a l s in a beauty shop, inc l u di n g nail prod ucts, catch fire easi l y .
Page 1: HC 28 Controlling Chemical Hazards

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