Who is aware of the fact should call line 123 or a line that fulfills the same purpose in each municipality or district, in order to activate any care emergency system available, the National Police or the Fire Department. First aid should be provided by trained personnel, who must take into account the following: a) Introduce before the victim (name and institution to which he belongs). b) Once the victim attend, check: The most serious injuries, which are those large presented in special areas such as the eyes, face, neck, hands, armpits, elbows, wrists and genitals, being the eye, the most urgent. If the are washing facilities available (potable water), proceed to wash taking care that the waeter flow does not disperse the acid to other parts of the body. c) Keep and transmit calm. d) Take the necessary precautions for protection (wear gloves, gowns and goggles). e) Remove any clothes soaked with chemicals, to prevent further spread burn. f) Dry body areas exposed to the chemical. g) Rinse with abundant water. h) Irrigate eyes with water when they are affected, as a priority. i) Soap application. Repeat the cycle (irrigation-soap-irrigation) at least three (3) times. j) Place the coat when finished three (3) cycles irrigation - soap - irrigation. k) Pack clothes impregnated with the chemical