20 Primer o sus t ainability re P or t 2013 heal th and S a F ety G o V e R nan C e A t the San Dimas mine ther e ar e a number of c ommitt ees and gr oups whose purpose is t o maintain a saf et y fr st cultur e and monit or saf et y perf ormanc e i n t otal mor e than 130 emplo y ees or 10 of the w orkf or c e par ticipat ed in the diff er ent c ommitt ees and c ontinuous impr o v ement w orking gr oups C entr al Saf et y and Securit y C ommitt ee a F ormal Health and Saf et y C ommitt ee guides our Health and Saf et y A dministr ation s y st em T he c ommitt ee is chair ed b y the mine s Gener al Manag er and includes oper ations and servic es superint endents permanent member s and ar ea heads supervisor s and emplo y ees t empor ary member s T he c ommitt ee meets on a monthly basis t o discus s pot ential risk s and pr e v entiv e measur es and t o choose a saf et y emplo y ee of the month d ocumentary S y st em Subc ommitt ee an 18member subc ommitt ee has joint manag ement labour r epr esentation and defnes saf et y r elat ed w ork pr oc edur es and instructions p r e v entiv e o bserv ations Subc ommitt ee det ects unsaf e acts and c onditions and f ollo w s up until the y ar e c orr ect ed i n 20 13 ther e w er e mor e than 3 000 of these pr e v entiv e observ ations c onduct ed appr o ximat ely eight per da y a c cident and i ncident i n v estig ation Subc ommitt ee analyz es and in v estig at es lost time ac cidents and near mis s incidents i n 20 13 thr ee lost time ac cidents and six near mis s incidents w er e in v estig at ed C ir cles of p r e v ention at San Dimas enhanc e a saf et y fr st w ork cultur e thr ough de v eloping impr o v ement oppor tunities and helping monit or and advise on oc cupational saf et y pr ogr ams i n 20 13 ther e w er e fv e diff er ent w orking gr oups on subjects including as ses sing r ock f all incidents impr o ving under gr ound w orkplac e c onditions r educing risk in the pr oc es sing plant and maintaining an or derly w orkplac e