P AN AMERIC AN SIL VER 99 O ur Appr o ach W e t ak e r e sponsible manag ement o f t ailing s he ap le ach p ads w as t e r ock dump s spills and s olid w as t e v er y s eriously W e w ork t o ensur e that all t ailing s s t or ag e f acilitie s dams he ap le ach p ads and w as t e s t ockpile s ar e r obus tly de signed built oper at ed maint ained and clo s ed in ac c or danc e with the T o w ar ds Sus t ainable Mining T SM T ailing s Manag ement pr ot oc ol the Canadian D am A s s ociation CD A guideline s and kno wn glob al be s t pr actic e s in or der t o pr e v ent an y incident s or f ailur e s O ur t ailing s s t or ag e f acilitie s and w at er dams ar e subject t o r outine inspections audit s g eot echnic al and en vir onment al monit oring annual r e vie w s and independent r e vie w s t o c ontinually impr o v e s y s t ems and methods in or der t o minimiz e pot ential harm as s ociat ed with the s e long t erm f acilitie s Indus tr y initiativ e s Mining A s s ociation o f Canada MA C T ailing s W orking Gr oup W e p articip at e in this w orking gr oup which is r e sponsible f or de v eloping be s t pr actic e indus tr y guidanc e Glob al T ailing s R e vie w Thr ough MA C w e ha v e p articip at ed in the Glob al T ailing s R e vie w an initiativ e o f the Int ernational C ouncil on Mining and Met als the Unit ed Nations E n vir onment P r ogr amme and the P rinciple s f or R e sponsible In v e s tment aimed at e s t ablishing glob al be s t pr actic e s f or t ailing s s t or ag e f acilitie s S y s t ems T SM T ailing s Guideline s and CD A D am S af et y Guideline s W e us e the guideline s t o c onduct risk as s e s sment s and manag e our f acilitie s T ailing s W at er and He ap L e ach F acilitie s C orpor at e E n vir onment al St andar d This s t andar d pr o vide s guidanc e f or sit e s on pr oper de sign monit oring and maint enanc e o f critic al f acilitie s P r ogr ams and initiativ e s Independent t ailing s s t or ag e f acilitie s s af et y r e vie w s W e c onduct s af et y r e vie w s and audit s in or der o f priorit y b as ed on a f acilit y risk as s e s sment P r edictiv e modeling W e c omplet e pr edictiv e models b as ed on g eochemic al dat a and s tudie s f or acid dr ainag e and met al le aching fr om t ailing s w as t e r ock and he ap le ach f acilitie s prior t o mining and updat e tho s e s tudie s thr ough r egular monit oring during oper ation and clo sur e W as t e manag ement plans E ach mine has a sit especifc haz ar dous and nonhaz ar dous w as t e manag ement plans that include actions t o maximiz e w as t e r eus e and r ec y cling W e t ak e r e sponsible manag ement o f t ailing s he ap le ach p ads w as t e r ock dump s spills and s olid w as t e v er y s eriously