Iyada oo lagu qalabeeyay kala-sooc saliid oo tayo sare leh, shaandhada saliidda, iyo shaandhada saxda ah, saliidda qiiqa waxay ka kooban tahay ≤3ppm. Marka lagu daro qalajiyaha qaboojiyaha, waxay bixisaa hawo cadaadis sare leh oo loogu talagalay warshadaha wax soo saarka saxda ah, rinjiyeynta, iyo elektaroonigga.
Cutubka ugu weyn ee laba-marxallaha ah wuxuu adeegsadaa nidaam saliid oo awood weyn leh, isagoo ballaarinaya wareegga beddelka shaandhada saliidda iyo kala-soocidda saliidda, isagoo yareynaya inta jeer ee dayactirka, isla markaana si weyn u hagaajinaya heerka isticmaalka guud ee qalabka.