Dab tsi yog qhov txwv tsis pub ua rau cov hlau lead hauv GPO-3?

Ua raws li txwv (strict)

-EU RoHS: Lead Tsawg dua lossis sib npaug rau 1000 ppm (0.1%)
-National standard/industry: feem ntau yuav tsum tsawg dua los yog sib npaug li 100 ppm
-Legitimate GPO-3: Lead cov ntsiab lus * *<50 ppm, even<10 ppm * *, far below the limit value