Prepared from Lake Ontario water, filtered, diluted and preserved with 0.2% nitric acidCertified valuesAg. 13.6 mg/LCu .443 mg/LSn. 48.2 mg/LAl . 394 mg/LFe .382 mg/LSr . 589 mg/LAs. 43.6 mg/LLi.25.7 mg/LTi . 32.5 mg/LB. 60.6 mg/LMn.275 mg/LTl . 27.7 mg/L