Adams Environmental Field Services LLC. 440 Railroad Ave, Suite 202 , Pittsburg , CA 94565 USA About Solutions services Publications videos Home breadcrumb Companies Adams Environmental Field Services LLC. Videos Lead Purification Video Lead Purification Video 0 Share Share with Facebook Share with Tweeter Share with LinkedIn Before it can be used in products, lead must go through a smelting process to get the sulfur out. Learn how lead is purified and molded in this clip from Discovery Channel's 'HowStuffWorks' show. Adams Mold Service Video Lead Poisoning Video Lead Recycling Video History of Lead Video EPA Rule on Lead Poisoning Video EPA Tests for Lead Are Inadequate Video Customer comments No comments were found for Lead Purification Video. Be the first to comment! Add your comment Publish your comment Great! comment successfully added!