Upon arrival talked with homeowner, they are on the same well up the hill with a brand new house, built in 2019 and do not have this sulfuric issue. The most likely culprit is sulfate buildup in deep well lines. Give homeowner option to chlorinate line and treat, homeowner requested a call back at 4 PM when they will be with someone who knows more about the well. If they decide to go through with shock chlorination, we will need to sit down and discuss further before they approve, more than likely the week of Thanksgiving. Cleaned up work area did not collect (reservice)