The people at Longmont Dairy (in Colorado) seem to be dismissive jerks. Here’s my note to them just now.
Check the bottom of your reusable glass milk bottle… If it says StanPac, chances are it is painted with high-Lead paint.
Washington Fresh Breeze Organic Glass Reusable Stan Pac Milk Bottle with Blue Lead Paint: 13,400 ppm Lead + 193 ppm Cadmium.
Harris Dairy Farm (Dayton, Maine) glass milk bottle by StanPac: Painted with Lead paint (23,700 ppm Lead, 90 is unsafe for kids).
Smiling Hill Farm Dairy (Maine) glass milk bottle by StanPac: Painted with green & black Lead paint (33,600 ppm Lead, 90 is unsafe).
Strafford Vermont Organic Creamery glass milk bottle by StanPac: Painted with red Lead paint (18,200 ppm Lead, 90 is unsafe)