For those concerned about the presence of BPA in the lining of lids for home canning, we posted previously on identifying Ball’s new BPA-free lids by looking for the serial number on the boxes they come in. Since that post in May, two more tips for telling which lids are BPA-free have come up.
We found printed on the bottom of a case of Heritage Collection blue pint jars, the simple claim, “BPA Free” (above). We looked at cases of Ball jars at two different stores, and found that only the blue Heritage pint ones had this phrase printed on the cardboard. This raises the question of how to tell if the lids that come with recently purchased cases of jars are BPA-free.
A concerned reader (thanks, Canner!) alerted us to her own experience with Ball representatives, and passed on the information that BPA-free lids have “Made in USA” printed on them (above, right). When asked about this, Jardin responded:
That is correct. The lids will have “Made in USA” printed them. Those products will also have a production date code stamped on the outside of the package. Starting this summer, you will also see the “BPA Free” message start to appear on the front face of those packages.
When buying new jars, look for the silver lids with the design pictured above or replace the lids with BPA-free ones. If purchasing replacement lids, look for the serial number printed on the end of the box (below). For our canning friends in Canada, Livin’ La Vida LOCAphile’s comparison shows that Bernardin’s BPA-free lids can be identified by a tiny maple icon in the upper left-hand corner, and that the boxes also have a serial number.
• Ball & Kerr/Jarden Home Brands
• Mastering Food Preservation: On BPA in Canning Lids, Diary of a Tomato
• Mastering Food Preservation: Ball’s BPA-Free Canning Lids, Diary of a Tomato
• Mastering Food Preservation: More on Identifying Ball’s BPA-Free Lids, Diary of a Tomato
• Home Canning, BPA-Free, A Gardener’s Table
• New BPA-Free Mason Jar Lids: Are They Really Safer?, A Gardener’s Table
• New BPA-free canning lids from Bernardin Canada, Livin’ La Vida LOCAphile
Update 8.1.13: From the Ball/Jarden website, under lid description, “Material: Tinplate Steel.”
Update 8.6.13: Update on composition of lid, from Ball/Jarden Customer Service: “In answer to your question, the lids are a tin-plated steel with a BPA-free modified vinyl, and the varnish is a modified epoxy.”