Notebooks feature user data, guidelines, table of contents, and documentation pages with researcher and witness signature blocks. Acid-free, archival-safe paper pages are formatted in either 5mm (3/16") grid or 5mm (3/16") horizontal rule. Case bound in an imitation leather cover specially coated for durability in laboratory environments. Tamper-evident section-sewn binding. Cover color: royal blue.
Notebooks 89026-646 and -648 are oversized to allow attachment of full-size pages with room for signatures and dates.