4.3 Records 4.3.1 A record (written or electronic storage media) shall be kept for each furnace load. It shall include: equipment identification, approved personnel identification, date, part number or product identification, number of parts, alloy, purchase order, lot identification, reference to this specification and/or other applicable specifications, actual times and temperatures used, as well as nitriding potential. When applicable, other atmosphere control parameters shall also be recorded. The maximum thickness, when process parameters are based on thickness, shall be recorded and shall be taken as the minimum dimension of the heaviest section of the part. Log data shall be recorded in accordance with documented procedures.