40 CFR 63.5880 - How do I determine how much neat resin plus is applied to the line and how much neat gel coat plus is applied to the line for continuous lamination/casting operations?
(a) Track formula usage by end product/thickness combinations.
(b) Use in-house records to show usage. This may be either from automated systems or manual records.
(c) Record daily the usage of each formula/end product combination on each line. This is to be recorded at the end of each run (i.e., when a changeover in formula or product is made) and at the end of each shift.
(d) Sum the amounts from the daily records to calculate annual usage of each formula/end product combination by line.