2024 16 CFR 460.6 – “Representative thickness” testing

2023 16 CFR 460.6 – “Representative thickness” testing

2022 16 CFR 460.6 – “Representative thickness” testing.

2021 16 CFR 460.6 – “Representative thickness” testing

2020 16 CFR 460.6 – “Representative thickness” testing

2019 16 CFR 460.6 – “Representative thickness” testing

2016 16 CFR 460.6 – “Representative thickness” testing

2015 16 CFR 460.6 – “Representative thickness” testing

2014 16 CFR 460.6 – “Representative thickness” testing