In accordance with the universal field manual maintenance protocol described in Chapter 1 of the Field Manual package, this manual was created in 2023 as part of Version 2.1.

The version control for Chapter 13 (field manual for microplastics) is below:

Version Number Description Date
1 There was no microplastics manual included in Version 1 of the field manual package 28 Feb 2018
2 There was no microplastics manual included in Version 2 of the field manual package July 2020
3 Publicly released as Chapter 13 through online portal May 2024