In this chapter, the following documents are incorporated by reference: 40 CFR §745.227, as amended; Standard Practice for Collection of Settled Dust Samples Using Wipe Sampling Methods for Subsequent Lead Determination (ASTM Standard E1728/E1728M-20, 2020 Edition); and Standard Specification for Wipe Sampling Materials for Lead in Surface Dust (ASTM Standard E1792-03, Reapproved 2016).