ANSI/PSAI Z4.4-2016 pdf free download.In Fields and Temporary Labor Camps: Minimum Requirements. 1 Scope and Purpose 1.1 Scope This standard prescribes minimum environmental health requirements for field sanitation and for temporary labor camps that will include persons with or without their families employed in any occupation or work for which labor-force quarters are provided. 1.2 Purpose The purpose of this...