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ANSI/PSAI Z4.3-2025
Sanitation - Nonsewered Waste-Disposal Systems at Places of Employment : Minimum Requirements
This standard applies to portable nonsewered waste disposal systems at places of employment, wherever such systems are not connected to a sanitary sewer, septic tank or on-site sewage-disposal treatment facility. These systems are typically used by the same people or groups of people over a period of time. Portable nonsewered waste disposal systems used in non-employment settings are outside the scope of this standard.
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American National Standards Institute [ansi]