The samplerCompany on a ChainOfCustody clarifies which consulting or environmental firm conducted the field work. This is especially important when a site owner contracts sampling to a third party — the laboratory, regulator, and site owner all need to know which firm to contact with questions about sampling conditions or methodology. Enter the company name exactly as it should appear on regulatory documents and lab invoices.
Technical section
Data model, API, and internals — visible to developers.