The methods for documenting control of hazards have increased due to more complex regulations and technology advances. All the additional bacterial tests, external audits and sensor measurements come with a load of new data.
Those facts and figures can make the difference between a recall and persuading an inspector that a product is safe. If a question about a positive swab arises, think how much weight that favorable finished-product test results would carry or how helpful an aggressive record of clean environmental sampling would be.