Tag Archives: sampling

Zero Acceptance Number Sampling Plans and the FDA

Question There has been some debate over using the MIL-STD-1916 acceptance sampling plan over the ANSI/ASQ Z1.4-2003 (R2013) sampling plans.  The opinion is that the ANSI/ASQ Z1.4-2003 (R2013) is outdated and no longer an acceptable method of determining a qualification … Continue reading

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Acceptance Sampling Inspection

Question We have an Acceptance sampling inspection in place where we use the ANSI/ASQ Z1.4 – 2013 standard under Normal Inspection, using General Inspection Level II to drive our samples size and accept, reject criteria. We do not uses switching … Continue reading

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Sampling and Daylight Savings Time

Question We are wondering if there is any generally accepted procedure to account for seemingly duplicate sample times when operating over the time period when clocks ‘fall back’ one hour for the end of daylight savings time? Our standard practice … Continue reading

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Sample Size and Z1.4

Question My question is if I’m trying to determine the sample size of migrated data to see if it migrated correctly to the target database, is the Z1.4 table applicable to that? The scenario is data is being transferred from … Continue reading

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Sampling

Question Is there a sampling plan for determining the number of cases to pull in a batch from which you perform the ANSI/ASQ sampling of individual products?  For example: you receive 550 cases with 145 product vials/case.  Is it proper … Continue reading

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Sample Size

Question If we have a lot size of 27 and we are using a normal inspection level II with an AQL of 2.5. What is the sample size? Answer Assuming an attribute is being measured, we use ANSI ASQ Z1.4.2013 … Continue reading

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Food Safety and Sampling

Question I like to know how to sample a finished product or ingredient so that the sample to be tested is representative of the product as a whole so it will increase confidence in subsequent test result. This is needed … Continue reading

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