Tag Archives: acceptance sampling

AQL Clarifications

Question I am confused about the values used for AQLs. For example in Table II-A the AQL values range from 0.010 to 1000. Where do these values come from and what do they mean? The table states, “AQLs, in Percent … Continue reading

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Z1.4: selecting the sample size

Q: I work for a pharmaceutical company that manufactures soft gel capsules. What is the proper way to select a sample size when using ANSI/ASQ Z1.4-2008: Sampling Procedures and Tables for Inspection by Attributes? I’ll further illustrate my question with … Continue reading

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Z1.4 Split Sampling

Q: I have two questions about Z1.4-2008: Sampling Procedures and Tables for Inspection by Attributes. 1. Does the plan allow one to “split” sampling plans among multiple items, or is only one item per plan intended? 2. The plan states a … Continue reading

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Terminology for Inspected Material (GMP, ISO 13485)

Q: There is often confusion with the labeling of purchased materials  after they have been “inspected, tested and/or verified” according to good manufacturing practice (GMP) requirements.  Once out of quarantine, are purchased materials labeled as accepted, approved or released?  I’ve … Continue reading

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Sampling in a Call Center

Q: I work as a quality assessor (QA) and I am assisting with a number of analyses in a call center. I need a little help with sampling. My questions are as follows: 1. How do I sample calls taken by … Continue reading

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AQL for Electricity Meter Testing

Q: We have implemented a program to test electricity meters that are already in use. This would target approximately 28,000 electricity meters that have been in operation for more than 15 years. Under this program, we plan to test a … Continue reading

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