Tag Archives: Z1.4:2008

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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z1.4:2008 sampling

Question: We are having an interpretation issue regarding the ANSI/ASQ Z1.4:2008 standard with some of our component vendors. We have a number of different defects that fall into an AQL of 1.0. Please note that the same question applies to … 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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Combating contamination

Q: We want to ensure that we are receiving clean containers to package our products. How can we improve our incoming inspection process? A: You should encourage your vendor to ship only clean containers. Then, be sure that the shipping … Continue reading

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Z1.4:2008 inspection levels

Q: I am reading ANSI/ASQ Z1.4-2008: Sampling procedures and tables for inspection by attributes, and there is a small section regarding inspection level (clause 9.2). Can I get further explanation of how one would justify that less discrimination is needed? … Continue reading

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Sampling Employee Tasks

Q: We are collecting data on what tasks our employees in various departments do each day. We hope to eventually get a representation of what each employee does all year long.  Randomly, throughout the day, employees record the tasks they … Continue reading

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Random sampling

Q: When inspecting components on tape and reel, pulling parts at random can present a problem in a pick and place operation.  Also once removed, the samples would have to be put back on tape for use. Is there a … Continue reading

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