SYMPOSIA PAPER Published: 01 January 1983
STP32482S

A Quality Control Program Used for Agricultural Formula A Production

Source

The goal of a quality control program is to obtain data on each production lot efficiently to provide assurance that it meets the product specification. A program is reported that uses a minimum number of control sample analyses to generate the data required for application of statistical methods. The proper combination of the assay product specification, analytical methods, and statistical methods is illustrated through use of the cumulative-average chart in the production of Formula A. The procedures for product approval, starting the quality control program, the number and evaluation of control sample analyses, rejection of analytical results and blunders, and preparing the laboratory report are defined. This quality control program provides cost-effective quantification of data from costly and complex analytical methods.

Author Information

Keim, WA
PPG Industries, Inc., Barberton, Ohio
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Details
Developed by Committee: E35
Pages: 32–41
DOI: 10.1520/STP32482S
ISBN-EB: 978-0-8031-4891-8
ISBN-13: 978-0-8031-0221-7