대한산업보건협회 산업보건연구소의 PAT 정도관리 참여결과

이준승; 유호겸; 오미순; 박화미; 윤기상; 최호춘; 정규철

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자료유형: 학술저널

저자정보: 이준승 (대한산업보건협회 산업보건연구소) 유호겸 (대한산업보건협회 산업보건연구소) 오미순 (대한산업보건협회 산업보건연구소) 박화미 (대한산업보건협회 산업보건연구소) 윤기상 (대한산업보건협회 산업보건연구소) 최호춘 (대한산업보건협회 산업보건연구소) 정규철 (Institute of Occupational Health, Korean Industrial Health Association)

저널정보: 한국산업보건학회 (구 한국산업위생학회) 한국산업보건학회지 한국산업보건학회지 제6권 제2호

발행연도: 1996.1

수록면: 313 - 321 (9page)

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초록· 키워드

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Our laboratoy has been participated in Proficiency Analytical Testing (PAT) program which is operated by the Americal Industrial Hygiene Association in cooperation with the National Institute for Occupational Safety and Health (NIOSH). The program is designed to assist a laboratory improve its analytical performance by providing samples on a quarterly basis, evaluating the results, and providing reports on how well the laboratory performed. Evaluation of the results reported here covers five rounds of the PAT program (round 121~round 125). The way a laboratory is evaluated by PAT program is as follows: 1) There is no overall proficiency rating given to a laboratory. 2) A proficiency rating is given for each type of analyze (i.e., metals, silica, asbestos, solvents) that a laboratory analyzed. 3) Proficiency is rated acceptable ("A") if Z score lies between -3 and +3, and unacceptable if Z score is either higher than +3 ("H") or lower than -3 ("Lo"). Z score = (reported data - reference value) / standard deviation 4) For a laboratory to be rated proficient it must either have had no outliers over the most recent two rounds or of the samples actually analyzed over the past year (past four rounds), 75 % or more of the analyze sample results must be acceptable. According to the above rating criteria of PAT program, performance of metals including cadmium, lead, chromium and zinc, and asbestos sample analyses were rated acceptable ("A"). For silica analyses, all samples except one out of four samples in round 122 was rated high("H") were acceptable showing 95 % of ing 95 % of acceptance rate (19/20) throughout the rounds. Analyses of organic solvents were done on 52 samples in 9 types including methanol(MOH), 1,1,1-trichloroethane(MCM), tetrachloroethylene(PCE), trichloroethylene(TCE), benzene(BNZ), o-xylene(OXY), toluene(TOL), chloroform(CFM), 1,2-dichloroethane(DCE). All samples analyzed were rated acceptable except 2 samples that were rated high; one out of each four MCM and TCE samples in round 121, and one that was low out of four o-xylene analyses in round 122 indicating 94 % of acceptance rate(49/52) throughout the rounds. According to the laboratory rating criteria, our laboratory is rated proficient so far for all types of contaminants.

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