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大学の作業場におけるPID式個人ばく露モニターを活用した安全衛生教育教材の開発

水口, 裕尊 安崎, 嘉人 津田, 瞳 布施, 泰朗 中村, 正治 京都大学 DOI:10.11162/daikankyo.22H0401

2022

概要

労働者への有害物ばく露管理おいて作業環境測定基準に基づく単位作業場における作業環境測定が行われてきたが、昨今では、リスクアセスメントの推進や作業環境測定への個人サンプリング法の適用など、個人ばく露量測定による作業環境の評価の重要性が増している。特に少量多品種を使用し、一日の有害物の分布状況の変化が著しい大学等の研究機関では、従来の作業環境測定ではばく露状況を正確に把握することは困難であると考えられる。 現在、感度が高く、多品種の化学物質の検出可能な光イオン化検出器（Photo Ionization Detector; PID）が開発され、有機溶剤等に対する個人ばく露状態のモニタリング機器として応用されている。 本研究では、PID式個人ばく露モニターと個人ばく露測定を実施し、従来の場の測定による作業環境測定結果と比較するとともに、PID式個人ばく露モニターによるリアルタイムモニタリングの結果により、ばく露作業の特定を行うとともに、最大ばく露濃度とばく露作業から、作業管理への有効性について検討した。 また、これらの結果を用いた安全衛生教育を実施し、アンケート調査により、教育前後の安全意識について調査を行った結果、ばく露状況などについて意識の変化が確認できた。
In Japan, work environment measurement has been carried out based on work environment measurement standards to the management of harmful substance exposure to workers. But nowadays, the promotion of risk assessment and personal sampling methods are applied to work environment measurement standards, the importance of assessing the working environment by measuring personal exposure is increasing. Particularly in research institutes such as universities, where a large number of chemical substances are used in small quantities and the distribution of hazardous materials changes markedly over the course of a day, it is considered difficult to accurately grasp the exposure situation using conventional working environment measurements. A photoionization detector (PID), sensitive and capable of detecting a wide variety of chemical substances, have been developed and are being applied as instruments for monitoring personal exposure to organic solvents. In this study, personal sampling methods using a PID personal exposure monitor and a passive sampler were carried out, and the results were compared with the results of conventional work environment measurements. In addition, the results of real-time monitoring using a PID personal exposure monitor were used to identify the exposed work, and the effectiveness of work management was examined based on the maximum exposure concentration and exposed work. Furthermore, we conducted safety and health training using these results and conducted a questionnaire survey on safety awareness before and after the training, and as a result, we were able to confirm changes in awareness of exposure conditions.

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参考文献

１）厚生労働省: 化学物質のリスク評価検討会ばく露評

13）Ion science Ltd.: Technical/Application Article 02,

version1.15, 2020．

14）環境省: GHS 国際連合文書, 仮訳, 改訂7版, 2017年,

https://www.env.go.jp/chemi/chemi/ghs/attach/

unece_ghs_rev07_ja.pdf, 最終閲覧2022年1月21日．

価小検討会, 労働者の有害物によるばく露評価ガイ

環境と安全

A Self-archived copy in

Kyoto University Research Information Repository

https://repository.kulib.kyoto-u.ac.jp

大学の作業場におけるPID式個人ばく露モニターを活用した安全衛生教育教材の開発

XXX

Development of the safety and health training materials using

a PID personal exposure monitor in university workplaces

Hirotaka Mizuguchi 1*, Yoshihito Anzaki 2, Hitomi Tsuda 3, 4,

Yasuro Fuse 3, Masaharu Nakamura 1, 5

1. Environmental Safety Management Center, Kyoto University

Uji Campus Center for Health, Safety and Environment, Kyoto University

2. Nihon Hoken Eisei Kyoukai Co.,Ltd.

3. Center for Environmental Science, Kyoto Institute of Technology

4. Advanced Technology Center, Kyoto Institute of Technology

5. Institute for Chemical Research, Kyoto University

In Japan, work environment measurement has been carried out based on work environment measurement

standards to the management of harmful substance exposure to workers. But nowadays, the promotion of risk

assessment and personal sampling methods are applied to work environment measurement standards, the

importance of assessing the working environment by measuring personal exposure is increasing. Particularly

in research institutes such as universities, where a large number of chemical substances are used in small

quantities and the distribution of hazardous materials changes markedly over the course of a day, it is considered

difficult to accurately grasp the exposure situation using conventional working environment measurements.

A photoionization detector (PID), sensitive and capable of detecting a wide variety of chemical substances, have

been developed and are being applied as instruments for monitoring personal exposure to organic solvents.

In this study, personal sampling methods using a PID personal exposure monitor and a passive sampler were

carried out, and the results were compared with the results of conventional work environment measurements.

In addition, the results of real-time monitoring using a PID personal exposure monitor were used to identify

the exposed work, and the effectiveness of work management was examined based on the maximum exposure

concentration and exposed work.

Furthermore, we conducted safety and health training using these results and conducted a questionnaire

survey on safety awareness before and after the training, and as a result, we were able to confirm changes in

awareness of exposure conditions.

Keywords: Working environmental measurement, PID personal exposure monitor, Personal sampling method,

Safety and Health training, Maximum exposure concentration, Maximum exposure work

Vol.13 No.１（2022）

...

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