|
JICOSH was closed in 2008. For further information, please contact JISHA.
|
 |
|
|
Working Environment
Evaluation Standards
Ministry of Labour Notification No. 79 of September 1, 1988
Latest Amendments:
Ministry of Health, Labour and Welfare Notification No.192 of April 27, 2001
In
Japanese
|
(Scope)
| |
Article 1. This notification shall apply to workshops listed in items l, 7, 8 and 10 metallic materials or carbon in the air of such indoor workplaces prescribed in item 1, Article 21, the Enforcement Order of Industrial Safety and Health Law (Cabinet Order No. 318, 1972, hereinafter referred to as the Cabinet Order) shall be measured in accordance with the provisions specified in the following : |
(Evaluation of the Results of the Measurement)
| |
Article 2. Evaluation of the results of the working environment measurement prescribed in paragraph 1 of Article 65-2 of the Industrial Safety and
Health Law shall be carried out by classifying into Control Class 1 to
Control Class 3 as listed in the right column of the following table, according
to the case in following items, for each unit work area, prescribed in
item 1 of paragraph 1 of Article 2 of Working Environment Measurement Standards
(Ministry of Labour Notification No. 46, 1976), hereinafter the same. |
| |
(1) |
In cases where only A Sampling (sampling carried out according to items 1 to 2 of paragraph 1 of Article 2 of the Working Environment Measurement Standards, including cases where the same provisions are applied mutatis mutandis in paragraph 4 of Article 10, paragraph 2 of Article 11 or paragraph 4 of Article 13, hereinafter the same), has been carried out.
|
| |
|
| |
| Control Class |
2 of paragraph 1 of Article 2 of the Working Environment
Measurement
level for the substances to be measured as prescribed in Attached
Table |
| Control Class I |
1st evaluation value is less than administrative
control level |
| Control Class II |
1st evaluation value is equal to or more than administrative
control level
and 2nd evaluation value is equal to or less than administrative
control
level |
| Control Class III |
2nd evaluation value is more than administrative
control level |
|
| |
(2) |
In cases where both A Sampling and B Sampling (sampling carried out with the provision of item 2-2 of paragraph 1 of Article 2 of the Working Environment Measurement Standards, including cases where the same provisions are applied mutatis mutandis in paragraph 4 of Article 10, paragraph 2 of Article 11 or paragraph 4 of Article 13, hereinafter the same), have been carried out.
|
| |
|
| |
| Control Class |
Result of comparison of evaluation value or measured
value of B sampling and
administrative control level for the substances to be measured
as prescribed in
Attached Table |
| Control Class I |
Both 1st evaluation value and measured value of B
sampling (in cases where B
sampling was carried out at more than 2 sampling points, the
largest value
shall be adopted, hereinafter the same) are less than administrative
control
level |
| Control Class II |
2nd evaluation value is equal to or less than administrative
control level, and
measured value of B sampling is equal to or less than 1.5
times administrative
control level (excluding cases classified as Control Class
l) |
| Control Class III |
2nd evaluation value is more than administrative
control Level, or measured
value of B sampling is more than 1.5 times administrative
control level |
|
| |
2. |
In a unit work area which has sampling points where the concentration of substances to be measured was less than the lower limit value of the sampling method or the analysis method adopted for the measurement, the lower limit value should be used as the measured value of the point to carry out the classification of the preceding paragraph.
|
| |
|
| |
3. |
In a unit work area which has sampling points where the concentration of substances to be measured was less than one tenth of Administrative Control Level, classification of paragraph 1 may carried out by using one tenth of the Administrative Control Level as the measured value of the measuring point.
|
| |
|
| |
4. |
In a unit work area pertaining to a mixture including more than 2 organic solvents stated in items 1 to 47 of Attached Table 6-2 of the Enforcement Order of Industrial Safety and Health Law, classification of paragraph 1 should be carried out by using a converted value calculated by the following formula for each sampling point. In this case, I shall be used as the Administrative Control Level.
 |
| |
|
(Calculation of Evaluation Value)
| |
Article 3. 1st evaluation value and 2nd evaluation value of paragraph 1 of preceding Article should be calculated by the following formulae. |
| |
|
|
| |
|
| |
2. |
Notwithstanding the provision of' the preceding paragraph, in cases when measurement was conducted for 2 successive workdays (in case there was rational reason why the measurement could not be conducted for 2 successive workdays, 2 workdays with the minimum interval), 1st evaluation value and 2nd evaluation value can be calculated by the following formulae.
|
| |
|
 |
|
|
top