What exactly is the problem?
Thread Content
Suppose there is a metal pipe for transporting alcoholic beverages, with a diameter of dn80 and an operating pressure of 0.2 MPaG. Alcoholic beverages are classified as definite human carcinogens; according to GBZ230, they are deemed to pose an extremely high level of hazard, and under the definitions related to pressure pipelines, they should be classified as GC1. Is there a problem with this logic, or is there a misunderstanding of GBZ230?
Alcohol, ethanol: LD50 – Mild hazard: 1 point; weight = 5, so total = 5. Irritation: High level: 3 points; weight = 2, so total = 6. Sensitization: High level: 3 points; weight = 2, so total = 6. Reproductive toxicity: Extreme level: 4 points; weight = 3, so total = 12. Carcinogenicity: Extreme level: 4 points; weight = 3, so total = 16. Actual hazard: Moderate level: 2 points; weight = 5, so total = 10. Spreadability: High level: 3 points; weight = 3, so total = 9. Biological half-life: Mild level: 0 points; weight = 1, so total = 0. Total score: 64 points. High hazard, Category II
The last edit to this post was made by Barbaric Fish on 2018-12-11 at 17:25. Look at item 5.1.5 – it has already been classified as a carcinogen for humans, so it should be listed as posing an extreme hazard
At present, the referenced standard for GB/T20801 is HG20660-2000; the version HG20660-2017 has not yet been used. Therefore, to define the grades of pressure pipelines, only HG20660-2000 can be utilized
Then wouldn’t the beer and spirits available on the market be extremely harmful substances? Since they are alcoholic beverages, shouldn’t they be evaluated based on ethanol levels, rather than following food industry standards?