下载本文档
版权说明:本文档由用户提供并上传,收益归属内容提供方,若内容存在侵权,请进行举报或认领
文档简介
1、National Fire Protection Association (NFPA)Chemical Hazard Identification SystemThis system is based on the NFPA 704M Hazard Identification system which utilizes a four color diamond label and 0-4 numerical hazard rating. The Diamond has an area for health hazards (blue) and area for flammability ha
2、zards (red), an area for reactivity hazards (yellow), and an area for special hazard notations.Health - Numerical Rating:0 - Minimal hazardMedian Lethal Dose (LD50) Rat, oral 2,000 mg/kg, or Rabbit, skin 2,000 mg/kg, or Rat LC50 inhalation of gas or vapor 10,000 ppm, or mist, fume, or dust 200,000 m
3、g/m3 for one hour.1 - Slightly hazardous; Mild IrritantMedian Lethal Dose (LD50) Rat, oral 500 mg/kg, but 1,000 mg/kg, but 5,000 ppm, but10,000 mg/m3,but 50 mg/kg, but 200 mg/kg, but 3,000 ppm, but2,000 mg/m3,but 5 mg/kg, but 50 mg/kg, but 1,000 ppm, but500 mg/m3,but 2,000 mg/m3 for one hour.4 - Acu
4、tely Toxic. Deadly. Considered a Poison.Median Lethal Dose (LD50) Rat, oral 5 mg/kg, or Rabbit, skin 50 mg/kg, or Rat LC50 inhalation of gas or vapor 1,000 ppm, ormist, fume, or dust 200 F (79.1 C)2 - Flash Point = 100-200 F (37.8-79.1 C)3 - Flash Point = 73-100 F (23-37.8 C) or 100 F (37.8 C)4 - Fl
5、ash Point 73 F (23 C) and Boiling Point 100 F (37.8 C)Reactivity - Numbering Guidelines:0 - Minimal Hazard. Materials that are normally stable and are not water reactive.1 - Slight Hazard. Materials, which can become unstable at elevated temperatures or which may react with water with the release of
6、 some energy, but not violently.2 - Moderate Hazard. Materials, which are normally unstable and readily undergo violent chemical reaction, but which do not detonate. This includes materials, which react violently with water.3 - Serious Hazard. Materials which are of themselves detonable, but which r
7、equire a strong initiating force or which must be heated under confinement or are sensitive to thermal or mechanical shock at elevated temperatures or which react explosively with water.4 - Severe Hazard. Materials which in themselves can detonate at normal temperature and pressure, including those
8、which are sensitive to thermal or mechanical shock at normal temperature and pressure.Hazard Code Criteria:If the bottom square is blank, the kit or component contains materials with no special hazards.CA - Carcinogen. This kit contains a reagent which has more than 0.1% of a chemical regarded as a
9、potential or known carcinogen. A material is considered a carcinogen if it either causes cancer in humans, or, because it causes cancer in animals, is considered capable of causing cancer in humans. A material is considered a carcinogen if:1. The International Agency for Research on Cancer (IARC) ha
10、s evaluated and found it a carcinogen or potential carcinogen;2. The National Toxicology Programs (NTP) Annual Report on Carcinogens lists it as a carcinogen or potential carcinogen;3. OSHA regulates it as a carcinogen;4. One positive study has been published.CO - Corrosive. One or all of the reagen
11、ts may be considered corrosive. A corrosive is a chemical that causes visible destruction of or irreversible alterations in living tissue by chemical action at the site of contact, or which causes a severe corrosion rate in steel or aluminum.I - Irritant. One or all of the reagents contain a chemica
12、l, which may be irritating to the eyes, skin, and/or upper respiratory tract. An irritant is a non-corrosive material that causes a reversible inflammatory effect on living tissue by chemical action at the site of contact as a function of concentration or duration of exposure. A substance capable of
13、 causing a reversible or irreversible inflammatory effect to the skin, eyes, nose, throat, or lungs.Ox - Oxidizer. The Department of Transportation (DOT) defines an oxidizer or oxidizing material as a substance that yields oxygen readily to cause or enhance the combustion (oxidation) of other materi
14、als.PB - Blood Product. One or all of the reagents has human blood, human blood components, or products made from human blood and should be considered a potential biohazard.T - Toxic. One or all of the reagents in the kit are toxic. Please refer to definitions of health hazard data for further expla
15、nation.S - Sensitizer. The kit contains a substance that on first exposure causes little or no reaction in humans or test animals, but upon repeated exposure may cause a marked response not necessarily limited to the contact site. Skin sensitization is the most common form. Respiratory sensitization to a few chemicals also occurs.W - Water Reactive. This symbol normally has a straight line drawn horizontally through the middle. However, our database can not support this sym
温馨提示
- 1. 本站所有资源如无特殊说明,都需要本地电脑安装OFFICE2007和PDF阅读器。图纸软件为CAD,CAXA,PROE,UG,SolidWorks等.压缩文件请下载最新的WinRAR软件解压。
- 2. 本站的文档不包含任何第三方提供的附件图纸等,如果需要附件,请联系上传者。文件的所有权益归上传用户所有。
- 3. 本站RAR压缩包中若带图纸,网页内容里面会有图纸预览,若没有图纸预览就没有图纸。
- 4. 未经权益所有人同意不得将文件中的内容挪作商业或盈利用途。
- 5. 人人文库网仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对用户上传分享的文档内容本身不做任何修改或编辑,并不能对任何下载内容负责。
- 6. 下载文件中如有侵权或不适当内容,请与我们联系,我们立即纠正。
- 7. 本站不保证下载资源的准确性、安全性和完整性, 同时也不承担用户因使用这些下载资源对自己和他人造成任何形式的伤害或损失。
最新文档
- 中考化学第一轮考点系统复习第十单元酸和碱市公开课一等奖市赛课金奖课件
- 地理要素的显示和标注课件市公开课一等奖省赛课微课金奖课件
- 高三生物复习第三单元种群和群落第一讲种群的特征和数量变化课件省公开课一等奖新名师获奖课件
- 必修三知识竞赛省公开课金奖全国赛课一等奖微课获奖课件
- 《开心智趣园》产品介绍省公开课金奖全国赛课一等奖微课获奖课件
- 土地租赁承包合同书
- 病退申请书(14篇)
- 平行四边形的性质2平行线之间的距离市公开课一等奖省赛课微课金奖课件
- 2023年投标述标演讲稿范文
- 2023年职业卫生技术服务机构定期检测报告检查表
- 电阻计算公式
- 最新部编版六年级语文下册第六单元教材分析
- 关于电的小知识(低年级小学生科普材料)(课堂PPT)
- 配电箱使用说明书
- VBA-API函数大全
- 工商管理本科专业课程
- 教师网络学习心得
- 闭式冷却塔热力和阻力计算
- 篮式滤器内件设计计算
- 微电网项目可行性研究报告写作范文
- JJF1590-2016差压式流量计型式评价大纲
评论
0/150
提交评论