• 4 A 1 SEQUENCE OF EVENTS

    As a technician, you have been asked to collect samples – water and air, from an investigation site. Outline the sequence of events that takes place from the time you drop off the environmental sample at the lab. Be sure to include all of the quality control steps involved in laboratory analysis.Also, answer the following:

    • How does a laboratory determine the method of analysis to use on each of the environmental samples? When arranging for laboratory analysis, why is it important to let the laboratory know as much about your environmental project as possible?
  • Assignment

    4CTI CHARACTERISTICS OF IGNITABILITY

    As a technician, you are assigned the task of collecting SDS from this https://chemicalsafety.com/sds-search/ , for the following substances:

    • benzene
    • kerosene
    • methylene chloride
    • acetone
    • formaldehyde
    • perchloroethylene

    Using the chart and information from the lesson, which of these substances can be considered hazardous based on the characteristics of ignitibility?

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