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Change fourth paragraph to read: <br /> "Results of the air sampling will be made available to the Black <br /> & Veatch Project Manager who will be responsible for ensuring the <br /> appropriate air sampling is performed under the direction of a <br /> Certified Industrial Hygienist." <br /> Page 8-9, Section 6.2.2, PERIMETER AIR MONITORING. Change second <br /> paragraph to read as follows: <br /> "Perimeter air samples shall be collected before work begins to <br /> establish a baseline airborne contaminant level. Perimeter air <br /> samples will be collected daily during operations involving the <br /> excavations and stabilization of contaminated soils and sediments <br /> from within the surface impoundment and the north areas. Air <br /> samples will be collected on mixed cellulose ester membrane <br /> filters and will be analyzed for arsenic, chromium, and copper. <br /> Samples for total particulates will be collected on polyvinyl <br /> chloride filters. <br /> Results of the air sampling will be made available to the Black & <br /> Veatch Project Manager who will be responsible for ensuring that <br /> the required perimeter sampling is being performed. " <br /> Page 9, Section 6.2, POTENTIAL PHYSICAL HAZARDS. Add: <br /> o Heat Stress, Refer to Section 9.15. <br /> Page 13. Change last sentence in first paragraph to read: <br /> "Respiratory protection will be required in each restricted work <br /> area until the air monitoring results indicate that the airborne <br /> levels of chromium, arsenic, and copper are below their action <br /> levels." <br /> Change second paragraph to read: <br /> "Personal protective equipment such as gloves, coveralls, or <br /> respirators shall continue to be required wherever there is a <br /> potential for direct contact with suspected contamination. <br /> Changes in the required personal protective equipment will be <br /> based on field observations, the results of air monitoring <br /> conducted in accordance with Section 6.2, and other contributing <br /> factors. If air monitoring results show the airborne co <br /> concentrations of arsenic, chromium, or copper to be more than <br /> ten times above their respective permissible exposure limits then <br /> Level B protection will be implemented by the Project Manager." <br /> Page 18, Section 9.8.2, 3rd Line. Change the word "reduce" to <br /> "minimize,, <br /> AD2-8 <br />