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C. DRAWINGS <br /> 1. Sheet 2, Section A, Section C, and Detail 1. Delete geotextile <br /> from above clay layer and below asphalt. <br /> 2. Sheet 3, Detail 3. Delete geotextile from above clay layer and <br /> below asphalt. <br /> 3. Sheet 3, Detail 8. Add stainless steel ring below HDPE pipe <br /> flange to fasten geotextile to riser system as indicated on <br /> Figure 1-AD2, a copy of which is included herewith and numbered <br /> as Page AD2-10. <br /> D. HEALTH AND SAFETY PLAN <br /> Page 1, Second Paragraph, Second Sentence. Change the second sentence <br /> to read as follows: <br /> "The work areas of concern involve work tasks which have <br /> different potentials for the aerosolization of materials, some of <br /> which contain levels of inorganic arsenic, chromium, and copper. " <br /> Page 1, Fourth Paragraph, First Sentence. Change the first sentence <br /> to read as follows: <br /> "This Health and Safety Plan is designed to comply with Title 8, <br /> CCR, paragraph 5214, Inorganic Arsenic, which has the most <br /> restrictive health and safety requirements of the three <br /> contaminants of concern at this site." <br /> Page 7. Change 6.1.1: <br /> SUSPECTED CONTAMINANTS IN SOILS AND SEDIMENTS TO 6.1.1 <br /> CONTAMINANTS IN SOILS AND SEDIMENTS. <br /> Page 8, Section 6.2.1. , EMPLOYEE EXPOSURE MONITORING. Delete second <br /> paragraph and add the following: <br /> "During each excavation activity, at a minimum, the worker with <br /> the highest potential for exposure shall be sampled in the <br /> breathing zone to determine the exposure to arsenic, chromium, <br /> copper, and total particulates. Filter media shall be changed <br /> frequently enough to prevent filter overloading based on visual <br /> examination. Samples will be collected to evaluate an employee's <br /> 8-hour time weighted average exposure. Samples will be analyzed <br /> by a laboratory certified by the American Industrial Hygiene <br /> Association." <br /> AD2-7 <br />