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<br />EXHIBIT A <br /> <br />SCOPE OF WORK <br /> <br />A. <br /> <br />SAMPLING <br /> <br />1. <br /> <br />BACTERIOLOGICAL QUALITY <br /> <br />a. Routine: Samples shall be collected by the Consultant, in <br />appropriate sterilized bottles to which a chlorine reducing agent has been <br />properly added, on a weekly basis at 50 designated sample points (Table <br />I). <br /> <br />Total coliform analyses are to conducted using either the multiple tube <br />fermentation method analyzing a minimum of IOO-ml of water either with <br />using 5-tube 20-ml portions or 10-tube 10-ml portions, the membrane <br />filter technique, the presence/absence (P-A) coliform test, or the minimal <br />medium (Coliform) test. <br /> <br />Reporting of positive samples shall be based on the presence or absence of <br />coliforms in each sample rather than an estimation of coliform density. <br /> <br />Upon detecting that either a routine or repeat sample is either total <br />coliform or fecal coliform positive, or a sample is invalidated due to <br />interference problems, the Consultant shall notify the City within twenty- <br />four hours. To complete the notification, consultant must contact a live <br />individual. Voice mail and faxed notifications will only be a secondary <br />means of notification. The appropriate contact person for the City is the <br />Water Quality Inspector at (714) 647-3341. When voice mail is used to <br />leave a message, the Consultant shall contact the City's Dispatch Office at <br />(714) 647-3380 between the hours of 7:00 a.m. and 3:30 p.m. If <br />notification is required during a weekend or holiday, the Water Quality <br />Inspector should be contacted at (714) 346-5579. In addition, a copy of <br />the City's Emergency Notification Plan (Attachment A) is attached. <br /> <br />In the event that the Consultant is unable to contact the City within 24 <br />hours, the Consultant shall notify the Department of Health Services, <br />Drinking Water Field Operations Branch, Santa Ana District, at (714) 558- <br />4410. <br /> <br />Upon detecting that a routine or repeat sample is total coliform positive, <br />the Consultant shall perform a fecal coliform test. <br /> <br />The Consultant shall, within twenty-four hours after notifying the City that <br />a single routine sample is total coliform positive, collect three repeat <br />samples. One shall be from the same total coliform positive sample point. <br />The other two locations shall be determined by the City, one to be located <br />