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PART <br /> Page 6 of 26 <br /> Permit No.:CO0000003 <br /> Monitoring Report(DMR)submitted for the end of the reporting period when the sample was taken.(i.e., WET testing <br /> results for the calendar quarter ending March 31 shall be reported with the DMR due April 28,etc.) The permittee shall <br /> submit all laboratory statistical summary sheets,summaries of the determination of a valid,invalid or inconclusive test, <br /> and copies of the chain of custody forms,along with the DMR for the reporting period. <br /> If a test is considered invalid,the permittee is required to perform additional testing during the monitoring period to <br /> obtain a valid test result. Failure to obtain a valid test result during the monitoring period shall result in a violation of the <br /> permit for failure to monitor. <br /> b. Violations of the Permit Limit,Failure of One Test Statistical Endpoint and Division Notification <br /> A chronic WET test is considered a violation of a permit limitation when both the NOEL and the IC25 are at any effluent <br /> concentration less than the I WC. The I WC for this permit has been determined to be 89%effluent. <br /> A chronic WET test is considered to have failed one of the two statistical endpoints when either the NOEC or the IC25 <br /> are at any effluent concentration less than the I WC. The I WC for this permit has been determined to be 89%effluent. <br /> In the event of a permit violation,or when two consecutive reporting periods have resulted in failure of one of the two <br /> statistical endpoints(regardless of which statistical endpoints are failed),the permittee must provide written notification <br /> to the Division. Such notification should explain whether it was a violation or two consecutive failures of a single <br /> endpoint,and must indicate whether accelerated testing or a Toxicity Identification Evaluation or Toxicity Reduction <br />