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PAn'r I <br />C Page 2 of 19 <br />C. FOOTaOTES - APPLICABLE :0 P3ECEDIVG PAGES <br />a/ - The thirty (30) day average shall be determined by the arithmetic <br />mean of Chree (3) samples collected in separate calendar weeks during <br />a thirty (30) consecutive-day period with a minimum of 20 days <br />occurring between the first and last sample days. <br />b/ - The seven (i) day average shall be determined by the arithmetic wean <br />of a ainiWun of three samples taken on sanarate days in a seven (7) <br />day period. <br />c/ - This limitation shrill be determined by a single sample as required by <br />Part I.3. Samole Type. <br />d/ - When the measurement frequency indicated is quarterly, the samples <br />shall be collected during March, tune, September and Decnnber, if a <br />continual discharge occurs. if the discharge is intarvittent, then <br />samples shall be collected during the oeriod that discharge occurs. <br />If th>_ pernittee, using the aoproved analytical vetF.ods, vomiters any <br />parameter yore frequently than required by this p~rnit, t}:en the <br />results of such monito=lro shall be included in the calcu'_ation ar.d <br />reporting of the valu._s required is the Disc::arge :Monitoring aupo-t <br />corn or other forces as required by tF.e Division. Such increased <br />- - frequency shall also be indicated. <br />e/ - Definitions of Sample Type <br />1. A "composite" savple, for ^onitoring requirevents, is a v.'-n?mi^ <br />of four (4) grab samples collacte~i at equally spaced t::o (=) ho u:• <br />intervals and proportioned accoreino to flow. <br />2. A "grab" savple, for monitorir,~ requirevents, is a si;q_e "dio <br />- and take" savple. <br />3. An "instantaneous" veasurevent, for monitoring requirever.[s, is a <br />single reading, obser•:atien, or measurevent Fe rc-Ved on site. <br />4. A "continuous" measurevent, for flow monitorin; ro;u_reverts is <br />a measurevent obtained frcm an automatic recording device shish <br />continually measures flow. <br />5. A "visual" observation, Eor oil and groase uor.itor`_ar, <br />requirevents, is observing the discharge to check ter the <br />presence of a visible sheen or floating oil. <br />6. An "in-situ" measurement, for monito rind requirements, is defined <br />as a single reading, observation or measurement ta.len in the <br />( field at the point of discharge. <br />Code: 1 - 16. Dace: 1 - 84 <br />