Laserfiche WebLink
<br />PART I <br />Page 2 of 19 <br />• <br />C. FOOTNOTES - APPLICABLE TO PRECEDING PAGES <br />a/ - The thirty (30) day average shall be determined by the arithmetic <br />mean of three (3) samples collected is 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 (7) day average shall be determined by the arithmetic mean <br />of a minimum of three samples taken oa separate days is a seven (7) <br />day period. <br />~. I <br />c/ - This limitation shall be determined by a single sample as required by <br />Part I.B. Sample Type. <br />d/ - When the measurement frequency indicated is quarterly, the samples <br />shall be collected during March, Juae, September and December, if a <br />continual discharge occurs. If the discharge is intermittent, then <br />samples shall be collected during the period that discharge occurs. <br />If the permittee, using the approved analytical methods, monitors nay <br />parameter more frequently than required by this permit, then the <br />results of such monitoring shall be included is the calculation and <br />reporting of the values required is the Discharge Monitoring Report <br />Form or other forms as required by the Division. Such increased <br />frequency shall also be indicated. <br />e/ - Definitions of Sample Type <br />1. A "composite" sample, for monitoring requirements, is a minimum <br />of four (4) grab samples collected at equally spaced tsro (2) hour <br />intervals and proportioned according to flow. <br />2. A "grab" sample, for monitoring requirements, is a single "dip <br />and take" sample. <br />3. Aa "instantaneous" measurement, for monitoring requirements, is a <br />single reading, observation, or measurement performed on site. <br />4. A "continuous" measurement, for flow monitoring requirements, is <br />a measurement obtained from as automatic recording device which <br />continually measures flow. <br />5. A "visual" observation, for oil and grease monitoring <br />requirements, is observing the discharge to check for the <br />presence of a visible sheen or floating oil. <br /> <br />Code: i - 16 Date: 1 - 84 <br />