Laserfiche WebLink
(p) General Standards for Reports <br />(1) Analytical Requirements <br />All pollutant analyses, including sampling techniques, to be <br />submitted as part of a wastewater discharge permit application or report <br />shall be performed in accordance with the techniques prescribed in 40 <br />CFR Part 136 and amendments thereto, unless otherwise specified in an <br />applicable categorical Pretreatment Standard. If 40 CFR Part 136 does not <br />contain sampling or analytical techniques for the pollutant in question, or <br />where the EPA determines that the Part 136 sampling and analytical <br />techniques are inappropriate for the pollutant in question, sampling and <br />analyses shall be performed by using validated analytical methods or any <br />other applicable sampling and analytical procedures, including procedures <br />suggested by the Director or other parties approved by EPA.The Director <br />may require more sensitive analysis if reported pollutant concentrations <br />are not sufficient to determine compliance with Pretreatment Standards or <br />to determine if such Standards are necessary. <br />(2) Sample Collection <br />(w) Bypass <br />b. Except as indicated in Sections 3 c and 4 d below, the <br />User must collect samples using 24 -hour flow proportional <br />composite sampling techniques unless time - proportional composite <br />sampling or grab sampling is authorized by the Director. Where <br />time - proportional composite sampling or grab sampling is <br />authorized by the Director, the samples must be representative of <br />the discharge Using Y ' � ' ' a appropriate preservation) <br />on) <br />speeified in 40 CFR Paft 136 and appropriate EPA guidanee, <br />multiple grab samples eelleeted during a 24 hetir- period may be <br />, <br />total h 1 d sulfides the samples may 'tee c exited in the <br />1 1. field; eld; t olat,ile .1.. ...1 it <br />and grease, the samples may be eemposited in the laberateff. Grab <br />�bn mY� .. <br />samples may be required to she.., n pl;awe -with histantaneous <br />Imes. <br />E <br />