|(a) For each measurement or sample taken, the permittee
shall maintain records of the following information:
(1) the records required in §305.125(11)(C) of
this title (relating to Standard Permit Conditions); and
(2) the technique or method of analysis, including
the results of adequate verifications of analytical precision and/or
accuracy verified by means of the recommended guidelines in the Environmental
Protection Agency manual entitled Handbook
for Analytical Quality Control in Water and Wastewater Laboratories, which
are to be determined on the day the analyses are performed. The permittee
shall meet the quality control requirements specified in §319.6
of this title (relating to Quality Assurance).
(b) The permittee shall be subject to routine inspection
of its compliance with subsection (a) of this section.
(c) All records and information resulting from the
required monitoring activities shall be retained at the facility site
in accordance with §305.125(11)(B) of this title.
(d) Unless otherwise specified in the permit, a discharge
monitoring report or monthly effluent report must be submitted each
month by the 20th day of the following month for each discharge which
is described in the permit whether or not a discharge is made for