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9.4.2 ,Color,odor,oily film,and foam 1) Perform maintenance on the system; reinitiate ? system start-up procedures, and restart the 9.4.2.1 General performance testing and evaluation; or The effluent composite some- les shall be diluted 1:1000 2)With no routine maintenanc7e=performed, have the with distilled water. Three cotnpcmits effluent:samples system brought back to pre-existing conditions and shall be tested during the B-month,eveluation period:: resume testing within 3 weeks after the site problem t has been identified and corrected. Data collected' 9.4.2.2 Color during the system recovery period shall be excluded from 7-day -and 30-dayT' averages of effluent The apparent color of the diluted effluent samples shall measurements. be determined with the visual comparison method described in APHXa Standard Methods, iof the NOTE — Pre-existing:conditions shall be defined as the point when the results of 3 consecutive data days are within Examination of Water and Westewafer, :eighteenth point of the previous 30-d4y aveWe(s). edition. 9.4.2.3 Odor 9.5.1 3,•,�7-day average discharge value shall consist of a minimum of 3 data days, .if a calendar week contains A panel consisting.; of at least evaluators =shall' less ,than 3 data,.days,,.suf€ciw# data days may be qualitatively rate°200+mL aliquots of the dHuted'effluent transferred...from ,the preceding .calendar week. to constitute a 7-day average disgharge value. If.0wre are samples as offensive or non=offiensive when cwmpared not sufficient data days available ,fin the preceding._ to odor-free water prepared in accordance with APHA's calendar.week,the transfer of data days may.take place Standard Methods for the Examination of Water and from the follow17 .ing calendar week to constitute a,7-day Wastewater. : T average discharge value. No data day shall be included 9.4.2A Oily flim artel foam in more than one 7-day average discharge value. Diluted effluent sample aliquots "I t» visually 9.5.1.4 A 30-day average discharge value shall consist of a minimum of 5094 of the regularly scheduled sampling evaluated for the presence of an oily film or foaming. days per morltt.L If a calendar Tong contains less than 9.5 Criteria the required.number of data days, sufficient data days.. may be transferrdd ffom .the p.reg ing calendar.month 9.3.4± General toconstitute onstitute a 30-0ay ay"gedischarge avalue. If there are not sufficient dpta days avers in the preceding , 9.5.1.1 If conditions during the testing and avaluaftvr cedar month,,the transfer of a days may take place period result in system upset, improper sampling, from the 6Ioacuig calendar month taconstitute am30-day. improper dosing,or influent characteristics outside of the averse discharge value.,No daft day shall be included s in,9:2.1, an"assessment shall be, in more than one 30-day average discharge value. ranges p�� conducted to determine;the extent to which these"' 9,5.1.5 During the stress loading sequence,consisting of conditicns sdvereely'eftbdeid�,the petfvrmance Vthe ' wash-day,working-parent,power/equipment failure, and system. Based an this assessment;speclflc'data pints vacation stress loading periods,;data shall be collected nd may be ey4uded from the 7-day a3""averages of from a minimum of % of the total scheduled sampling effluent measurements.'Rationale for all data exclusions daY&and."At least 2 of:the.scheduled sampling days shall be documented krthe final report. during Any single stress loading period. 9.5.1.2 In the event that a catastrophic site problem not 9,5.2 Class I systems described in this standard includingARlit not limited td, influent characteristics, malfunctions of test apparatus, The following criteria:shall Wmet in order for a system and acts of God, jeopardizes the .vandIV• of thb to be classified as a;Class i residential wastewater performance testing and evaluation,manufacturers shall treatment system. All requirements for each parameter be.givertthe choice to: shall be. achiexed eaoept as.pmvided)fbr ire:Section " 9.5.2.2. 99/161201510130 This riort may not be moroduced-tn whae or in part Page,30 of 49 Final Report witho6tthe joxpresaed written consent of F lnternafional. April'20<70 `