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. .. .. <br />.. .: .. .. <br />• <br />INTEF-OFFICE ME.`10RA:~IDLTM1 <br />To: Jack O~,ren <br />~ DATE: 03-15-82 <br />FRO:t: John Joerns, Engineering De ~.., <br />,~ <br />SUBJECT: Amendment of Ordinance X1221 (industrial Waste Ordinance) <br />Reference Memo dated 03-03-8 end Council Minutes of 03-03-82 <br />The section of Ordinance T1221 to be amended is Sect. 17 (c). ~'- <br />The only portion of 17 (c) affected is the surcharge formula and <br />its associated definitions. <br />To Be Deleted <br />IBS = V [ 0.085 (BOD-250) + 0.056 (SS-300)] <br />ISS - Industrial Waste Surcharge~in Dollars <br />V - Volume Discharged in Thousand Gallons <br />BOD - Five Day at 20° C BOC of the Industrial Waste {mg/1) <br />SS -Suspended Solids of the Industrial Waste (mg/1) <br />And Replaced 41ith <br />Iss = (2°a + 300 ) x (o & r~ cost) x (vol) <br />ISS - Industrial Waste Surcharge in Dollars <br />80D1- Five Day at 20° C BOD of the Industrial Waste (mg/1) <br />SS2 - Suspended Solids of th <br />e Industrial Waste (mg/1) <br />0 & ht Costa- Operations and Maintenance-Cost of La Porte's <br />4Jastewater Treatment Facility (s) <br />Vol - Volume Discharged in Thousand Gallons <br />iNote: for concentrations less than or equal <br />to 250 mg/1 the value of BOD shall be <br />considered zero. <br />2Note: for concentrations less than or equal <br />to 300 mg/1 the value of SS shall be <br />considered zero. <br />~~ l~ <br />