Minnesota Administrative Rules
Agency 167 - Pollution Control Agency
Chapter 7083 - SSTS CREDENTIALING AND PRODUCT REGISTRATION
PRODUCT REGISTRATION
Part 7083.4020 - TEST RESULTS REPORTING REQUIREMENTS FOR PROPRIETARY TREATMENT PRODUCTS
Universal Citation: MN Rules 7083.4020
Current through Register Vol. 49, No. 13, September 23, 2024
TABLE II
| Treatment component/sequence category | Testing results reported |
| Category A: Designed to treat sewage with strength typical of a residential source when septic tank effluent is anticipated to be equal to or less than treatment level C (Table III, part 7083.4030) | Report test results for influent and effluent sampling obtained throughout the testing period for evaluation of consistent reduction for the parameters CBOD5 and TSS: |
| - Average | |
| - Minimum | |
| - Median | |
| - 30-day average (each month) | |
| - Standard deviation | |
| - Maximum | |
| - Interquartile range. | |
| For bacteriological reduction performance, report fecal coliform test results of influent and effluent sampling by geometric mean from samples drawn within 30-day or monthly calendar periods, obtained from a minimum of three samples per week throughout the testing period. See part 7083.4060. Test report must also include the individual results of all samples drawn throughout the test period. | |
| Category B: Designed to treat high-strength sewage when septic tank effluent is anticipated to be greater than treatment level C (Table III, part 7083.4030), including restaurants, grocery stores, mini-marts, group homes, medical clinics, residences, etc. | Report all individual test results and full test average values of influent and effluent sampling obtained throughout the testing period for CBOD5, TSS, and oil and grease. Report the treatment capacity of the product tested in pounds per day for CBOD5. |
| Total nitrogen and phosphorus reduction in Categories A and B | Report test results on all required performance criteria according to the format prescribed in the test protocol described in Table I, part 7083.4010. |
Statutory Authority: MS s 115.03; 115.55
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