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ATCP 65.80(1)(b) (b) No test record may be altered except that errors, if any, may be corrected by marking a single line through the original entry and inserting the correct entry immediately adjacent to the original. A corrected entry shall be initialed by the person who made the corrected entry.
ATCP 65.80(1)(c) (c) The division may authorize a dairy plant to keep test records in electronic form if the division finds that all of the following requirements are met:
ATCP 65.80(1)(c)1. 1. The records are effectively secured against loss or tampering.
ATCP 65.80(1)(c)2. 2. The records can be readily retrieved for inspection by the dairy plant operator and the division.
ATCP 65.80(1)(c)3. 3. The person who performs the test identifies himself or herself on the test record, by an electronic method that is equivalent to a personal signature.
ATCP 65.80(1)(c)4. 4. If an erroneous test record is corrected, the correction is identified so that the reader can easily compare the corrected record to the original record.
ATCP 65.80(2) (2)Records retained by dairy plant operator. A dairy plant operator shall retain records required under this section for the time period specified under s. ATCP 65.44 and shall make the records available for inspection and copying by the division upon request.
ATCP 65.80 History History: CR 14-073: cr. Register August 2016 No. 728, eff. 9-1-16.
ATCP 65.82 ATCP 65.82 False samples, test results or reports. No person may do any of the following or conspire with another person to do any of the following:
ATCP 65.82(1) (1)Falsely identify milk samples.
ATCP 65.82(2) (2)Submit a false milk sample to the department, a dairy plant operator, or a testing laboratory.
ATCP 65.82(3) (3)Falsify any milk quality test or test result.
ATCP 65.82(4) (4)Make any false or misleading record or report related to a milk quality test.
ATCP 65.82(5) (5)Withhold any milk quality test report required under this chapter.
ATCP 65.82 History History: CR 14-073: cr. Register August 2016 No. 728, eff. 9-1-16.
ATCP 65.84 ATCP 65.84 Milk component testing.
ATCP 65.84(1)(1)Licensing of person performing test. No person may perform any milk component test unless that person is licensed to perform milk component tests, either as a buttermaker or cheesemaker under s. 97.17, Stats., or as a milk and cream tester under s. 98.145, Stats.
ATCP 65.84(2) (2)Qualification of person using automated testing device. No person may use an automated testing device to perform any milk component test unless that person is trained and qualified to use automated testing devices, and that fact is stated on his or her license under s. 97.17 or 98.145, Stats.
ATCP 65.84(3) (3)Payment based on milk component tests. No dairy plant operator, including a milk contractor that submits a milk producer license application on behalf of a milk producer and thereby certifies that the milk producer's dairy farm and milking operations comply with applicable requirements under this chapter, may adjust the price paid to any milk producer based on the results of any milk component test or somatic cell test unless the dairy plant operator does all of the following:
ATCP 65.84(3)(a) (a) Bases the price adjustment on either the arithmetic or weighted average of all test results obtained for that producer during the pay period to which the price adjustment applies. The dairy plant operator shall use the same method for computing average test results for all producers shipping milk to the dairy plant.
ATCP 65.84(3)(b) (b) Tests at least 3 milk shipments from that producer at regular intervals throughout the pay period to which the price adjustment applies or tests composite samples representing all milk shipments from that milk producer during that pay period.
ATCP 65.84 History History: CR 14-073: cr. Register August 2016 No. 728, eff. 9-1-16.
ATCP 65.86 ATCP 65.86 Milk component test methods.
ATCP 65.86(1)(1)General. Milk component tests shall be performed using any of the following methods, subject to additional requirements under sub. (2) and (3):
ATCP 65.86(1)(a) (a) A method described in the American Public Health Association., “Standard Methods for the Examination of Dairy Products," 17th edition (2004).
ATCP 65.86(1)(b) (b) A method described in the “Official Methods of Analysis of AOAC International," 18th edition (2005).
ATCP 65.86(1)(c) (c) A method approved in writing by the division.
ATCP 65.86 Note Note: A “milk component test," as defined under s. ATCP 65.01 (35), means a test that determines the amount of milkfat, protein, total solids, solids-not-fat, or other valuable components in milk, and that may affect the price that a dairy plant operator or milk contractor pays a milk producer for milk.
ATCP 65.86 Note The American Public Health Association's "Standard Methods for the Examination of Dairy Products," 17th edition (2004), is on file with the division and the legislative reference bureau. Copies may be obtained from the American Public Health Association, 800 I Street, NW, Washington, D.C. 20001, telephone 202-777-2742, website www.apha.org.
ATCP 65.86 Note The “Official Methods of Analysis of AOAC International," 18th Edition (2005), is on file with the division and the legislative reference bureau. Copies may be obtained from AOAC International, 2275 Research Blvd., Rockville, MD 20850, telephone 800-379-2622, website https://www.aoac.org .
ATCP 65.86(2) (2)Milkfat test methods.
ATCP 65.86(2)(a) (a) Milkfat tests shall be performed using the Babcock method, the ether extraction method, or another test method approved by the division. Babcock and ether extraction tests shall be conducted according to the “Official Methods of Analysis of the Association of Official Analytical Chemists (AOAC) International," 17th edition (2000), except as provided under par. (b).
ATCP 65.86(2)(b) (b) Each milk sample tested by the Babcock method shall be agitated for at least 3 minutes by the use of a mechanical agitator after pipetting the sample and adding sulfuric acid according to the procedure prescribed under par. (a). A reading device, such as a needlepoint divider or other mechanical divider, that accurately determines milkfat level in a test bottle shall be used in reading all Babcock tests. All Babcock test readings shall be made against a light-colored surface with adequate natural or artificial light. The Babcock test shall be read to the nearest 0.05% by weight.
ATCP 65.86(3) (3)Automated milk component testing devices.
ATCP 65.86(3)(a)(a) General calibration requirements. If an automated testing device is used to perform a milk component test for any milk component, that device shall be calibrated and regularly checked to ensure that it accurately tests for that milk component.
ATCP 65.86(3)(b) (b) Specific calibration requirements. If an automated testing device is used to test for milkfat, protein, total solids, or solids-not-fat in milk, and if the test results may affect the price paid to a milk producer, the testing device shall be calibrated according to this paragraph. The testing device shall be calibrated, for each relevant milk component, by a tester who is licensed under s. 97.17 or 98.145, Stats., to operate that device.
ATCP 65.86 Note Note: See s. ATCP 65.78 (2).
ATCP 65.86(3)(b)1. 1. `Calibration frequency'. A milk component testing device under par. (b) shall be calibrated at all of the following times:
ATCP 65.86(3)(b)1.a. a. Upon installation.
ATCP 65.86(3)(b)1.b. b. At regular 3 month intervals after installation.
ATCP 65.86(3)(b)1.c. c. Immediately after every significant repair or alteration to the testing device.
ATCP 65.86(3)(b)1.d. d. Whenever the mean difference on a daily performance check under par. (c) exceeds plus or minus 0.044% for milkfat or protein or plus or minus 0.084% for total solids or solids-not-fat.
ATCP 65.86(3)(b)2. 2. `Calibration procedure'. To calibrate a milk component testing device under par. (b), a tester shall use the device to test a set of calibration samples under subd. 3. The milk component testing device shall be adjusted, as necessary, to satisfy all of the following requirements:
ATCP 65.86(3)(b)2.a. a. The performance error on each calibration sample shall be as near as practicable to zero. The performance error is the difference between the known percentage content of each milk component in the calibration sample, as determined by the sample provider, and the percentage content measured by the testing device.
ATCP 65.86(3)(b)2.b. b. The mean difference for the entire set of calibration samples shall be as near as practicable to zero and shall not exceed plus or minus 0.044% for milkfat or protein or plus or minus 0.084% for total solids or solids-not-fat. The mean difference is the sum of the performance errors for the individual calibration samples divided by the number of samples in the set.
ATCP 65.86(3)(b)2.c. c. The standard deviation of test results, calculated for the set of calibration samples according to the formula set forth in the “Official Methods of Analysis of AOAC International," 18th edition (2005), section 969.16, shall not exceed 0.044% for milkfat or protein, or 0.084% for total solids or solids-not-fat.
ATCP 65.86 Note Note: The “Official Methods of Analysis of AOAC International," 18th edition (2005), is on file with the division and the legislative reference bureau, and may be obtained from AOAC International, 2275 Research Blvd., Rockville, MD 20850, website https://www.aoac.org .
ATCP 65.86(3)(b)3. 3. `Calibration samples'. A set of calibration samples shall be obtained from a sample provider approved by the division. A set of calibration samples shall consist of at least 12 individual samples, each of which complies with all of the following requirements:
ATCP 65.86(3)(b)3.a. a. Each sample shall be not more than 21 days old.
ATCP 65.86(3)(b)3.b. b. Each sample shall be a fresh milk sample preserved with bronopol (2-bromo-2-nitro-1, 3-propanediol) or another approved preservative. Preservative methods, formulations, and concentrations shall be approved by the division.
ATCP 65.86(3)(b)3.c. c. Each sample shall have a known percentage content of each relevant milk component determined by the sample provider under pars. (e) to (h).
ATCP 65.86(3)(c) (c) Daily performance check.
ATCP 65.86(3)(c)1.1. If an automated testing device is used to test for milkfat, protein, total solids, or solids-not-fat in milk, and if the test results may affect the price paid to a milk producer, the device shall be subjected to a daily performance check before each day's testing. The daily performance check shall be conducted, for each relevant milk component, by a tester who is licensed under s. 97.17 or 98.145, Stats., to operate the testing device.
ATCP 65.86(3)(c)2. 2. To conduct a daily performance check under subd. 1., a tester shall test a set of daily performance check samples under subd. 4. Based on the daily performance check, the tester shall do all of the following:
ATCP 65.86(3)(c)2.a. a. Determine the performance error of the testing device with respect to each daily performance check sample. The performance error is the difference between the known percentage content of each milk component in that sample, as determined by the sample provider, and the percentage content measured by the testing device.
ATCP 65.86(3)(c)2.b. b. Based on the performance errors for the individual samples under subdivision paragraph a, calculate the mean difference for the set of daily performance check samples. The mean difference is the sum of the performance errors for the individual samples, divided by the number of samples in the set.
ATCP 65.86(3)(c)3. 3. If, on a daily performance check under subd. 1., the mean difference calculated under sub. (2) (b) exceeds plus or minus 0.044% for milkfat or protein or plus or minus 0.084% for total solids or solids-not-fat the testing device shall not be used until it is recalibrated under par. (b).
ATCP 65.86(3)(c)4. 4. A set of daily performance check samples shall be obtained from a sample provider approved by the division. A set shall consist of at least 5 individual samples, each of which complies with all of the following requirements:
ATCP 65.86(3)(c)4.a. a. Each sample shall be not more than 21 days old.
ATCP 65.86(3)(c)4.b. b. Each sample shall be a fresh milk sample preserved with bronopol (2-bromo-2-nitro-1, 3-propanediol) or another approved preservative. Preservative methods, formulations, and concentrations shall be approved by the department.
ATCP 65.86(3)(c)4.c. c. Each sample shall have a known percentage content of each relevant milk component, determined by the sample provider under pars. (e) to (h).
ATCP 65.86(3)(d) (d) Reference checks.
ATCP 65.86(3)(d)1.1. If an automated testing device is used to test for milkfat, protein, total solids, or solids-not-fat in milk, and if the test results may affect the price paid to a milk producer, that device shall be subjected to a daily reference check under subd. 2 and hourly reference checks under subd. 3.
ATCP 65.86(3)(d)2. 2. A daily reference check required under subd. 1 shall be done in accordance with all of the following requirements:
ATCP 65.86(3)(d)2.a. a. A daily reference check shall be conducted before each day's testing, at the same time that the dairy plant operator conducts the daily performance check under par. (c). The daily reference check shall be conducted, for each relevant milk component by a tester who is licensed under s. 97.17 or 98.145, Stats., to operate the testing device.
ATCP 65.86(3)(d)2.b. b. To perform a daily reference check, a tester shall perform 10 tests on a reference sample. The reference sample may be a homogenized milk sample prepared by the dairy plant operator, or it may be a daily performance check sample obtained from a sample provider approved by the department under par. (c) 4. The 10 test results shall be averaged and the average result shall be used as a comparison value for the hourly reference checks under subd. 3.
ATCP 65.86(3)(d)3. 3. An hourly reference check required under subd. 1 shall be done in accordance with all of the following requirements:
ATCP 65.86(3)(d)3.a. a. An hourly reference check shall be conducted for each milk component before each hour's testing for that component. To conduct an hourly reference check, a tester shall test the same reference sample used for the daily reference check under subd. 2.
ATCP 65.86(3)(d)3.b. b. For each relevant milk component the hourly reference check result shall be compared to the average result obtained on the daily reference check under subd. 2. If an hourly reference check result differs from the average result on the daily reference check by more than 0.034% for milkfat or protein or 0.064% for total solids or solids-not-fat, the testing device shall not be used until the condition causing the difference is found and corrected. Test results obtained before the device is corrected, and after the last previous conforming reference check, shall not be used in determining the amount paid to milk producers.
ATCP 65.86(3)(e) (e) Calibration and daily performance check samples; milkfat contents.
ATCP 65.86(3)(e)1.1. The provider of a calibration sample under par. (b) or a daily performance check sample under par. (c) shall determine the known percentage content of milkfat in that sample by averaging the results of 3 milkfat tests using a method specified under subd. 4. The percentage milkfat results from those 3 milkfat tests shall not vary by more than 0.034 percentage points.
ATCP 65.86(3)(e)2. 2. The known milkfat content of a calibration sample, expressed as a percentage of the sample weight, shall be at least 2.5%. Within a set of calibration samples, the difference in known milkfat content between the lowest milkfat sample and the highest milkfat sample, expressed as a percentage of average sample weight, shall be at least 2.5%.
ATCP 65.86(3)(e)3. 3. The known milkfat content of a daily performance check sample, expressed as a percentage of the sample weight, shall be at least 2.8%. Within a set of daily performance check samples, the difference in known milkfat content between the lowest milkfat sample and the highest milkfat sample, expressed as a percentage of average sample weight, shall be at least 1.5%.
ATCP 65.86(3)(e)4. 4. To determine the milkfat content of a calibration sample or daily performance check sample, the sample provider shall use either a manual or robotic version of the Modified Mojonnier method as described in the "Official Methods of Analysis of AOAC International," 18th edition (2005), section 989.05.
ATCP 65.86 Note Note: The “Official Methods of Analysis of AOAC International," 18th edition (2005), is on file with the division and the legislative reference bureau, and may be obtained from AOAC International, 2275 Research Blvd., Rockville, MD 20850, website https://www.aoac.org .
ATCP 65.86(3)(f) (f) Calibration and daily performance check samples; protein contents.
ATCP 65.86(3)(f)1.1. The provider of a calibration sample under par. (b) or a daily performance check sample under par. (c) shall determine the known percentage content of protein in that sample by averaging the results of 3 protein tests using the method specified under subd. 3. The percentage protein results from those 3 tests shall not vary by more than 0.034 percentage points.
ATCP 65.86(3)(f)2. 2. The known protein content of a calibration or daily performance check sample, expressed as a percentage of sample weight, shall be at least 2.7%. Within a set of calibration samples, the difference in known protein content between the lowest protein sample and the highest protein sample, expressed as a percentage of average sample weight, shall be at least 0.7%. Within a set of daily performance check samples, the difference in known protein content between the lowest protein sample and the highest protein sample, expressed as a percentage of average sample weight, shall be at least 0.5%.
ATCP 65.86(3)(f)3. 3. To determine the protein content of a calibration sample or daily performance check sample, the sample provider shall use the traditional or block digester/steam distillation Kjeldahl method as described in the “Official Methods of Analysis of AOAC International," 18th edition (2005), section 991.20.
ATCP 65.86 Note Note: The “Official Methods of Analysis of AOAC International," 18th edition (2005), is on file with the division and the legislative reference bureau, and may be obtained from AOAC International, 2275 Research Blvd., Rockville, MD 20850, website https://www.aoac.org .
ATCP 65.86(3)(g) (g) Calibration and daily performance check samples; total solids.
ATCP 65.86(3)(g)1.1. The provider of a calibration sample under par. (b) or a daily performance check sample under par. (c) shall determine the known percentage content of total solids in that sample by averaging the results of 3 total solids tests using the method specified under subd. 3. The percentage total solids results from those 3 tests shall not vary by more than 0.054 percentage points.
ATCP 65.86(3)(g)2. 2. The known total solids content of a calibration or daily performance check sample, expressed as a percentage of sample weight, shall be at least 11%. Within a set of calibration samples, the difference in known total solids content between the lowest total solids sample and the highest total solids sample, expressed as a percentage of average sample weight, shall be at least 2.00%. Within a set of daily performance check samples, the difference in known total solids content between the lowest total solids sample and the highest total solids sample, expressed as a percentage of average sample weight, shall be at least 1.5%.
ATCP 65.86(3)(g)3. 3. To determine the total solids content of a calibration sample or daily performance check sample, the sample provider shall use the direct forced air oven drying method as described in the “Official Methods of Analysis of AOAC International," 18th edition (2005), section 990.20.
ATCP 65.86 Note Note: The “Official Methods of Analysis of AOAC International," 18th edition (2005), is on file with the division and the legislative reference bureau, and may be obtained from AOAC International, 2275 Research Blvd., Rockville, MD 20850, website https://www.aoac.org .
ATCP 65.86(3)(h) (h) Calibration and daily performance check samples; solids-not-fat. The provider of a calibration sample under par. b or a daily performance check sample under par. (c) shall calculate the known percentage content of solids-not-fat in that sample by subtracting the percent milkfat as determined under par. (e) from the total solids for that sample as determined under par. (g). The calculation method shall be that described in the “Official Methods of Analysis of AOAC International," 18th edition (2005), section 990.21.
ATCP 65.86 Note Note: The “Official Methods of Analysis of AOAC International," 18th edition (2005), is on file with the division and the legislative reference bureau, and may be obtained from AOAC International, 2275 Research Blvd., Rockville, MD 20850, website http://www.aoac.org .
ATCP 65.86(3)(i) (i) Automated testing devices; constant voltage. A constant voltage regulator shall be connected to, or form a part of, every milk component testing device that is in line with a single phase 115 or 220-volt power supply.
ATCP 65.86(3)(j) (j) Records related to calibrations, daily performance checks, and reference checks.
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Published under s. 35.93, Stats. Updated on the first day of each month. Entire code is always current. The Register date on each page is the date the chapter was last published.