Designation D1060 − 10 Standard Practice for Core Sampling of Raw Wool in Packages for Determination of Percentage of Clean Wool Fiber Present1 This standard is issued under the fixed designation D106[.]
Designation: D1060 − 10 Standard Practice for Core Sampling of Raw Wool in Packages for Determination of Percentage of Clean Wool Fiber Present1 This standard is issued under the fixed designation D1060; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision A number in parentheses indicates the year of last reapproval A superscript epsilon (´) indicates an editorial change since the last revision or reapproval D4845 Terminology Relating to Wool Scope 1.1 This practice for sampling covers a procedure for obtaining samples from lots of grease, pulled, or scoured wool or related animal fibers in bales or bags for the determination of the clean wool fiber present by a procedure similar to that described in Test Method D584 Terminology 3.1 For all terminology relating to D13.13, Wool and Wool Felt, refer to Terminology D4845 3.1.1 The following terms are relevant to this standard: clean wool fiber present, core and raw wool 1.2 This practice provides a description of suitable core sampling equipment, the sampling procedure, and the method for determining the number of packages to be bored and the number of cores to be taken from each sampled package 3.2 For definitions of other textile terms used in this practice, refer to Terminology D123 1.3 Reliable estimates are given for the standard deviation of the percentage clean wool fiber present between packages and within packages for lots of many types of raw wool Summary of Practices 4.1 The lot is core sampled in accordance with one of a series of equivalent schedules based on estimates of variability of the percentage clean wool fiber present and on the required level of precision A set of packages of wool is taken as a lot sample From each package in the lot sample, a fixed number of cores of wool is drawn to be used as a laboratory sample Guidance in the selection of the most economical of the equivalent schedules is provided 1.4 The values stated in inch-pound units are to be regarded as standard The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard 1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use Significance and Use 5.1 Core sampling is widely accepted, when applicable, for obtaining a laboratory sample representative of the clean wool fiber present in a lot of packaged raw wool Referenced Documents 2.1 ASTM Standards:2 D123 Terminology Relating to Textiles D584 Test Method for Wool Content of Raw Wool— Laboratory Scale E105 Practice for Probability Sampling of Materials E122 Practice for Calculating Sample Size to Estimate, With Specified Precision, the Average for a Characteristic of a Lot or Process 5.2 If the wool is so loosely packed that a core cannot be cut, or if it is so highly compressed that the sampling tool cannot readily penetrate into the package to the required depth and in the required direction, core sampling is not applicable The density of wool in most types of commercial packages is suitable for sampling by this method 5.3 The procedure described in this practice is adapted to the application of statistical methods for estimating the size of sample required to achieve a required level of sample precision at minimum cost This practice is under the juristiction of ASTM Committee D13 on Textiles and is the direct responsibility of Subcommittee D13.13 on Wool and Felt Current edition approved June 1, 2010 Published June 2010 Originally approved in 1949 Last previous edition approved in 2005 as D1060 – 96 (2005) DOI: 10.1520/D1060-10 For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at service@astm.org For Annual Book of ASTM Standards volume information, refer to the standard’s Document Summary page on the ASTM website NOTE 1—The basic sampling equipment, operating procedure, and statistical approach used in this practice have been adapted for sampling lots of wool for the determination of other properties that are not affected by boring, such as average fiber diameter, and for sampling lots of other bulk fibers in packages Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959 United States D1060 − 10 (Metric equivalents may be calculated by multiplying inches by 25.4 to obtain equivalent dimensions in millimetres.) FIG Small Diameter Wool Sampling Tool (United States Customs Service) 6.2 Sample Container—A container with closure of such material and so constructed that a sample stored therein will not show a material change in its moisture content during the interval between sampling and weighing the sample for test Apparatus 6.1 Sampling Tool —A tube equipped with a cutting edge, together with a drill, hammer, press, or similar device, and accessories The tube must be capable of penetrating the required distance (see 7.2) into a package of wool and cutting a core therefrom, which core must be retained substantially unchanged within the tube during its withdrawal from a package 6.1.1 Fig illustrates the design of a recommended type of rotatable small-diameter wool sampling tube 6.1.2 Sampling tubes in common use range from approximately 1⁄2 to in (13 to 50 mm) in diameter, and from 10 to 40 in (250 to 1000 mm) in length 6.1.3 Some types of sampling tubes are equipped with receptacles at the rear of the tube 6.1.4 Drills of 1⁄2 hp (375 w) rotating at 200 to 550 rpm (3.3 to 10 rps), have been found to be satisfactory 6.1.5 A toothed cutting edge on a rotating tube of small diameter, instead of the smooth edge illustrated in Fig 1, is acceptable provided that for any specific design it has been shown that a bias is not introduced thereby The absence of bias in samples obtained with a rotating 2-in (50 mm) diameter tube with a toothed cutting edge has been demonstrated Sampling Procedure 7.1 Time of Sampling—Take the sample at or about the time the lot is weighed 7.2 Depth of Penetration—Penetrate a bale of wool with the sampling tube to a depth such that substantially all parts of the package can be reached Maintain the same depth of penetration for each core taken from a given lot 7.3 Location of Borings: 7.3.1 Consider a package as composed of eight sections approximately equal in volume, defined by top or bottom, front or back, left or right 7.3.2 Alternate the location of boring in such a fashion that the total composite sample will consist of approximately the same number of cores from each section of the packages 7.3.3 If the packages have been compressed in a baling press, enter a package through a compression surface and in a direction normal to that surface 7.4 Whenever there is danger that loose sand or other material may drop out of the tube during or after boring, so position the package that the direction of boring will be horizontal The sole source of supply of the apparatus known to the committee at this time is Yocom-McColl Testing Laboratories, Inc., 540 Elk Place, Denver, CO 80216 If you are aware of alternative suppliers, please provide this information to ASTM Headquarters Your comments will receive careful consideration at a meeting of the responsible technical committee,1 which you may attend D1060 − 10 7.5 Just before entering a sampling tube into a package of wool, cut the covering in such a way that none of the covering material fibers become mixed with the core or with the wool in the package 1.960 8.2.1 Reliable Estimates of Variances Available—When reliable estimates of σb2 and σw2 are available, determine the required number of packages based on a specific number of cores per package using Eq or Table 1: 7.6 Immediately upon withdrawal of the tube after boring, extrude the core directly into the sample container or the intermediate receptacle (6.1.3) without loss of material or unnecessary exposure to atmospheric conditions that may result in a change in the moisture content of the core n N ~ s w 1k s b ! / @ 0.2603 kN1ksb # 8.1 Variance of Sample Mean—If a sample consists of k cores from each of n packages from a lot of N packages of raw wool, and the n × k cores are composited into a single sample on which m tests for percent clean wool fiber present are made, then the variance of the mean of the observations is given using Eq (Notes and 3): σb N n σw σt 1 n N n 3k m σ s 21 (2) where: n = number of packages to be selected from the lot for coring (rounded upward to a whole number), N = k = number of cores to be taken from each selected package (Note 5), = reliable estimate of the standard deviation for sw percent clean wool fiber present of cores within packages of a lot of similar packaged raw wool (Note 6), = reliable estimate of the standard deviation for sb percent clean wool fiber present between packages within a lot of similar packaged raw wool (Note 6), and 0.2603 = value defined in Note Size of Sample4 σx = value of Student’s t for infinite degrees of freedom, two-sided limits, and a 95 % probability level (1) σt m NOTE 5—Any convenient value of k may be used, but the value of k calculated using Eq and rounding to the nearest whole number will give the most economical sample: where: σx2 = variance of the mean of the m observations, σb2 = variance for percent clean wool fiber present between packages within the lot, σw2 = average variance for percent clean wool fiber present of cores within packages of the lot, σt2 = variance of observations on a homogeneous sample, σs2 = variance for percent clean wool fiber present for the sample, as defined by Eq 1, n = number of packages selected at random from the lot from which cores are taken, N = number of packages in the lot, k = number of cores taken from each of the n packages, and m = number of observations made on the composite sample k ~ s w B/s b C ! (3) where: B = average cost of selecting and positioning a package for coring, and C = average cost of taking and handling a core, and the other terms are defined in the legend for Eq NOTE 6—Estimates of the variances are best based on data obtained in investigations using analysis of variance techniques for lots of similar packaged raw wool The estimates listed in Table A1.1 were so obtained Estimates may also be based on records in the user’s laboratory if the plan for sampling and testing described in STP 1145 has been followed For testing that does not involve a dispute between the purchaser and the supplier, variances may be estimated as specified in Practice E122 8.2.2 No Reliable Estimates of Variances Available—When no reliable estimates of σb2 and σw2 are available, determine the required number of packages based on a specific number of cores per package using Eq or Table and sw = sb = 5.0 percentage points These estimates of variability are somewhat larger than the variability usually found in practice and will usually require a larger number of cores than when reliable estimates of variability are available NOTE 2—Uniform mass of packages and of cores are assumed If the departure from uniformity is such that a material error would be introduced by this assumption, proportional compositing must be adhered to NOTE 3—The factor (N-n)/N is the correction for sampling from a finite population A corresponding correction is generally not necessary for cores and tests 8.2 Number of Cores—Unless otherwise agreed upon, as when specified in an applicable material specification, take a number of cores such that σs2 will be 0.2603 Sampling Schedules 9.1 For convenience, Table gives the values of n calculated by Eq for selected pairs of values of sw and sb and for selected lot sizes, N, and numbers of cores per package, k, for an allowable variation of 61.0 % clean wool fiber present at a probability level of 95 % NOTE 4—0.2603 is the value calculated from (1.0/1.960)2 where: 1.0 = allowable variation of the percent clean wool fiber present of the composite sample, and 10 Keywords 10.1 sampling; wool content For background information, see the paper by Louis Tanner and W Edwards Deming, “Some Problems in the Sampling of Bulk Materials,” Proceedings, ASTM, Vol 49, 1949, p 1181 and ASTM Practice E105 Symposium on Bulk Sampling, ASTM STP 114, ASTM, 1952 D1060 − 10 TABLE Values of n for an Allowable Variation of± 1.0 % Clean Wool Fiber Present (0.86 % Wool Base) at a Probability Level of 95 %A , for Selected Values of s w, sb, and k s w s b 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 2.0 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 1.0 2.0 1.5 2.0 2.0 2.0 2.5 2.0 3.0 2.0 3.5 2.0 4.0 2.0 4.5 2.0 5.0 2.5 1.0 2.5 1.5 2.5 2.0 2.5 2.5 2.5 3.0 2.5 3.5 2.5 4.0 2.5 4.5 2.5 5.0 3.0 1.0 3.0 3.0 3.0 3.0 3.0 3.0 3.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 Number of Cores per Sampled Package, k 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 2 2 2 2 Number of Packages in Lot, N 25 50 75 100 150 200 300 500 750 1000 13 19 27 36 47 59 71 84 13 17 24 32 41 51 63 75 88 20 12 24 17 30 23 38 31 47 40 58 51 69 62 81 74 94 88 28 16 33 21 39 27 46 35 55 44 65 54 77 66 89 78 101 90 90 39 21 43 26 49 32 56 40 65 49 75 59 86 71 98 83 13 19 27 37 48 61 74 89 13 18 24 32 42 53 65 79 93 20 12 24 17 31 23 39 31 48 41 59 52 72 64 85 78 99 92 28 16 33 21 39 27 47 35 57 45 67 56 80 68 93 82 107 96 96 39 22 43 26 49 32 57 41 67 50 77 61 89 73 102 87 13 19 28 38 49 62 76 92 13 18 24 32 42 54 67 81 96 20 12 24 17 31 23 39 31 49 41 60 53 73 66 87 80 102 95 28 16 33 21 39 27 47 36 57 46 68 57 81 70 95 84 110 99 99 39 22 43 26 50 33 58 41 67 51 78 62 91 75 105 89 Number of Packages to Be Sampled, n 10 12 15 17 18 19 20 21 11 13 15 17 19 20 21 21 22 17 10 18 13 20 15 21 17 21 18 22 19 23 20 23 21 24 22 25 14 25 16 25 17 25 19 25 20 25 21 25 22 25 22 25 23 23 B 19 B 20 B 21 B 22 B 22 B 23 B 23 B 24 11 15 19 23 27 30 32 35 12 15 19 23 26 29 32 34 36 18 11 21 14 24 18 27 22 30 25 33 29 35 32 37 34 39 36 26 15 28 18 31 21 33 25 35 28 37 31 39 33 40 36 42 37 37 36 20 37 23 39 25 40 28 41 31 43 34 44 36 44 38 12 17 22 27 32 36 40 44 12 16 20 25 30 35 39 43 46 19 11 22 15 26 20 30 25 35 29 39 34 43 39 46 42 49 46 27 16 30 19 33 23 37 28 41 32 44 37 47 41 50 45 53 48 48 37 21 39 24 42 28 45 32 48 36 51 40 53 44 56 47 12 17 23 29 35 41 46 51 13 16 21 27 33 38 44 49 54 19 12 23 16 27 20 32 26 38 32 43 38 48 43 53 49 57 53 27 16 31 20 35 24 39 30 44 35 49 41 53 46 58 51 62 56 56 37 21 40 24 44 29 48 34 52 39 56 44 60 49 64 54 12 18 24 32 39 47 54 61 13 17 22 29 36 43 50 57 64 19 12 23 16 28 21 34 28 41 35 48 42 55 50 62 57 68 64 28 16 31 20 36 25 42 32 48 38 55 45 61 53 67 60 74 66 66 38 21 41 25 46 30 51 36 57 43 63 49 69 56 74 63 12 18 25 33 43 50 59 68 13 17 23 30 37 46 54 63 71 19 12 24 16 29 22 36 29 43 37 51 45 59 53 68 62 76 71 28 16 32 20 37 26 43 50 40 58 48 66 57 74 65 82 73 73 38 21 42 25 47 31 53 37 59 45 67 53 74 61 81 69 13 19 26 35 44 55 65 76 13 17 23 31 39 49 59 69 80 19 12 24 16 30 22 37 30 45 38 54 48 64 58 74 68 85 79 28 16 32 21 38 27 45 34 53 42 62 52 71 61 81 72 91 82 82 38 21 43 26 48 32 55 39 63 47 71 56 80 66 90 76 D1060 − 10 TABLE s w 3.0 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0 s b 5.0 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 Number of Cores per Sampled Package, k 2 4 4 4 4 4 4 4 4 Continued Number of Packages in Lot, N 25 50 75 100 150 200 300 500 750 1000 110 96 51 28 20 16 55 32 24 21 61 38 31 27 68 46 38 35 77 55 48 44 87 65 58 54 97 76 69 66 109 88 81 78 121 101 94 91 65 35 25 20 69 39 29 24 75 45 35 30 82 53 43 38 90 62 52 47 100 72 62 58 110 83 73 69 121 94 86 81 133 107 116 101 51 28 20 16 56 32 25 21 62 39 31 27 69 47 39 35 79 56 49 45 89 67 60 56 101 79 72 68 114 92 85 82 127 106 100 96 65 35 25 20 70 39 29 24 76 46 36 31 83 54 44 39 92 63 53 48 103 74 64 59 114 86 76 72 127 99 90 85 140 113 120 104 51 28 20 16 56 32 25 21 62 39 31 27 70 47 39 35 79 57 49 45 90 68 60 57 103 81 73 69 116 95 87 84 131 110 102 99 66 35 25 20 70 40 29 24 76 46 36 31 84 54 44 39 93 64 54 49 104 75 65 60 116 87 78 73 130 101 92 87 144 116 Number of Packages to Be Sampled, n B 24 B 24 17 14 B 24 19 16 B 25 20 17 B 25 21 19 B 25 22 20 B 25 22 21 B 25 23 22 B 25 23 22 B 25 24 23 45 39 48 26 19 15 48 28 21 18 48 30 24 21 49 33 27 25 49 35 30 28 49 37 33 31 49 39 35 33 49 40 37 36 49 41 39 37 B B B 33 23 18 22 17 B B B 34 25 21 22 18 B B B 36 28 24 23 20 B B B 37 31 27 23 21 B B B 39 33 30 24 21 B B B 41 35 33 24 22 B B B 42 37 35 24 23 B B B 43 39 37 24 23 B B B 44 58 50 49 27 19 15 50 29 22 19 52 33 26 23 54 37 31 28 56 40 35 32 58 44 39 37 60 47 43 41 62 50 46 44 63 53 49 48 63 33 24 19 63 36 27 22 64 39 30 26 65 42 34 30 66 45 38 35 67 48 42 39 68 51 46 43 69 54 49 46 70 56 67 58 50 27 19 16 52 30 23 19 55 34 27 24 58 39 33 29 61 44 38 35 65 49 43 41 68 53 48 46 71 57 53 51 73 61 57 55 63 34 24 19 65 37 27 23 67 40 32 27 69 45 36 32 72 49 41 38 74 53 46 43 77 58 61 48 79 62 56 53 81 65 80 70 50 27 20 16 53 31 24 20 57 36 29 25 62 41 35 31 67 48 41 38 72 54 48 45 77 61 55 52 83 67 62 59 88 73 69 66 64 34 24 19 67 38 28 23 70 42 33 28 74 48 39 34 79 54 45 41 83 60 52 48 88 66 69 55 92 72 65 62 97 78 89 77 50 27 20 16 54 31 24 20 58 37 29 26 64 43 36 32 70 50 43 40 77 58 51 48 84 66 60 57 90 73 68 65 97 81 76 73 65 34 24 19 68 38 28 24 72 43 34 29 77 49 40 36 82 56 47 43 88 63 55 51 95 71 63 59 101 79 71 68 107 86 99 86 51 28 20 16 55 32 24 20 60 38 30 26 66 45 37 34 74 53 46 42 82 62 55 51 91 71 65 61 100 81 75 72 109 91 85 82 65 35 25 19 69 39 29 24 74 44 35 30 80 51 42 37 87 59 50 45 94 68 59 54 103 77 69 64 111 87 79 74 120 97 D1060 − 10 TABLE s w 4.5 4.5 4.5 4.5 4.5 4.5 4.5 4.5 4.5 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 s b 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 Number of Cores per Sampled Package, k 4 4 4 4 4 4 4 4 4 Continued Number of Packages in Lot, N 25 50 75 100 150 200 300 500 750 1000 98 94 82 43 30 24 85 47 34 28 91 53 41 34 98 61 48 42 106 69 57 41 115 79 67 61 125 90 78 73 135 101 90 85 146 114 103 97 100 52 36 28 103 56 40 33 109 62 46 39 115 69 54 46 123 78 63 55 131 87 73 65 141 98 84 77 151 109 96 89 162 121 104 99 82 43 30 24 86 47 35 28 92 54 41 35 99 61 49 43 108 71 58 52 118 81 69 63 129 93 81 75 141 106 94 89 155 120 109 103 100 52 36 28 104 57 51 33 110 63 47 39 117 70 55 47 125 79 64 57 135 90 75 67 146 102 87 80 158 114 100 93 171 128 107 102 82 43 30 24 86 48 35 28 92 54 41 35 100 62 49 43 109 72 59 53 120 83 70 64 132 95 83 77 145 109 97 91 159 124 112 106 100 52 36 28 104 57 41 33 110 63 47 39 118 71 55 47 127 80 65 57 137 91 76 68 149 104 89 81 162 117 102 95 176 132 Number of Packages to Be Sampled, n 25 24 40 39 52 49 B B B B 40 28 22 41 29 23 B 21 B B B B 41 30 24 43 32 26 B 21 B B B B 42 32 27 46 35 29 B 22 B B B B 43 34 30 48 38 33 B 23 B B B B 44 36 32 51 42 37 B 23 B B B 45 38 35 B 24 B B B 46 40 37 B 24 B 53 45 41 B 56 49 45 B B B B 46 41 39 58 51 48 B 24 B B B B 47 42 40 60 54 51 B 24 B B B B 49 34 26 50 35 27 B 25 B B B B 49 35 28 51 37 30 B 25 B B B 49 37 31 B 25 B 53 40 33 B B B B 49 38 33 55 43 37 B 25 B B B B 49 40 35 57 46 41 B 25 B B B B 49 41 37 59 49 44 B 25 B B B B 50 42 39 61 52 47 B 25 B B B B 50 43 40 62 54 50 B 25 B B B B 50 64 60 57 79 42 29 23 80 44 32 26 81 48 36 31 83 51 41 36 84 55 45 41 85 59 50 46 87 63 55 51 88 66 59 55 89 69 63 59 97 50 35 27 97 53 38 31 97 55 42 35 97 59 46 39 98 62 50 44 98 65 54 49 98 68 58 53 98 71 62 58 98 74 72 68 80 42 30 23 82 45 33 27 85 50 38 32 88 55 44 38 92 60 50 44 96 66 56 51 99 72 62 58 103 77 69 65 106 83 75 71 98 51 35 28 99 54 39 31 102 58 43 36 104 63 49 42 107 68 55 48 109 73 61 55 112 78 67 61 115 83 73 68 118 88 79 76 81 42 30 23 83 46 34 27 87 51 39 33 91 57 45 39 96 63 52 47 102 70 60 54 107 77 67 62 113 85 75 71 118 92 83 79 98 51 36 28 101 55 39 32 104 59 44 37 108 65 51 43 112 71 57 50 116 77 65 58 121 84 72 66 126 91 80 74 130 98 89 85 81 43 30 23 85 47 34 28 89 52 40 34 95 59 47 41 101 66 55 49 108 75 64 58 116 84 73 68 124 93 83 78 132 103 93 88 99 52 36 28 102 56 40 32 106 61 46 38 112 67 52 45 118 75 60 53 124 83 69 62 131 91 78 71 139 100 88 81 146 110 D1060 − 10 TABLE s w 5.5 5.5 5.5 5.5 5.5 5.5 5.5 5.5 5.5 6.0 6.0 6.0 s b 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 1.0 1.5 2.0 Number of Cores per Sampled Package, k 4 6 6 6 6 6 Continued Number of Packages in Lot, N 25 50 75 100 150 200 300 500 750 1000 108 101 120 62 43 33 27 24 123 66 47 38 32 28 128 72 53 44 38 34 134 79 60 51 46 42 142 87 69 60 55 51 150 97 79 70 65 61 159 107 90 81 76 72 168 118 101 93 88 85 179 130 114 105 101 97 142 73 50 39 32 27 145 77 54 43 36 32 150 82 60 49 114 107 120 62 43 33 27 24 124 66 47 38 32 28 129 72 54 44 38 35 136 80 61 52 46 43 145 89 71 61 56 52 154 99 81 72 67 63 165 111 93 84 79 75 176 124 106 97 92 89 189 137 120 111 106 103 142 73 50 39 32 27 146 77 55 43 36 32 151 83 61 49 117 110 120 62 43 33 27 24 124 67 47 38 32 28 130 73 54 44 39 35 137 81 62 52 47 43 146 90 71 62 56 53 156 101 82 73 68 64 168 113 95 86 80 77 180 127 109 100 94 91 194 141 123 115 109 106 142 73 50 39 32 27 146 78 55 43 36 32 152 84 61 50 Number of Packages to Be Sampled, n B 25 44 42 B B B B B B 24 21 40 31 26 22 59 41 32 26 23 B B B B B B 24 21 41 33 28 24 60 43 34 29 26 B B B B B B 42 34 30 27 61 45 37 33 29 B B B 24 22 B B B B B 57 53 B B B B B B 25 23 44 38 35 32 64 51 44 40 37 B B B B B B 25 24 45 40 37 35 65 53 47 44 41 B B B B B B 25 24 45 41 38 37 66 56 50 47 45 B B B B B B 25 24 46 42 40 39 67 58 53 50 48 B B B B B B 25 24 47 43 41 40 68 60 55 53 51 B B B B B B 24 47 36 30 25 70 48 37 30 26 B B B B B B 24 47 37 31 28 70 50 39 33 29 B B B B B B 48 39 71 52 42 B B B B B B B B B B 62 44 35 30 26 B 64 47 39 34 31 B 25 23 B B 60 42 32 27 23 B 63 48 41 36 33 43 36 32 30 B 66 62 67 51 43 39 35 B 69 55 48 43 41 B 72 59 52 48 46 B 75 63 57 53 51 B 77 66 61 57 55 B 79 69 64 61 59 B 71 49 37 31 26 B 72 51 40 34 30 B 74 54 44 79 74 118 61 42 33 27 23 119 64 45 36 31 27 120 67 50 41 36 32 121 71 55 46 41 38 123 76 60 52 47 44 125 81 66 58 54 51 127 85 72 65 61 58 128 90 77 71 67 64 130 94 83 77 73 71 139 72 49 38 31 27 139 74 52 41 35 30 140 77 56 46 87 82 118 61 42 33 27 23 120 64 46 37 31 27 123 69 51 42 36 33 126 74 57 48 43 39 129 80 63 55 50 46 133 86 70 62 57 54 136 92 77 70 65 62 140 98 84 77 73 70 144 105 92 85 81 78 140 72 49 38 31 27 141 75 53 42 35 31 143 79 58 47 98 91 119 62 43 33 27 23 122 65 47 37 31 28 126 70 52 43 37 34 130 77 59 50 44 41 136 84 66 58 52 49 142 91 75 66 61 58 148 100 84 76 71 68 155 108 93 85 81 78 161 117 103 95 91 88 141 73 50 38 32 27 143 76 54 43 36 31 147 81 59 48 D1060 − 10 TABLE s w 6.0 6.0 6.0 6.0 6.0 6.0 A B s b 2.5 3.0 3.5 4.0 4.5 5.0 Number of Cores per Sampled Package, k 6 6 6 Continued Number of Packages in Lot, N 25 50 75 100 150 200 300 500 750 1000 42 38 155 89 67 56 50 45 162 98 76 65 59 54 170 107 86 75 69 65 178 117 96 86 80 76 187 128 108 98 92 88 197 139 120 110 104 100 43 38 158 91 68 57 51 46 166 100 78 67 60 56 175 110 88 77 71 66 185 121 100 89 83 79 196 134 113 102 96 92 208 147 126 116 110 106 43 38 159 91 69 58 51 46 168 101 78 67 61 56 178 111 89 78 72 767 189 124 102 91 84 80 201 137 115 105 98 94 214 151 130 120 113 109 Number of Packages to Be Sampled, n B 24 33 30 B B B B B B 25 48 40 35 32 71 54 45 40 36 B B B B B B 25 48 41 37 35 71 56 48 43 40 B B B B B B 25 48 43 39 37 72 58 51 46 44 B B B B B B 25 49 42 40 38 72 60 53 49 47 B B B B B B 25 49 44 42 40 73 61 56 52 50 B B B B B B 49 44 43 41 73 63 58 55 53 B B B B B B B B B B B B 25 36 32 38 34 B 76 57 48 42 38 B 78 60 52 47 43 B 80 64 56 51 48 B 81 67 60 56 53 B 83 70 64 60 57 B 85 73 67 64 61 40 35 140 81 61 51 45 41 141 85 66 57 51 47 142 89 71 63 57 54 142 93 77 69 64 60 143 97 82 74 70 67 143 101 87 80 76 73 40 36 145 84 63 53 47 43 148 89 69 59 54 50 151 95 76 67 61 57 153 100 83 74 69 65 156 106 90 81 76 73 159 112 96 89 84 81 41 37 151 87 65 55 48 44 156 94 73 63 56 52 161 101 81 71 65 61 166 109 90 80 74 71 172 117 99 90 84 81 178 126 108 99 94 Calculated using Eq The specified allowable variation cannot be obtained with this number of cores, k, per package ANNEX (Mandatory Information) A1 CLASSIFICATION OF WOOLS FOR SAMPLING PURPOSES A1.1 Committee studies have shown that the values for sw and sb listed in Table A1.1 are good estimates of the average values for lots of several types of packaged wool as they appeared in the commerce of the United States of America early in 1964, provided the packages comprising the lot conformed to the following conditions: A1.1.3 All packages contained the same kind of wool or hair (sheep, goat, camel, alpaca, and so forth), from the same geographic area, of the same general character (apparel or carpet type, fleece, matchings, crutchings, and so forth), and in the same general condition (grease, scoured, washed, pulled, and so forth) A1.1.1 Each package was uniformly and randomly packed NOTE A1.1—The data given in Table A1.1 would not be applicable to lots containing packages materially damaged by water, oil, or other agent unless these packages were first removed from the lot for separate evaluation Normally soiled or torn coverings of themselves not indicate material damage for sampling purposes A1.1.2 All packages were undamaged (Note A1.1), of the same kind (bales or bags), and of approximately the same dimensions and mass, within usual commercial limits D1060 − 10 TABLE A1.1 Estimates of sw and sb for Precentage Clean Wool Fiber Present of LotsA of Packaged Wool of Several Types Classification A Apparel Wool, Foreign: (1) Greasy, not burry: Argentine AustraliaB Brazil Canada Chile Peru, wool Peru, alpaca New Zealand South Africa Uruguay (2) Pulled, not burry: Slight lime, all types Heavy lime, all types (3) Scoured, not burry: Well scoured, all types Poorly scoured, all types (4) Burry: to 10 % burr, scoured basis Over 10 % burr, scoured basis B Apparel Wool, Domestic: (1) Original bags, ungraded (2) Territory wool, gradedC (3) Fleece wools, gradedC sw sb 2.5 1.5 2.5 4.5 2.0 2.5 3.0 1.5 1.5 3.0 2.5 4.0 2.5 2.0 5.0 2.5 1.5 4.0 4.0 1.5 1.5 2.5 1.5 2.5 1.0 1.5 1.0 1.5 Classification C Carpet Wool: (1) Washed or greasy, not burry: Aleppo B.A Blackface Indian (other than Vicanere): White Colored Iran Iraq New Zealand crutchings Pakistan Vicanere (2) Washed or greasy, burry: to 10 % burr, scoured basis Over 10 % burr, scoured basis (3) Pulled or colored increase corresponding “not burry” sW by 1.0 increase corresponding “not burry” sW by 2.0 4.5 4.5 5.0 Scoured, not burry: Well scoured, all types Poorly scoured, all types (5) Scoured; burry: to 10 % burr Over 10 % burr 2.0 2.0 2.0 sw sb 3.0 3.5 4.0 2.5 2.5 3.5 2.5 3.5 3.5 3.5 3.5 2.0 3.0 1.5 3.0 3.5 2.0 5.0 5.0 2.5 increase corresponding“ not burry” sw by 1.0 increase corresponding“ not burry” sw by 2.0 same as washed or greasy, burry, to 10 % 1.0 1.5 1.0 1.5 2.5 3.5 1.5 1.5 A For restrictions on the packages that may be included in a lot to which the estimates apply, see A1.1.1 – A1.1.3 A study conducted in 1971 confirmed these estimates A copy is available from ASTM Headquarters, 100 Barr Harbor Drive, West Conshohocken, PA 19428 Request Research No RR:D13-1044 C Studies conducted in 1972 to 1974 indicated that these estimates are also applicable to compressed bales weighing approximately 454 kg (1000 lb) A copy is available from ASTM Headquarters, 100 Barr Harbor Drive, West Conshohocken, PA 19428 Request Research No RR:D13-1044 B ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentioned in this standard Users of this standard are expressly advised that determination of the validity of any such patent rights, and the risk of infringement of such rights, are entirely their own responsibility This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years and if not revised, either reapproved or withdrawn Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend If you feel that your comments have not received a fair hearing you should make your views known to the ASTM Committee on Standards, at the address shown below This standard is copyrighted by ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States Individual reprints (single or multiple copies) of this standard may be obtained by contacting ASTM at the above address or at 610-832-9585 (phone), 610-832-9555 (fax), or service@astm.org (e-mail); or through the ASTM website (www.astm.org) Permission rights to photocopy the standard may also be secured from the Copyright Clearance Center, 222 Rosewood Drive, Danvers, MA 01923, Tel: (978) 646-2600; http://www.copyright.com/