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diving-decompression

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Exposes methods for defining/calculating diving decompression schedules/protocols based on the US Navy dive manual revision 7

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"use strict"; Object.defineProperty(exports, "__esModule", { value: true }); const usNavyResidualNitrogenTime = { tableCode: 'USN-AIR-RNT', tableName: 'US Navy no decompression table revision 7 - Residual Nitrogen Time for No-Decompression Air Dives', tableNote9981: `At depths of 10, 15, and 20 fsw, some of the higher repetitive groups do not have a defined residual nitrogen time. These groups are marked with a double asterisk in the lower half of Table 9-8. The RNT is undefined because the tissue nitrogen loading associated with those repetitive groups is higher than the nitrogen loading that could be achieved even if the diver were to remain at those depths for an infinite period of time. A diver entering the dive in one of those higher groups marked by a double asterisk can still perform a repetitive dive at 10, 15 or 20 fsw because the no-decompression time at those depths is unlimited. An RNT time is not required to make the dive. If a subsequent repetitive dive to a deeper depth is planned, however, the diver will need a repetitive group at the end of the shallow dive in order to continue using the RNT table. If a double asterisk is encountered in Table 9-8, assume that the repetitive group remains unchanged during the course of the dive at 10, 15, or 20 fsw. Example: A diver surfaces from a dive in repetitive Group N. Thirty minutes later, he makes a dive to 20 fsw. The diver begins the 20 fsw dive in Group N. The RNT time for Group N at 20 fsw is undefined. This is not a problem because the no-decompression time at 20 fsw is unlimited. Regardless of his starting repetitive group, the diver can spend any amount of time at 20 fsw without incurring a decompression obligation. If a subsequent dive deeper than 20 fsw is planned, the diver should assume that he surfaced from the 20 fsw dive in Group N regardless of the duration of the 20 fsw dive. `, tableData: [ { repetLetter: 'A', rnt: [ { minDepth: 0, maxDepth: 10, rnt: 58 }, { minDepth: 11, maxDepth: 15, rnt: 37 }, { minDepth: 16, maxDepth: 20, rnt: 27 }, { minDepth: 21, maxDepth: 25, rnt: 21 }, { minDepth: 26, maxDepth: 30, rnt: 18 }, { minDepth: 31, maxDepth: 35, rnt: 15 }, { minDepth: 36, maxDepth: 40, rnt: 13 }, { minDepth: 41, maxDepth: 45, rnt: 12 }, { minDepth: 46, maxDepth: 50, rnt: 11 }, { minDepth: 51, maxDepth: 55, rnt: 10 }, { minDepth: 56, maxDepth: 60, rnt: 9 }, { minDepth: 61, maxDepth: 70, rnt: 8 }, { minDepth: 71, maxDepth: 80, rnt: 7 }, { minDepth: 81, maxDepth: 90, rnt: 6 }, { minDepth: 91, maxDepth: 100, rnt: 5 }, { minDepth: 101, maxDepth: 110, rnt: 5 }, { minDepth: 111, maxDepth: 120, rnt: 5 }, { minDepth: 121, maxDepth: 130, rnt: 4 }, { minDepth: 131, maxDepth: 140, rnt: 4 }, { minDepth: 141, maxDepth: 150, rnt: 4 }, { minDepth: 151, maxDepth: 160, rnt: 4 }, { minDepth: 161, maxDepth: 170, rnt: 3 }, { minDepth: 171, maxDepth: 180, rnt: 3 }, { minDepth: 181, maxDepth: 190, rnt: 3 }, ], }, { repetLetter: 'B', rnt: [ { minDepth: 0, maxDepth: 10, rnt: 101 }, { minDepth: 11, maxDepth: 15, rnt: 61 }, { minDepth: 16, maxDepth: 20, rnt: 44 }, { minDepth: 21, maxDepth: 25, rnt: 34 }, { minDepth: 26, maxDepth: 30, rnt: 28 }, { minDepth: 31, maxDepth: 35, rnt: 24 }, { minDepth: 36, maxDepth: 40, rnt: 21 }, { minDepth: 41, maxDepth: 45, rnt: 18 }, { minDepth: 46, maxDepth: 50, rnt: 17 }, { minDepth: 51, maxDepth: 55, rnt: 15 }, { minDepth: 56, maxDepth: 60, rnt: 14 }, { minDepth: 61, maxDepth: 70, rnt: 12 }, { minDepth: 71, maxDepth: 80, rnt: 10 }, { minDepth: 81, maxDepth: 90, rnt: 9 }, { minDepth: 91, maxDepth: 100, rnt: 8 }, { minDepth: 101, maxDepth: 110, rnt: 8 }, { minDepth: 111, maxDepth: 120, rnt: 7 }, { minDepth: 121, maxDepth: 130, rnt: 6 }, { minDepth: 131, maxDepth: 140, rnt: 6 }, { minDepth: 141, maxDepth: 150, rnt: 6 }, { minDepth: 151, maxDepth: 160, rnt: 3 }, { minDepth: 161, maxDepth: 170, rnt: 3 }, { minDepth: 171, maxDepth: 180, rnt: 3 }, { minDepth: 181, maxDepth: 190, rnt: 3 }, ], }, { repetLetter: 'C', rnt: [ { minDepth: 0, maxDepth: 10, rnt: 159 }, { minDepth: 11, maxDepth: 15, rnt: 89 }, { minDepth: 16, maxDepth: 20, rnt: 62 }, { minDepth: 21, maxDepth: 25, rnt: 48 }, { minDepth: 26, maxDepth: 30, rnt: 39 }, { minDepth: 31, maxDepth: 35, rnt: 33 }, { minDepth: 36, maxDepth: 40, rnt: 29 }, { minDepth: 41, maxDepth: 45, rnt: 25 }, { minDepth: 46, maxDepth: 50, rnt: 23 }, { minDepth: 51, maxDepth: 55, rnt: 20 }, { minDepth: 56, maxDepth: 60, rnt: 19 }, { minDepth: 61, maxDepth: 70, rnt: 16 }, { minDepth: 71, maxDepth: 80, rnt: 14 }, { minDepth: 81, maxDepth: 90, rnt: 12 }, { minDepth: 91, maxDepth: 100, rnt: 11 }, { minDepth: 101, maxDepth: 110, rnt: 10 }, { minDepth: 111, maxDepth: 120, rnt: 9 }, { minDepth: 121, maxDepth: 130, rnt: 9 }, { minDepth: 131, maxDepth: 140, rnt: 8 }, { minDepth: 141, maxDepth: 150, rnt: 8 }, { minDepth: 151, maxDepth: 160, rnt: 7 }, { minDepth: 161, maxDepth: 170, rnt: 7 }, { minDepth: 171, maxDepth: 180, rnt: 6 }, { minDepth: 181, maxDepth: 190, rnt: 6 }, ], }, { repetLetter: 'D', rnt: [ { minDepth: 0, maxDepth: 10, rnt: 246 }, { minDepth: 11, maxDepth: 15, rnt: 122 }, { minDepth: 16, maxDepth: 20, rnt: 83 }, { minDepth: 21, maxDepth: 25, rnt: 63 }, { minDepth: 26, maxDepth: 30, rnt: 51 }, { minDepth: 31, maxDepth: 35, rnt: 43 }, { minDepth: 36, maxDepth: 40, rnt: 37 }, { minDepth: 41, maxDepth: 45, rnt: 32 }, { minDepth: 46, maxDepth: 50, rnt: 29 }, { minDepth: 51, maxDepth: 55, rnt: 26 }, { minDepth: 56, maxDepth: 60, rnt: 24 }, { minDepth: 61, maxDepth: 70, rnt: 20 }, { minDepth: 71, maxDepth: 80, rnt: 18 }, { minDepth: 81, maxDepth: 90, rnt: 16 }, { minDepth: 91, maxDepth: 100, rnt: 14 }, { minDepth: 101, maxDepth: 110, rnt: 13 }, { minDepth: 111, maxDepth: 120, rnt: 12 }, { minDepth: 121, maxDepth: 130, rnt: 11 }, { minDepth: 131, maxDepth: 140, rnt: 10 }, { minDepth: 141, maxDepth: 150, rnt: 9 }, { minDepth: 151, maxDepth: 160, rnt: 9 }, { minDepth: 161, maxDepth: 170, rnt: 8 }, { minDepth: 171, maxDepth: 180, rnt: 8 }, { minDepth: 181, maxDepth: 190, rnt: 8 }, ], }, { repetLetter: 'E', rnt: [ { minDepth: 0, maxDepth: 10, rnt: 427 }, { minDepth: 11, maxDepth: 15, rnt: 164 }, { minDepth: 16, maxDepth: 20, rnt: 106 }, { minDepth: 21, maxDepth: 25, rnt: 79 }, { minDepth: 26, maxDepth: 30, rnt: 63 }, { minDepth: 31, maxDepth: 35, rnt: 53 }, { minDepth: 36, maxDepth: 40, rnt: 45 }, { minDepth: 41, maxDepth: 45, rnt: 40 }, { minDepth: 46, maxDepth: 50, rnt: 35 }, { minDepth: 51, maxDepth: 55, rnt: 32 }, { minDepth: 56, maxDepth: 60, rnt: 29 }, { minDepth: 61, maxDepth: 70, rnt: 25 }, { minDepth: 71, maxDepth: 80, rnt: 22 }, { minDepth: 81, maxDepth: 90, rnt: 19 }, { minDepth: 91, maxDepth: 100, rnt: 17 }, { minDepth: 101, maxDepth: 110, rnt: 16 }, { minDepth: 111, maxDepth: 120, rnt: 14 }, { minDepth: 121, maxDepth: 130, rnt: 13 }, { minDepth: 131, maxDepth: 140, rnt: 12 }, { minDepth: 141, maxDepth: 150, rnt: 11 }, { minDepth: 151, maxDepth: 160, rnt: 11 }, { minDepth: 161, maxDepth: 170, rnt: 10 }, { minDepth: 171, maxDepth: 180, rnt: 10 }, { minDepth: 181, maxDepth: 190, rnt: 9 }, ], }, { repetLetter: 'F', rnt: [ { minDepth: 0, maxDepth: 10, rnt: 0 }, { minDepth: 11, maxDepth: 15, rnt: 218 }, { minDepth: 16, maxDepth: 20, rnt: 134 }, { minDepth: 21, maxDepth: 25, rnt: 98 }, { minDepth: 26, maxDepth: 30, rnt: 77 }, { minDepth: 31, maxDepth: 35, rnt: 64 }, { minDepth: 36, maxDepth: 40, rnt: 55 }, { minDepth: 41, maxDepth: 45, rnt: 48 }, { minDepth: 46, maxDepth: 50, rnt: 42 }, { minDepth: 51, maxDepth: 55, rnt: 38 }, { minDepth: 56, maxDepth: 60, rnt: 35 }, { minDepth: 61, maxDepth: 70, rnt: 29 }, { minDepth: 71, maxDepth: 80, rnt: 25 }, { minDepth: 81, maxDepth: 90, rnt: 22 }, { minDepth: 91, maxDepth: 100, rnt: 20 }, { minDepth: 101, maxDepth: 110, rnt: 18 }, { minDepth: 111, maxDepth: 120, rnt: 17 }, { minDepth: 121, maxDepth: 130, rnt: 15 }, { minDepth: 131, maxDepth: 140, rnt: 14 }, { minDepth: 141, maxDepth: 150, rnt: 13 }, { minDepth: 151, maxDepth: 160, rnt: 13 }, { minDepth: 161, maxDepth: 170, rnt: 12 }, { minDepth: 171, maxDepth: 180, rnt: 11 }, { minDepth: 181, maxDepth: 190, rnt: 11 }, ], }, { repetLetter: 'G', rnt: [ { minDepth: 0, maxDepth: 10, rnt: 0 }, { minDepth: 11, maxDepth: 15, rnt: 298 }, { minDepth: 16, maxDepth: 20, rnt: 166 }, { minDepth: 21, maxDepth: 25, rnt: 118 }, { minDepth: 26, maxDepth: 30, rnt: 92 }, { minDepth: 31, maxDepth: 35, rnt: 75 }, { minDepth: 36, maxDepth: 40, rnt: 64 }, { minDepth: 41, maxDepth: 45, rnt: 56 }, { minDepth: 46, maxDepth: 50, rnt: 49 }, { minDepth: 51, maxDepth: 55, rnt: 44 }, { minDepth: 56, maxDepth: 60, rnt: 40 }, { minDepth: 61, maxDepth: 70, rnt: 34 }, { minDepth: 71, maxDepth: 80, rnt: 29 }, { minDepth: 81, maxDepth: 90, rnt: 26 }, { minDepth: 91, maxDepth: 100, rnt: 23 }, { minDepth: 101, maxDepth: 110, rnt: 21 }, { minDepth: 111, maxDepth: 120, rnt: 19 }, { minDepth: 121, maxDepth: 130, rnt: 18 }, { minDepth: 131, maxDepth: 140, rnt: 16 }, { minDepth: 141, maxDepth: 150, rnt: 15 }, { minDepth: 151, maxDepth: 160, rnt: 14 }, { minDepth: 161, maxDepth: 170, rnt: 14 }, { minDepth: 171, maxDepth: 180, rnt: 13 }, { minDepth: 181, maxDepth: 190, rnt: 12 }, ], }, { repetLetter: 'H', rnt: [ { minDepth: 0, maxDepth: 10, rnt: 0 }, { minDepth: 11, maxDepth: 15, rnt: 450 }, { minDepth: 16, maxDepth: 20, rnt: 206 }, { minDepth: 21, maxDepth: 25, rnt: 141 }, { minDepth: 26, maxDepth: 30, rnt: 108 }, { minDepth: 31, maxDepth: 35, rnt: 88 }, { minDepth: 36, maxDepth: 40, rnt: 74 }, { minDepth: 41, maxDepth: 45, rnt: 64 }, { minDepth: 46, maxDepth: 50, rnt: 57 }, { minDepth: 51, maxDepth: 55, rnt: 51 }, { minDepth: 56, maxDepth: 60, rnt: 46 }, { minDepth: 61, maxDepth: 70, rnt: 39 }, { minDepth: 71, maxDepth: 80, rnt: 33 }, { minDepth: 81, maxDepth: 90, rnt: 29 }, { minDepth: 91, maxDepth: 100, rnt: 26 }, { minDepth: 101, maxDepth: 110, rnt: 24 }, { minDepth: 111, maxDepth: 120, rnt: 22 }, { minDepth: 121, maxDepth: 130, rnt: 20 }, { minDepth: 131, maxDepth: 140, rnt: 19 }, { minDepth: 141, maxDepth: 150, rnt: 17 }, { minDepth: 151, maxDepth: 160, rnt: 16 }, { minDepth: 161, maxDepth: 170, rnt: 15 }, { minDepth: 171, maxDepth: 180, rnt: 14 }, { minDepth: 181, maxDepth: 190, rnt: 14 }, ], }, { repetLetter: 'I', rnt: [ { minDepth: 0, maxDepth: 10, rnt: 0 }, { minDepth: 11, maxDepth: 15, rnt: 0 }, { minDepth: 16, maxDepth: 20, rnt: 257 }, { minDepth: 21, maxDepth: 25, rnt: 167 }, { minDepth: 26, maxDepth: 30, rnt: 126 }, { minDepth: 31, maxDepth: 35, rnt: 101 }, { minDepth: 36, maxDepth: 40, rnt: 85 }, { minDepth: 41, maxDepth: 45, rnt: 73 }, { minDepth: 46, maxDepth: 50, rnt: 65 }, { minDepth: 51, maxDepth: 55, rnt: 58 }, { minDepth: 56, maxDepth: 60, rnt: 52 }, { minDepth: 61, maxDepth: 70, rnt: 44 }, { minDepth: 71, maxDepth: 80, rnt: 38 }, { minDepth: 81, maxDepth: 90, rnt: 33 }, { minDepth: 91, maxDepth: 100, rnt: 30 }, { minDepth: 101, maxDepth: 110, rnt: 27 }, { minDepth: 111, maxDepth: 120, rnt: 24 }, { minDepth: 121, maxDepth: 130, rnt: 22 }, { minDepth: 131, maxDepth: 140, rnt: 21 }, { minDepth: 141, maxDepth: 150, rnt: 19 }, { minDepth: 151, maxDepth: 160, rnt: 18 }, { minDepth: 161, maxDepth: 170, rnt: 17 }, { minDepth: 171, maxDepth: 180, rnt: 16 }, { minDepth: 181, maxDepth: 190, rnt: 15 }, ], }, { repetLetter: 'J', rnt: [ { minDepth: 0, maxDepth: 10, rnt: 0 }, { minDepth: 11, maxDepth: 15, rnt: 0 }, { minDepth: 16, maxDepth: 20, rnt: 331 }, { minDepth: 21, maxDepth: 25, rnt: 198 }, { minDepth: 26, maxDepth: 30, rnt: 146 }, { minDepth: 31, maxDepth: 35, rnt: 116 }, { minDepth: 36, maxDepth: 40, rnt: 97 }, { minDepth: 41, maxDepth: 45, rnt: 83 }, { minDepth: 46, maxDepth: 50, rnt: 73 }, { minDepth: 51, maxDepth: 55, rnt: 65 }, { minDepth: 56, maxDepth: 60, rnt: 58 }, { minDepth: 61, 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maxDepth: 50, rnt: 99 }, { minDepth: 51, maxDepth: 55, rnt: 88 }, { minDepth: 56, maxDepth: 60, rnt: 79 }, { minDepth: 61, maxDepth: 70, rnt: 65 }, { minDepth: 71, maxDepth: 80, rnt: 55 }, { minDepth: 81, maxDepth: 90, rnt: 48 }, { minDepth: 91, maxDepth: 100, rnt: 43 }, { minDepth: 101, maxDepth: 110, rnt: 39 }, { minDepth: 111, maxDepth: 120, rnt: 35 }, { minDepth: 121, maxDepth: 130, rnt: 32 }, { minDepth: 131, maxDepth: 140, rnt: 30 }, { minDepth: 141, maxDepth: 150, rnt: 28 }, { minDepth: 151, maxDepth: 160, rnt: 26 }, { minDepth: 161, maxDepth: 170, rnt: 24 }, { minDepth: 171, maxDepth: 180, rnt: 23 }, { minDepth: 181, maxDepth: 190, rnt: 22 }, ], }, { repetLetter: 'N', rnt: [ { minDepth: 0, maxDepth: 10, rnt: 0 }, { minDepth: 11, maxDepth: 15, rnt: 0 }, { minDepth: 16, maxDepth: 20, rnt: 0 }, { minDepth: 21, maxDepth: 25, rnt: 470 }, { minDepth: 26, maxDepth: 30, rnt: 261 }, { minDepth: 31, maxDepth: 35, rnt: 191 }, { minDepth: 36, maxDepth: 40, rnt: 152 }, { minDepth: 41, 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maxDepth: 40, rnt: 169 }, { minDepth: 41, maxDepth: 45, rnt: 140 }, { minDepth: 46, maxDepth: 50, rnt: 120 }, { minDepth: 51, maxDepth: 55, rnt: 105 }, { minDepth: 56, maxDepth: 60, rnt: 93 }, { minDepth: 61, maxDepth: 70, rnt: 77 }, { minDepth: 71, maxDepth: 80, rnt: 65 }, { minDepth: 81, maxDepth: 90, rnt: 57 }, { minDepth: 91, maxDepth: 100, rnt: 50 }, { minDepth: 101, maxDepth: 110, rnt: 45 }, { minDepth: 111, maxDepth: 120, rnt: 41 }, { minDepth: 121, maxDepth: 130, rnt: 37 }, { minDepth: 131, maxDepth: 140, rnt: 34 }, { minDepth: 141, maxDepth: 150, rnt: 32 }, { minDepth: 151, maxDepth: 160, rnt: 30 }, { minDepth: 161, maxDepth: 170, rnt: 28 }, { minDepth: 171, maxDepth: 180, rnt: 26 }, { minDepth: 181, maxDepth: 190, rnt: 25 }, ], }, { repetLetter: 'Z', rnt: [ { minDepth: 0, maxDepth: 10, rnt: 0 }, { minDepth: 11, maxDepth: 15, rnt: 0 }, { minDepth: 16, maxDepth: 20, rnt: 0 }, { minDepth: 21, maxDepth: 25, rnt: 372 }, { minDepth: 26, maxDepth: 30, rnt: 372 }, { minDepth: 31, maxDepth: 35, rnt: 245 }, { minDepth: 36, maxDepth: 40, rnt: 188 }, { minDepth: 41, maxDepth: 45, rnt: 154 }, { minDepth: 46, maxDepth: 50, rnt: 131 }, { minDepth: 51, maxDepth: 55, rnt: 114 }, { minDepth: 56, maxDepth: 60, rnt: 101 }, { minDepth: 61, maxDepth: 70, rnt: 83 }, { minDepth: 71, maxDepth: 80, rnt: 70 }, { minDepth: 81, maxDepth: 90, rnt: 61 }, { minDepth: 91, maxDepth: 100, rnt: 54 }, { minDepth: 101, maxDepth: 110, rnt: 48 }, { minDepth: 111, maxDepth: 120, rnt: 44 }, { minDepth: 121, maxDepth: 130, rnt: 40 }, { minDepth: 131, maxDepth: 140, rnt: 37 }, { minDepth: 141, maxDepth: 150, rnt: 34 }, { minDepth: 151, maxDepth: 160, rnt: 32 }, { minDepth: 161, maxDepth: 170, rnt: 30 }, { minDepth: 171, maxDepth: 180, rnt: 28 }, { minDepth: 181, maxDepth: 190, rnt: 26 }, ], }, ], }; exports.default = usNavyResidualNitrogenTime;