Section R. 285.715.12 - Hermetically sealed containersRule 12. A germination test for seed in hermetically sealed containers shall apply for a period of 36 months if all of the following conditions are met:
(a) The seed was packaged within 9 months after harvest.(b) The container used does not allow water vapor penetration (WVP)through any wall, including the seals, at a rate of more than 0.05 grams of water per 24 hours per 100 square inches of surface at 100 degrees Fahrenheit with a relative humidity (RH) on 1 side of 90% and on the other side of 0%. Water vapor penetration is measured by the standards of the United States bureau of standards as: Gm. H2 O/24 hr./100 sq. in./100oF./90% RH V.0% RH.(c) The seed in the container does not exceed the percentage of moisture, on a wet-weight basis, as listed in the following table:TABLE 4
| Agricultural Seeds |
| Seeds | Percent |
| Beet, field | 7.5 |
| Beet, sugar | 7.5 |
| Bluegrass, Kentucky | 6.0 |
| Clover, crimson | 8.0 |
| Fescue, red | 8.0 |
| Ryegrass, annual | 8.0 |
| Ryegrass, perennial | 8.0 |
| All others | 6.0 |
| Vegetable Seeds |
| Seeds | Percent |
| Bean, garden | 7.0 |
| Bean, lima | 7.0 |
| Beet | 7.5 |
| Broccoli | 5.0 |
| Brussels sprouts | 5.0 |
| Cabbage | 5.0 |
| Carrot | 7.0 |
| Cauliflower | 5.0 |
| Celeriac | 7.0 |
| Celery | 7.0 |
| Chard, Swiss | 7.5 |
| Chinese cabbage | 5.0 |
| Chives | 6.5 |
| Collards | 5.0 |
| Corn, sweet | 8.0 |
| Cucumber | 6.0 |
| Eggplant | 6.0 |
| Kale | 5.0 |
| Kohlrabi | 5.0 |
| Leek | 6.5 |
| Lettuce | 5.5 |
| Muskmelon | 6.0 |
| Mustard, India | 5.0 |
| Onion | 6.5 |
| Onion, Welsh | 6.5 |
| Parsley | 6.5 |
| Parsnip | 6.0 |
| Pea | 7.0 |
| Pepper | 4.5 |
| Pumpkin | 6.0 |
| Radish | 5.0 |
| Rutabaga | 5.0 |
| Spinach | 8.0 |
| Squash | 6.0 |
| Tomato | 5.5 |
| Turnip | 5.0 |
| Watermelon | 6.5 |
| All others | 6.0 |
(d) The container is conspicuously labeled in not less than 8-point type to indicate all of the following:(i) That the container is hermetically sealed.(ii) That the seed has been preconditioned as to moisture content.(iii) The calendar month and year in which the germination test was completed.(e) The percentage of germination of vegetable seed at the time of packaging was equal to or above the standards specified in R 285.715.9.Mich. Admin. Code R. 285.715.12