Test groups, parameters, matricies, units and concentrations can found in PTC’s Catalog, document PAR02.
Note the dates for the June study have been set as outlined below.
2020 PT Schedule (tentative dates)
| | OCT 2019 | JAN | MAR | JUN | OCT |
| Invoice / Ship Notice | Aug 9, 2019 | Nov 22, 2019 | Jan 10 | Jun 24 | Aug 7 |
| Registration Deadline | Sep 13, 2019 | Dec 20, 2019 | Feb 14 | Jul 24 | Sep 11 |
| Shipping | Oct 21, 2019 | Jan 20 | Mar 16 | Aug 24 | See October Instructions |
| Reporting Deadline | Nov 22, 2019 | Feb 21 | May 15 | Sept 25 | Nov 27 |
2020 Asbestos Schedule (tentative dates)
| | OCT 2019 | JAN | MAR | JUN | OCT |
| Invoice / Ship Notice | Aug 9, 2019 | Nov 22, 2019 | Jan 10 | Jun 24 | Aug 7 |
| Registration Deadline | Sep 13, 2019 | Dec 20, 2019 | Feb 14 | Jul 24 | Sep 11 |
| Shipping | Oct 7, 2019 | Jan 13 | Mar 9 | Aug 17 | Oct 12 |
| Reporting Deadline | Nov 1, 2019 | Feb 7 | Apr 3 | Sept 11 | Nov 6 |
