A new and distinct cultivar of Hydrangea plant named \u2018WRHPBB2\u2019, characterized by its upright, outwardly spreading and mounded plant habit; strong and sturdy stems; dark green-colored leaves; large mophead-type inflorescences with sterile flowers with relatively large white-colored sepals; and good winter hardiness. The system is particularly effective for remediation of PCBs. Actuating a switch causes the bar to move horizontally in one of two directions. The ophthalmic surgical microscope system includes an ophthalmic ancillary module having an adjustable ophthalmic magnifier lens. From the received impulse response parameter, the application identifies a second audio-track interval that is before the first interval.