For the purpose of complying with emissions monitoring requirements, the south coast district shall allow sources the option of using an electronic or computer data storage system. The district may require the electronic or computer data storage system to have the same degree of signal path security as with existing strip chart recorder systems.
Source:
Section 40440.3, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=HSC§ionNum=40440.3..