Final answer:
The question asks for a specific type of Dishwasher Drain Airgap as listed in IAPMO PS 23-2006a, which cannot be determined without direct access to the document.
Step-by-step explanation:
The subject question pertains to the International Association of Plumbing and Mechanical Officials (IAPMO) PS 23-2006a standards, which is a document providing specifications for plumbing systems, in this case, specifically for Dishwasher Drain Airgaps. Without access to the document, it is not possible to provide the type listed in the application column of Table 1701.2. Standards like these ensure that plumbing components are designed and installed in a way that meets regulatory requirements and supports public health and safety. If you have access to the IAPMO PS 23-2006a document, please consult Table 1701.2 directly to find the answer regarding the specific type of Dishwasher Drain Airgap required or recommended.