No wastes will be deemed acceptable for ocean dumping unless such wastes can be dumped so as not to exceed the limiting permissible concentration as defined in Sec. 227.27; Provided, That this Sec. 227.8 does not apply to those wastes for which specific criteria are established in Sec. 227.11 or Sec. 227.12. Total quantities of wastes dumped at a site may be limited as described in Sec. 228.8.