Specifications include, but are not limited to:provide the JMF for any 448 items. The JMF will be approved by current ODOT procedures. The current requirements of 403, 441 and 448 (quality control and acceptance testing included) will apply for purchase orders of over 3000 tons of 448 material. The Contractor/Producer will be given 48 hours notice from the District so he can prepare for QC testing. The current small quantities guideline (Small Quantity Bituminous Concrete Testing and Acceptance) can be used, if applicable, for purchase orders over 3000 tons. For purchase orders under 3000 tons, only an approved JMF for 448 is required. District sampling will be at the direction of, and using procedures provided by, the District Testing Engineer. Sampling frequency will be at least every 750 tons.