40 CFR 279.46 - Tracking.
(3) The quantity of used oil accepted;
(4) The date of acceptance; and
(i) Except as provided in paragraph (a)(5)(ii) of this section, the signature, dated upon receipt of the used oil, of a representative of the generator, transporter, or processor/re-refiner who provided the used oil for transport.
(ii) Intermediate rail transporters are not required to sign the record of acceptance.
(b)Deliveries. Used oil transporters must keep a record of each shipment of used oil that is delivered to another used oil transporter, or to a used oil burner, processor/re-refiner, or disposal facility. Records of each delivery must include:
(3) The quantity of used oil delivered;
(4) The date of delivery;
(ii) Intermediate rail transporters are not required to sign the record of delivery.
(d)Record retention. The records described in paragraphs (a), (b), and (c) of this section must be maintained for at least three years.