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PROCEDURES FOR HANDLING NITRATE FILM Attachment 4
1. Checking new accessions. All accessions containing notion picture or still negative film dated prior to 1954 (or x-rays prior to 1934) must be • checked for nitrate filra
a. If the SF 135 states that the film is safety film a spot check should be made to confirm that it is safety film. This can he done by rctading the margin of the film. It oTiould give the brand nnuic (t'odak or Dupont) and the designation "safety film". If the technician c:an ccnfir.cv by such an examination that the film is safety film, he should annotate, date, and initial the SF 135 with the results of the check. If such a confirmation cannot be made, the technician will inform the Unit Head who will ensure that the film is isolated for further testing.
b. If the SF 135 does not Indicate that film is safety film,^ a move, thorough check must be made. If the technician can verify it is safety film, he shall annotate, date, and initial the SF 135 as above. If not,
/he shall inform the Unit Head and the film must be isolated for testing.
'2. Burn Test. This test shall be Esde on all qussrlDsable film. Using scissors, cut a piece from the edgsr of the filrs {az-pTz-j±natcJ.y 1/8" >; l/Z"). Hold the cut film \7ith t^;eezers and ignite top &z^= cr f ilm. If the film is nitrate it will burn rapidly dcvnvard with a h~r±z'z.~ y&llow flame until the entire sample is consumed. If it is safety fil3.it will ignite only with difficult^' and go out shortij after the match flaiae is rejuoved. The safety film will irielt and fcm a small rounded mass. ' It wiDl not be: consumed as the nitrate film is. If, after the test has been nade, there still is doubt as to whether or not the film is nitrate, the Center Direc.t;or should contact the Director, Centar Operations Division for guidance on further testing
3. Checking accessions already in holdings. 1?hen film records in c center appear to have a nitrate b=5e, they shall be isolated immediately for testing, and the procedures outlined in 1 and 2 above shall be followed.
4. Disposition of nitrate fllri.
a. All new accessions determined to have nitrate film shall be returned to the agency transferring the records. The agency should be informed that the records cannot be transferred to the center unless they aire reproduc«:d (>n safety film.
b. If nitrate film is discovered in a center's holdings the records shall be returned to the agency. The agency can decide whether to tranj:f cr to safety film or continue to hold the film.
c. If nitrate film is discovered in the Archives Branch holdings, it: shall be isolated imniediately and both NN and MC informed without delay. KN will make the determination about the disposition of the records.
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