26 THE NATIONAL FOREST MANUAL. 



would be of value in a specific investigation be secured before the 

 working plan is approved by the executive officer. 



Procedure with, modifications. 



Modifications of approved working plans will follow the same pro- 

 cedure as the original plan. 

 Working plan outlines. 



A suggested outline for use in the preparation of working plans is 

 given on pages 32 and 33 of the Appendix. 



Summary of procedure. 



The procedure followed in working plans is summarized as fol- 

 lows: 



(1) Prepared and signed by a member of the Service assigned to 

 conduct the project. 



(2) Initialed by district forester or other executive officer super- 

 vising the work. 



(3) Reviewed by committtee of experts on work of the general 

 character involved or related lines of work and by others whose judg- 

 ment on the plan should be obtained. 



(4) Reviewed by executive officers of other units of the Branch or 

 of other branches. 



(5) Approved by the director of the Forest Products Laboratory 

 or chief of Industrial Investigations, in the case of plans within the 

 respective provinces of each, or by the assistant forester in charge of 

 the Branch when so directed. 



(6) Filed at: (a) Office of final approval (Forest Products Labo- 

 ratory or Industrial Investigations) ; (6) offices executing the work. 



DESCRIPTION OF MATERIAL. 



Material received for experimental purposes will be classified as 

 " shipments " or " samples." 

 Shipment. 



A shipment consists of a quantity of material handled as a unit 

 before reaching a station, such as consignments of creosote, timbers 

 for testing, material for pulpwood experiments and bulky chemicals. 

 A shipment may be received in one or more installments, but differ- 

 ent installments must have the same general history and characteristic 

 Eroperties. Each shipment will be given a symbol consisting of a 

 itter indicating the receiving* station and a serial number. For 

 example, the first shipment received at the Forest Products Labora- 

 tory is designated " Shipment L-l " ; the second shipment, " Ship- 

 ment L-2 ", etc. 



Shipment descriptions. 



Shipments will be described in accordance with the instructions on 

 pages 32 to 35 of the Appendix. The procedure in shipment descrip- 

 tions is as follows : 



(1) Prepared and signed jointly by persons collecting and receiv- 

 ing the material. 



(2) Filed at: (a) Laboratory or Office of Industrial Investiga- 

 tions, as the case may be; (6) office or station supervising the work. 

 Sample. 



Samples are relatively small quantities of material for chemical 

 analysis or other technical examination. A sample may consist of a 



