TM 10-6640-215-13 1-3.  HAND RECEIPT (-HR) MANUALS- continued. accountability, additional -HR manuals may be requisitioned from the following source in accordance with procedures in AR 25-30 Chapter 3: Commander U.  S.  Army Publications Distribution Center - St.  Louis ATTN: SF1S-APC-OC 1655 Woodson Road St.  Louis, MO 63114-6181 1-4.  DESTRUCTION OF ARMY MATERIEL TO PREVENT ENEMY USE. Command decisions, according to tactical situation, will determine when destruction of the Petroleum Laboratory will be accomplished.  A destruction plan will be prepared by the using organization, unless one has been prepared by higher authority.  For general destruction procedures for this equipment, refer to TM 750-244-3, Procedures For Destruction of Equipment to Prevent Enemy Use. 1-5.  PREPARATION FOR STORAGE OR SHIPMENT. Refer to Section IV of Chapter 3. 1-6.  QUALITY ASSURANCE/QUALITY CONTROL (QA/QC). The  quality  of  the  Petroleum  Laboratory  must  at  all  times  be  in  compliance  with  the  requirements  set  forth  in  MIL-L- 0051050C(ME), paragraph 4.  If a discrepancy is found to exist between your laboratory and MIL-L-0051050C(ME), notify your supervisor. 1-7.  REPORTING EQUIPMENT IMPROVEMENT RECOMMENDATIONS (EIRs). If your Petroleum Laboratory needs improvement, let us know.  Send us an EIR.  You, the user, are the only one who can tell us what you don't like about your equipment.  Let us know why you don't like the design or performance.  Put it on an SF 368 (Product Quality Deficiency Report).  Mail it to us at Commander, U.  S.  Aviation and Troop Command, ATIN: AMSAT-I-MDO, 4300 Goodfellow Boulevard, St.  Louis, Missouri 63120-1798.  We'll send you a reply. 1-8.  SAFETY, CARE, AND HANDLING. Safe and efficient Petroleum Laboratory operations depend on the observance of well established safety practices and a thorough knowledge of testing procedures.  The testing procedures often involve using equipment and materials that are potentially  hazardous.    Injury  to  personnel  and  damage  to  equipment  by  fire,  chemicals,  dangerous  pressures  and vacuums, or misuse of equipment can be avoided by alert and responsible laboratory technicians.  Strict observance of established  safety,  care  and  handling  procedures  will  allow  laboratory  personnel  to  perform  their  duties  in  a  safe  and hazard-free environment. 1-2