Document Yr7x3Z5VLB1KE8L2636ygp1mk

TO: POLY TECHNICIANS LOCATION: Pedricktovn DATE: APRIL 16, 1970 FROM: S.M.EVANS Before opening nanhcad on polys visually chock that the following valves are closed* l* Block Valve in Charge Line 2. Block Valve in Recovery Line 3. Block Valve in Blow Down Line on the common poly on the Blow Down Line* Make sure that the cleaning station at each poly is operated correctly, for flushing, cleaning and entry before opening manhead and preceding with each step* * ** ** This past week we have had two (2) incidences of Vinyl spills In the Bldg* Steps are being taken to try and correct problems involved in each of these circumstances. In the meantime please review - "HAZARDOUS VAPOR HANDLING SYSTEM** procedure* When a major spill takes place immediately sound the .gas alarm, turn on the emergency fans and fog system. Evacuate the bldg* as described in the procedure* A complete report concerning both incidences will be forthcoming shortly. CC: A*R.Webber J.W.Goetsch J.W.Gressler Lead Techs Steve Evans NGC 15659 PLY! 075 `J CLEft CLER AKHQ PTYN 04 13 ECW 1309 005 0. F. DOWELH CLER 0, F. BECKMEYER CLEt L. CATO AKRON' NEAR MIS GAS ESCAPE NO INJURIES ON APRIL 12, 1970 AT APPROXIMATELY 10=30 PM EXPERIENCE.. A GAS ESCAPE THROUGH THE MANKEAU c/ poly $4 in -)U TIDING 513. POLY #6 FAS PUT Oil RECOVERY WITH doTH RECOVERY VLAVES LLL PUT INTO IKE OPEN P0SIT1UN. POLY 04 CAS `.-MPTy EITK THE MAUHEAD OPEN. LOTH RECOVERY VALVES ON POLY #4 VEPl A1.SC/ OPEN. AS POLY #6 WAS REVG VETTED THE -.LCOVE;;.^ VCL VA5 PRESSURED THROUGH THE REGjVE.Y LINE -O' POE { 4, THUS 'CAUSING THE VCL 11) ESCAPE THROUGH THE FAJH-EA^ OF POLY #4. THE SUILUlvlG WAS EVACUATED, HOWEVER, THE GAS ALARY, YAG vOY SOUNDED. THE VALVES Oil POLY #4 YJ.IE CLOSED Sy I HE OOLPUTEK. THE GUILDUu WAS CLEAi-.E . jF VCL WITH!:; 10 MINUTES AFTER CHE VALVES Tv:he. CLOSED OH POLY 04. THE av-'PEUTlOATIOU OF VCL KA_. TO JL LE YYT i\ AT HE DISCHARGE SIDE OF THE EHE^lJCY F.Y1U. 1 i -i _i FACT [HAT THE * S. A. CAS AO-'-'j.y. :y ..T: A 'ARUATIVH REPORT WILL FULLOY. J. <. *ji i e.ooLwl \ ~. - 1^ 2 C 1970 c ---- - c e c; e c c ( e NGC 15660