Document p81Le7ae8ykjoOY29wop28jD

13 MARTHA A MADDEN SECRETARY OFFICE OF AIR QUALITY AND NUCLEAR ENERGY February 8, 1988 GUSTAVE A. VON BODUNCEN ASSISTANT SECRETARY PPG Industries, Inc. Lake Charles Complex P. O. Box 1000 Lake Charles, LA 70602 Attention: Mr. Tom G. Brown, Works Manager Dear Mr. Brown: Re: Compliance Inspection September 28, 29 and 30, 1987 During the week of September 28. 1987. Mr. Anthony Jones and Mr. William Coltrin of our Southwest Regional Office performed an inspection of PPG Industries, Inc., Lake Charles Complex. Their report indicates that at the time of their inspection, this facility appeared to be in compliant* with applicable Louisiana Air Quality Regulations. However, several deficiency We would appreciate your immediate study of and attention' to these areas of deficiency, which are as follows: 1. Oxygen monitors installed to comply with NSPS and PSD regulations or BACT on fossil-fueled steam generator* <hrmM h*vr> Imu-and high range alarm point*. Opacity r^^nitor. <K<viM maintained to read correct opacity and, if so equipped, have corresponding real time displayed or indicated on strip charts. We reoue^t that PPG supply a listing of continue"? installed to meat reouiramantg of NSP> or PSP; also a listing of the BACT alarm limits of the monitors. TM 2 0256^9 a) Mercury was noted on the pillars and cross-ties th rn*rrurv 5 ceil area. It is rypmm.nLri that th cross-tirs he sealed in some PPG Industries, Inc. 2/S/SS Page 2 We request that the company respond with a listing of the housekeeping practices they will employ to orevent~recurren^g nt this Kina. b. The exit temperature of the Mercury Fume System was higher jhan normaJ. Please provide in writing remedial action to be. .Taken to keep fume system temperatures in the correct operating ran^e. 3. Silicas Plant' a. The opacity of the silicas furnace appeared to be at or above tiy permitted opacity. limit. Meteorological conditions prevented a valid Method 9 determination. Please review the operation of t^p furnace and its opacity to determine if additional necessary to maintain the permitted opacity limit (20% opacity). ~ b. PPG is requested to determine if mercury is being emitted fmm Si|ica Plant emission pninfj. The caustic used to make the "frit" is supplied by the Mercury Cell unit, and could conceivably contain mercury. c. PPG is requested to improve maintenance and housekeeping in the baghouse and rail car loading areas. Sotill 61 silica" material were noted in the rail car area, and caked silica material was noted in the .baghouse area, all indications of inadequate attention being given these areas. In addition, the curtains used to prevent fugitive particulate emissions were tom and in need of replacement or repair. A preventive to<f shnulH kept TM fpf baghouaes. Accord pf pressure Ann across the heehouse should be kept to indicate the frequency of operational checks on the "baghouse units* * detection ppd niimmetino r-prtr-K for VrM.IT And Tri.Fthane. IT ran be improved bv implementing the following* After repairing a leaking component, re-check with an OVA and record die reading. 5. Fugitive dust problems from unpavedfroadways SL 025650 The potential for fugitive dipt from the ynpaved was noted. This becomes a pr blem the company should address in high traffic the plant, .g. the lab loop road, vrw n -- - PPG Industries, Inc. 2/8/8S Page 3 We request that PPG consider usinp a dust suppressant^ i.e. water spray, chemical treatment or paving, in these particular high traffic areas of the facility. 6. Asbestos in fchlor- Alkali production and demolition renovation projects All asbestgi tn the requirements of the Louisiana Air Quality Regulations. No deficiencies were noted at the time of the inspection. The various resoojiacs-requested above are due to the Department within thirty (30) days after your receipt of this letter.- ---- We appreciate PPG's continued support and cooperation in maintaining the quality of our State's environment. 3RN/WEC/mh cc: Southwest Regional Office SL 025651