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SCM, 5 f* rfe. VCM HCl BARIUM PA CHLORINE LEAD DNOP METHANOL ANTIMONY AMMONIA ABDOO139573 VISTA CHEMICAL COMPANY I* ABERDEEN CHEMICAL PLANT ^SAR1A 5313?EMISSIONS i3/w 1987 120,058 ( 272 1,223 1,012 1,000 13,552 71,897 NR1 1,255 1,965 1991 )31,121 272 623 325 NR1 3,518 16,951 1,000 1,336 NR1 1992 30,167 304 620 193 * ; nr1 2,397 13,115 1,000 2,117 NR1 1993 42,675 304 356 330 2,736 2,592 1^ CM Z 1,000 2,227 NR1 NR - NOT REPORTED 1Chemical use did not meet reporting threshold for reporting year Reporting no longer required for this chemical (Delisted) N/CAO- Cl^- ^ boV hbucr fa> Ok\\^ d'u# \>\ &1 be&ivs'C we ojt eno^/^ */" $*-*-- UvHl Ud4c^ p >*. enou^U C(^ -fcc <Z^ut(t, rCfOri^A.^ PaAIP- b*^ iftciucfio^ -pv Dwj'f iTec^c^- 7 V 4o U^P U M uJz&fc. o7{ firmed- z" bc^ftyyse- vo*. Ua/4 0%<- (J fo/O^S fv-arc ^ u/< hdr*u+s-- chvA kgoto/st vc cUa/? /ur KCA - fa ive^iAir- / ABDOO139574 VISTA CHEMICAL COMPANY ABERDEEN CHEMICAL PLANT SARA 313 EMISSIONS VCM HCl BARIUM PA CHLORINE LEAD DNOP METHANOL ANTIMONY AMMONIA 1987 120,058 272 1,223 1,012 1,000 13,552 71,897 NR1 1,255 1,965 1991 31,121 272 623 325 NR1 3,518 16,951 1,000 1,336 NR1 1992 30,167 304 620 193 NR1 2,397 13,115 1,000 2,117 NR1 1993 42,675 304 356 330 2,736 2,592 NR2 1,000 2,227 NR1 NR - NOT REPORTED 1Chemical use did not meet reporting threshold for reporting year Reporting no longer required for this chemical (Delisted) Chlorine - Did not exceed reporting threshold for chlorine until 1993 when water treatment plant came online. Vista's emissions ^partially offset emissions from City of Aberdeen. DNOP Big reduction from 1987 resulted from project that allowed reclamation of waste oil for recycling to VRP. Ammonia - We no longer use ammonia as a nutrient at the ponds and do not exceed reporting threshold. Barium - Stabilizer spills are absorbed with resin and recycled instead of disposal. HCl - Emissions tied directly in incinerator run time which is tied to production. VCM - Increase in 1993 due to shorter stripping times and higher production. We have returned to longer stripping times but will have higher production in 1994 and are projecting about 41,000 pounds of emissions.