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J' <br /> ♦G <br /> r.`... °�w K. a <br /> lY' Tom+ p ujI �` 4 Ja a y �A. <br /> ..ff '� � „1 ,�}�Ay�.w�C!�Y •T�'.' L [F 1 �`5"� '+N n�,hiL'•- � ��` PV �� ���"5[!8 nom.- � F. � Y�I *f�� .� � �'w <br /> vs '� F-"`.:=�Y-- ']''�:r..�:.4'-` :� �- �4, �''q'.-?ty:r '.r '..Ae+t�r...,.��..;1'• •'fit .•F S .�x 4 -'b, r <br /> F� <br /> L" B+1M RFM DiAT10NPLAN <br /> Shen Oil Cbn1(ieny <br /> 6201 West Charter Way,Stockton,caliromin <br /> Delta Project No.40-83-586 <br /> i <br /> Page 20 <br /> ra 4.3 Emission Control S steals and Permltlinta <br /> Specific air discharge. 'ulrements must be met when operating any soil or ground water remedial system <br /> r., that emits hydrocarbons to the air under the jurisdiction of the San Joaquin County Air Pollution Control <br /> District(APCD). T'be APCD requires the use of best available control technology. MEW' <br /> dtitttcfi rte!teatsiEs indicata that in brdes fo tbeet the dischr*lrmi�an emiKioA control devil 3�E, - <br /> t.a r ctttlas xct3valed carbon>3ZltersL a t: tdi7bkldiLr, <br /> „F , <br /> tneeceary at tho tsilt►.:'Ttb>�esiu�,: tttsol devitx --iva <br /> �i�iht:t 1[xt1i have baa cvaltth4rd. Appendix F gives more details on the rationale of emission <br /> E control device selection. <br /> t � <br /> t 4.3.1 Granular Activated Carbon Unit Va r- hose <br /> Activated carbon captures nearly 100 percent of the influent hydrocarbons. Activated carbon would be a <br /> cost-effective emissions control alternative only at hydrocarbon vapor concentrations less than 204 ppm and <br /> `Y at a flow rate of approximately 100 dirt. iittee4the data obtained from the soil venting and ground water <br /> t <br /> pump test indicate hlydrboseFatrationsi:$atand:l2,Op(f ppat;rttaltt allernativa7s'tlbt'rtiittiinic'i»! <br /> �'� <br /> ' during kltlgTliil38'Df`Me'praject. <br /> t _ <br /> 1^L <br /> 4.32 Catalytic Oxldirer <br /> f'9 , <br /> The catalytic oxidizer incorporates the use of a platinum catalyst to oxidize hydrocarbon vapors. Catalytic <br /> i <br /> oxidizers normally operate with a hydrocarbon destruction efficiency of between 90 to 99 percent. The <br /> catalytic mddinr is most economical for hydrocarbon vapor concentrations between 150 and 3,400 ppm. <br /> Since the vapor hydrocarbon concentrations from the soil venting and ground water pumping teat were found <br /> to be apprcAnately,12A00 ppmr th6 utt*-Qft:te c�ttatlytic.o�dd{z t coo Id.unt,be.erottotni :� <br /> +r <br /> i <br /> i 1 <br /> f <br /> i f <br /> � I <br /> L'f t <br /> s <br /> i <br /> 's <br /> t <br /> i <br /> IIs i <br /> I i <br />