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r <br /> toff <br /> urn. SAN JOAQUIN COUNTY <br /> y ENVIRONMENTAL HEALTH DEPARTMENT <br /> 600 E Main Street Stockton -CA 95202 <br /> (209)468-3420 -Fax:(209)468-3448■ Web:www.siaov.org/ehd <br /> •pR <br /> EMERGENCY RESPONSE INVESTIGATION REPORT:(,NC4u0FCKRONOIOGICAIKISTORY.RECOMMM TIONS.CLEMUPWdFINALoSMSITION) <br /> 414!2011 8:30am Received Emergency Response(ER)call and Spill Reprt Cal EMA 11-2159 <br /> 8:40am Called Scott Rosenquist,who asked me to contact Ryan Mock who will handle the cleanup. <br /> 9:00am Spoke to Ryan. NRC should be on site shortly. <br /> 9:30am Arrived on site. Ryan stated about 100 gallons of sulfuric acid was released at a failed Flange in <br /> the trench,of which about 10 gallons reached the soil at the south end. Observed soda ash used to neutralized the <br /> spill inside the trench, acid still dripping from the flange at about 1 drop a second,the acid pooled beneath the <br /> flange,and the impacted soil at the end. The length of the spillage from the flange to the impacted soil was about <br /> 39 feet. Ryan stated NRC will dig up the impacted soil, pumped out the acid beneath the flange, and return both <br /> the used soda ash and the impacted soil to the manufacturing process rather than managed as hazardous wastes. <br /> 111; 3%.�W am Left site with the understanding that NRC will not be able to complete the clean up today. Once <br /> the soda ash is removed the acid remaining in the line will be blown back into the tank so the flange can be <br /> repaired. Remaining impacted soil will then be excavated and returned to the process. Ryan will call to schedule <br /> final clean up verification,when he will sample the soil for corrosivity. <br /> 415/2011 8 am Ryan left voice mail for an inspection this afternoon at Spm. Returned his call to confirm. <br /> 12 pm Ryan called and stated due to excessive amount of soda ash used they are unable to return the <br /> impacted soil and spent soda ash to their manufacturing process. All the wastes will be managed as hazardous <br /> waste by NRC and a licensed hazardous waste hauler. Tentatively scheduled for a final clean up inspection <br /> tomorrow at 2:30 pm. <br /> .,olc.0- mal +K$,+- +� C14aN. wP 14-- be- cork pltfed <br /> {.nSe C+ia^ @ 2 ►-tvcta-j . j�¢ fvr+r �i s t�►(l ar,d s- <br /> nsp?t ion -fvr -faWorro-j k¢ L L t Q^A "'t" z nn . W;ll Catl him <br /> A. lZyan S"k W &4,p- W:ll �o� b2 se,+ � <br /> v n r ! A-- <br /> py�►!S'r'�O� IM1'�"Y 4 i�'ri bQP/it P f'�!L � S e 1�1 O 1'Y�A1A i T./�l.�'{�S -Jilt b <br /> `t!8l7at ro�poaM Observtjt ro(1..644` b'A l "WvtJ -f4 .QXCma.� <br /> oAd excez soda! �.t� . kyan a� d ;��y V""b +el1+;a� <br /> sfafe� •-E' �/ a���° ! W i fk at( fes- L!'P t Kf MaefPri�XS C f M , <br /> Cawt+ to es7 �;It b'p— 1ta�1[ek 44r -6A)eA*y Irs WV"-dcL.tS Ut/ <br /> b p.t er• �nvir»�+.n. a�- ante � viu ee- kas � pr�`C/%k . <br /> 3.5, CW j <br /> '�' � aacs�f-V al f <br /> VV AS "� •�-�"- - �; �yane S-f�. .Q f B fir-p 14 <br /> ltiJaS �s�oI'i G II G-� Tdvn �7�1r� r4fzt. <br /> �Tp- <br /> '94h <br /> Gj - I � �-f�. �+'n r�1e sus whd <br /> tab 4"� st,� 1s , - _ _ a.�•�- <br /> ,7-czrze -Pie t "'� ',5 ' ,� s,{-� n..J 1 t• +^. <br /> Rev.08/16/10 Page 3 or 3 ER Record <br />