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Advanced GeoEnvironmental, Inc. <br /> Stockton . Santa Rosa . Monterey . Brea . Spokane . Reno . Dallas 1-800-511-9300 <br /> dvillanueva@advgeoenv.com www.advgeoenv.com This email message is for the sole <br /> use of the intended recipient(s) and may contain confidential and privileged <br /> information. Any unauthorized review, use, disclosure or distribution of this email/fax is <br /> prohibited. If you are not the intended recipient, please contact the sender by email/fax <br /> and destroy all paper and electronic copies of the original message. <br /> -----Original Message----- <br /> From: Jim Barton [mailto:jbarton@waterboards.ca.gov] <br /> Sent: Thursday, November 03, 2011 7:00 AM <br /> To: Daniel Villanueva <br /> Cc: Robert E.Marty; Tim Cuellar; wlittle@advgeoenv.com <br /> Subject: Re: Boulevard Automotive Service: 2151 Country Club Boulevard, Stockton, <br /> CA - ISCO Pilot Study Work Plan Response <br /> Hi Daniel, <br /> My concern was health based, with using HCI (hydrochloric acid) with an oxidizer <br /> (1-12O2). The bench scale test used sulfuric acid (H2SO4). The HCI MSDS says: <br /> SECTION VI - REACTIVITY DATA <br /> STABILITY: This Product is stable <br /> CONDITIONS TO AVOID: <br /> .C.o.n tact with metals may cause generation of flammable concentrations of hydrogen <br /> gas. <br /> INCOMPATIBILITY: (Materials to avoid) <br /> Avoid basic, alkalis and corrosive materials. Avoid contact with most ... <br /> metals. Avoid oxidizing materials (can oxidize to chlorine <br /> Chlorine gas is a health hazard to the technician injecting or mixing the solution. For <br /> example, mixing bleach with ammonia will produce chlorine gas. I cannot agree to any <br /> action that might cause serious injury or death. <br /> Please advise what precautions AGE will take to prevent the above reaction. <br /> Thanks. <br /> Jim Barton <br /> James L.L. Barton, P.G. <br /> Engineering Geologist <br /> California Regional Water Quality Control Board Central Valley Region, 11020 Sun <br /> Center Drive, Suite 200, Rancho Cordova, CA 95670 office (916) 464-4615 <br /> fax (916) 464-4704 <br /> 3 <br />