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CLEANUP AND ABATEMENT ORDER CALIFORNIA TANK LINES, INC. SAN JOAQUIN COUNTY -2- 8. Water samples in Walker Slough at the point of discharge contained 348.5 mg/1 of copper with a hardness of 69.99 mg equivalent CAC03/1. An upstream water sample contained only 0.8 mg/l copper. A water sample from the earthen ditch within 30 feet of the site was a very bright aqua blue color and contained 3,214 mg/1 copper. The Ambient Water Quality Criteria (EPA) to -protect fresh water aquatic life based on a hardness value of 69.99 mg equivalent CAC03/1 and one-hour average is 8.75 ug/1. 9. Chromium and other heavy metals were also detected in the site drainage and in Walker Slough, at the point of discharge, at levels exceeding upstream levels. 10. The Discharger has caused a condition of pollution and continues to cause, or threatens to cause, surface water pollution. 11. Section 13304(a) of the California Water Code provides that: "Any person... who has caused or permitted, causes or permits, or threatens to cause or permit any waste to be discharged or deposited where it is, or probably will be, discharged into the waters of the state and creates, or threatens to create, a condition of pollution or nuisance, shall upon order of the Regional Board cleanup such waste or abate the effects thereof, or in the case of threatened pollution or nuisance, take other necessary remedial action..." 12. Issuance of this Order is exempt from the provisions of the California Environmental Quality Act (Public Resources Code Section 21000, et seq.) in accordance with Section 15321(a)(2), Chapter 3, Title 14, of the California Administrative Code. IT IS HEREBY ORDERED that pursuant to the California Water Code, California Tank Lines, Inc., and Chemical Transfer Company shall cleanup and abate pollution and threatened pollution by taking the following actions under the direction of a California Registered Civil Engineer: 1. By 30 March 1987 cleanup: a. The contaminated bank soils and vegetation that is exposed during low tides and flooded during high tides.* b. The drainage system leading from the site to Walker Slough. If this cannot be accomplished, an alternate drainage system must be provided. * Contaminated bank soils and vegetation are those that have been contaminated by the discharge from the culvert.