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STATE OF CALIFORNIA-Environmental Protectimency PETE WILSON, Govemoi <br /> CALIFORNIA REGIONAL =\TER QUALITY CONTROL BOARD <br /> WL/FQ�4 <br /> CENTRAL VALLEY REGION <br /> 3443 Routier Road,Suite A <br /> Q� <br /> Sacramento,CA 95827-3098 <br /> PHONE:(916)255-3000Ah <br /> FAX:(916)255-3015 <br /> 29 April 1996 <br /> Mr. Verrill Norwood <br /> Pioneer Chlor Alkali Company, Inc. <br /> 116 Sunburst Lane, MW <br /> Cleveland, Tennessee 37312 <br /> SAMPLING AT ALL PURE CHEMICAL COMPANY, TRACY, SAN JOAQUIN COUNTY <br /> On 20 March 1996, Robert Reeves and I collected water samples from the supply wells and wastewater <br /> ponds at the All Pure Chemical facility in Tracy. These samples were collected to verify the results of <br /> the samples we collected in January 1996. We also collected a sample from the pond (Pond 5) which <br /> receives wastewater containing water softener, and samples of stormwater present on All Pure's <br /> property which is south of the cyclone fence surrounding All Pure's area of operations. <br /> As the attached memo states, the March sampling confirms the presence of volatile organic compounds <br /> (VOCs) in Ponds 1, 2, and 4. Pond 3 contained a trace of chloroform, compared to the low levels of <br /> chloroform, chlorobenzene, and 2-chlorotoluene detected in the January 1996 sample. In addition, <br /> Pond 5 contained low levels of chloroform and other VOCs. The VOCs detected in the two stormwater <br /> samples indicate wastewater from the ponds has overflowed to the surrounding area. <br /> During our sampling in March, Mr. Vickers requested that I not take photographs of the ponds. I agreed <br /> to wait until he obtained your approval. Mr. Vickers offered to take photographs of the ponds and <br /> monitoring wells and send them to me after obtaining your approval. Mr. Vickers subsequently <br /> informed me that you do not want pictures taken of the ponds. However, in a 24 April 1996 phone <br /> conversation with Ms. Wendy Cohen, you stated that Mr. Vickers was in error, and you have now <br /> directed him to take the pictures we want and send them to us. It is important to document the location <br /> of all the ponds and wells and the condition of the pond liners before the ponds are closed. Please send <br /> us the pictures by 15 May 1996. <br /> If you have any questions, you may call me at (916) 255-3048. <br /> POLLY LO <br /> Y <br /> Associate Engineering Geologist <br /> PAL:pal/lsb <br /> Attachments <br /> cc: San Joaquin County Public Health Services, Stockton <br /> Mr. Tim Vickers, All Pure Chemical Company, Tracy <br />