FIELD DOCUMENTS AND WORK PLANS 1991

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(approximately 311 feet from Marley's South Yard fence). The third composite location was aligned with the front door of the residence at 32 Carroll Avenue (approximately 347 feet from Marley's South Yard fence). The two soil samples were collected directly into clean 3 ounce glass jars. No tools or sampling apparatus were used to collect the samples. Clean rubber ;loves were worn while collecting each sample. The two sample jars were sealed, labeled, and recorded on a chain-of- custody form. ANALYTICAL RESULTS The two samples were delivered under chain-of-custody procedures to California Analytical Laboratory/Enseco in West Sacramento. The two samples were analyzed for total arsenic and chromium on a 24 to 43 hour rush turnaround schedule. Sample 61141 had arsenic reposed at 5.2 mg/Kg and chromium reported at 45.6 mg/Kg. Sample 61142 had arsenic reported at 5.3 mg/Kg and chromium reported at 49.4 mg/Kg. The chain-of-custodv form and laboratory data sheets are attached. LIMITATIONS Kleinfelder performed this work in accordance with generally accepted standards of care which exists in Northern California at this time. Sample locations were specified by Mr. Willis of B&V and Mr. Jim Austreng. Results of this investigation are based on the analytical results provided by California Analyticai Laboratory/Enesco. More extensive studies, including subsurface investigations. may be performed to reduce uncertainties. If the client wishes to continue this investigation, Kleinfelder should be notified for additional consultation. No warranty, expressed or implied, is made. Sincerely, rl& • y / a4 Eric S. Findlay Project Geologist, R.G. Attachment CC: Mr. David Bates The Marley Cooling Tower Company ESF:smr F'_1-91-L1 Cc_pr-_gh= 1991 xleinfelder, Inc. St"c!NFE!DER :077 9xr;:r.,earr.. :_. . 9161 "hf�-I-01