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Califorr Department of Health Services hviL # 4ylY-� to <br /> H, _dous Materials Laboratory <br /> IM30RATORY REPORT <br /> Chlorophenoxy Herbicides <br /> Date Received <br /> Collector's Name C.A , Lby Laboratory <br /> Sampling Location w�(, ,G�,„Ar„rt- Collector's Sample # to <br /> A/. 7j Aatlo - 3,>e <br /> Analytical Procedure: Solid and aqueous samples are acidified and then extracted with <br /> dichloromethane. Chlorophenoxy herbicides analyzed by HPLC using <br /> W detector. <br /> HML # /-6g � A-68-9- <br /> Collector's Sample # 41 -Io-;o) (cs-/o-3og <br /> 2,4-D Acid 2,4,5-T Acid — - <br /> 2,4-DB Acid — <br /> Silvex - <br /> 2,4-D Isopropyl ester <br /> 2,4-D Propyl glycol Butyl ester -- <br /> 2,4-D Butoxy ethanol ester — - <br /> 2,4,5-T Butoxy butanol ester <br /> 2,4-DB Butyl ester - <br /> 2,4-DB Isobut 1 ester <br /> 2,4,5-T Ethyl hexyl ester — — <br /> 2,4-DB Isooct 1 ester — <br /> Note: (-) a Not detected Jt7tj�,fq:�_ /; r 2.S'/' oK�-o/`� x S- --f \ <br /> (blank) - Not determined <br /> Analyst's Signature Signature of Supervising Chemist <br /> 1 <br /> (Date) (Date) <br />