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APR 28 '97 12:42PM JL ANALYTICAL SERV. P-2/2 <br /> J L ANALYTICAL SERVICES, INC, <br /> 217 Primo Wey • P 0.Boa 518185 . Modesto,Oalifornia 95357 <br /> Office(2091538-8111 FAX(209)538)966 <br /> 28 April 1997 <br /> Newark Sierra Paperboard <br /> Attn. Alec Hurd <br /> 800 West Church St. <br /> Stockton CA 95203 <br /> Alec, <br /> Thank you for choosing JL Analytical Services to care for your professional laboratory <br /> testing requirements The relationship we have established over time is one which I <br /> value <br /> At the end of last week, I was contacted by Dave Wong with questions regarding the QC <br /> on the EPA 625 method which was performed on the monitoring well samples. Although <br /> the report would appear to be problematic, the data is well within the acceptable ranges <br /> determined by 40 CFR. I have listed those ranges below for your reference. If you have <br /> any other issues or concerns or further questions about this sample or others, please let <br /> me know <br /> Regards, <br /> M�7 bs <br /> Vice President <br /> Co un Ranae Qf°L r <br /> 1,4-Dichlorobenzene 37.3 to 105.7 <br /> n-Nitroso-di-n-Proylamine 13.6 to 1979 <br /> 1,2,4-Trichlorobenzene 57.3 to 129.2 <br /> Acenapthene 60.1 to 1322 <br /> Pyrene 69.6 to 100.0 <br /> Pentachlorophenol 38.1 to 151.8 <br /> 4-Chloro-3-Methylphenol 40.8 to 127.9 <br /> 2-Chlorophenol 36.2 to 1204 <br /> Phenol 16.6 to 1000 <br />