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GHi �-i TECh ENTERPRiSES� 1ter`
<br /> 4G REE -fMED
<br /> 21 February 2003
<br /> To: Mr. Ajay S. Ranchhod FEB 2 4 2003
<br /> 4225 E. Hammer Lane ENVh uiU!,;E°dT HEALTH
<br /> Stockton, CA 95212 PERP;IIT/SER`JICES
<br /> (209) 570-2258 Cell Phone
<br /> From: Edward W. Finucane, PE, QEP, CSP, CIH
<br /> Subject: Report#030203-L,concerning the measured levels of ambient air and surface contamina-
<br /> tion that remain in the two structures located at:
<br /> 18019 So. Manthey Road 18043 So. Manthey Road
<br /> Lathrop, CA 95330 Lathrop, CA 95330
<br /> This on-site evaluation of these two units was completed at 12:15 PM, on Thursday, 20
<br /> February 2003.
<br /> The above referenced pair of homes was raided by Narcotics Officers who believed at the time of their
<br /> action (5 February 2003) that these units were functioning as "Drug Labs," most probably for the
<br /> manufacture of methamphetamines or"Crank." Because of the nature and the inherent dangers asso-
<br /> ciated with clandestine drug manufacturing, and because a number of toxic chemicals are routinely used
<br /> during these types of operations, concern remained about the possibility that hazardous and/or toxic
<br /> residues might still exist at either or both of these locations.
<br /> On the morning of Thursday, 20 February 2003, I monitored the ambient air in all the rooms of these
<br /> two homes. In completing this monitoring task, I used a pair of analytical instruments that had been
<br /> calibration checked on Wednesday afternoon, 19 February 2003. These two instruments are capable of
<br /> detecting and quantifying low concentration levels (0.01 —0.10 ppm) of all the volatile solvents com-
<br /> monly used in the manufacture of illicit drugs. In order, I monitored for: (1) acetone, (2) dichloro-
<br /> methane, (3) isopropanol, (4) methanol, (5) toluene, (6) 1,1,1-trichloroethane, and finally, (7)chloro-
<br /> form. I was able to determine that every area in both of these structures was clear of hazardous or toxic
<br /> levels of the vapors of each of these seven chemicals.
<br /> In addition, I checked this two units' most likely work surfaces, chemicals disposal locations, and the
<br /> white powder on the carpets at the 18019 So. Manthey Road unit. In these checks, I looked for signs
<br /> of acidic or alkaline residues. None of the areas I checked showed any evidence of these types of resi-
<br /> dues, or of any other type of toxic contamination (the white powder referenced above appeared to be
<br /> soap powder). It is my judgment that the interior portions of both of these houses pose no toxic hazard
<br /> of any type to anyone who would be required to be in any part of either of them.
<br /> Should you have any questions on any of the conclusions of this report, please do not hesitate to con-
<br /> tact me. Thank you very much for permitting me to be e to you in this matter.
<br /> Sincerely, 00ESS/,O,V4.Ph C
<br /> No. 13749 ti
<br /> : 12-31-
<br /> Edward W. Finucane,PE, QEP, CSP, CIH Ex* p 03
<br /> EWF:gwf s�F� GP P* EDWARD W FfNUCANE`
<br /> r9 HAND ��� �' 9517 OIVI
<br /> xc: Alan Biedermann, R. E. H. S. OFCA10 `X%
<br /> San Joaquin County Environmental Health Depa �������++�++++rrr,,, �;c<}yRI
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<br /> Matt Browne C. C. E. O. \��.�`� pFtD OF
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<br /> City of Lathrop .GpRPO;q�.
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<br /> Telephone: ''i, /9R0.. .
<br /> (209) 473 1113 rax: (209) 4725-1114 ��rn ��'� ceBox7535
<br /> (500) 221-9595 http://wwtiv.hi tech ent.com S*ockton,CA95267-0::35
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