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Feb 24 2003 2: 32PM City of Lathrop 1 (2,09) 858-5259 p• 2
<br /> 1G�t
<br /> TF-ch ENTERPRISES
<br /> 21-February 2.003.
<br /> To: Mr. Ajay S. Ranclihod
<br /> 4225 E. Hammer Lane
<br /> Stockton,CA 95212
<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 45330
<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 tirne of their
<br /> action (5 February 2003)that these ututs.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 2003,1 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 location,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 a to you in this matter.
<br /> Sincerely,
<br /> N8 C S A
<br /> li20clr( & A:Ve�`� 4��No, 13749 rn
<br /> 12-31.03
<br /> Edward W.Finucane, PE, QEP,CS,P, CIH ,k * --
<br /> EWF:gwf �� FcH a��G `� Tv EDWARD W1NU_CANE
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<br /> xc: Alan Biedermann,R. E. H.S. opt �•� l�9 ���. ?,
<br /> San Joaquin County Environmental Health De ,�a��'""""rrrr,, •. lj, T I Sc��;
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<br /> Matt Browne,C. C. E. O. ° �O�RP... ZG.,�'�.
<br /> City of Lathrop
<br /> R E ERT No.
<br /> GEIVED Mat 3743
<br /> TcicPhonc: a , i 3-1114 1;` I `:e oox 7535
<br /> (205) 473-1113 C"Q aL47"n AD�r
<br /> �JUrN
<br /> (800) 221-95.95 http://www.hi-tech-en;,com �tOGktOn,CA95267-0835
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