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October 24, 2025 <br />CLab No. : STK2555289 <br />Cintas Stockton 922 <br />Customer No. :3015626 <br />Section: Quality Control <br />Page 4 of 6 <br />Corporate Offices & Laboratory Office & Laboratory Office & Laboratory <br />853 Corporation Street 2500 Stagecoach Road 563 E. Undo Avenue <br />Santa Paula, CA 93060 Stockton, CA 95215 Chico, CA 95926 <br />TEL: (805)392-2000 TEL: (209)942-0182 TEL: (530)343-5818 <br />CA ELAP Certification No. 1573 CA ELAP Certification No. 1563 CA ELAP Certification No. 2670 <br />Office & Laboratory <br />3442 Empresa Drive, Suite D <br />San Luis Obispo, CA 93401 <br />TEL: (805)783-2940 <br />CA ELAP Certification No. 2775 <br />Page 4 of 6 <br />435 <br />435 <br />430 <br />Office & Laboratory <br />9411 W. Goshen Avenue <br />Visalia, CA 93291 <br />TEL: (559)734-9473 <br />CA ELAP Certification No. 2810 <br />Quality Control - Metals <br />Constituent <br />Method <br />Date/Il) <br />Type <br />®��. <br />X11 <br />Metals <br />Antimony <br />3050 <br />10/19/2025:211639AC <br />Blank <br />mg/kg <br />ND <br /><0.5 <br />LCS <br />mg/kg <br />24.00 <br />97.7% <br />85-115 <br />MS <br />mg/kg <br />24.00 <br />102% <br />75-125 <br />(SP 2516460-003) <br />MSD <br />mg/kg <br />24.00 <br />81.8% <br />75-125 <br />MSRPD <br />mg/kg <br />23.2% <br />:520 <br />PDS <br />mg/kg <br />24.00 <br />83.3% <br />75-125 <br />Arsenic <br />3050 <br />10/19/2025:211639AC <br />Blank <br />mg/kg <br />ND <br /><4 <br />LCS <br />mg/kg <br />40.00 <br />102% <br />85-115 <br />MS <br />mg/kg <br />40.00 <br />105% <br />75-125 <br />(SP 2516460-003) <br />MSD <br />mg/kg <br />40.00 <br />109% <br />75-125 <br />MSRPD <br />mg/kg <br />3.9% <br />:520 <br />PDS <br />mg/kg <br />40.00 <br />109% <br />75-125 <br />Barium <br />3050 <br />10/19/2025:211639AC <br />Blank <br />mg/kg <br />ND <br /><1 <br />LCS <br />mg/kg <br />40.00 <br />104% <br />85-115 <br />MS <br />mg/kg <br />40.00 <br />143% <br />75-125 <br />(SP 2516460-003) <br />MSD <br />mg/kg <br />40.00 <br />110% <br />75-125 <br />MSRPD <br />mg/kg <br />6.6% <br /><_20 <br />PDS <br />mg/kg <br />40.00 <br />131% <br />75-125 <br />Beryllium <br />3050 <br />10/19/2025:211639AC <br />Blank <br />mg/kg <br />ND <br /><0.6 <br />LCS <br />mg/kg <br />40.00 <br />105% <br />85-115 <br />MS <br />mg/kg <br />40.00 <br />115% <br />75-125 <br />(SP 2516460-003) <br />MSD <br />mg/kg <br />40.00 <br />107% <br />75-125 <br />MSRPD <br />mg/kg <br />6.9% <br />:520 <br />PDS <br />mg/kg <br />40.00 <br />112% <br />75-125 <br />Cadmium <br />3050 <br />10/19/2025:211639AC <br />Blank <br />mg/kg <br />ND <br /><0.3 <br />LCS <br />mg/kg <br />40.00 <br />106% <br />85-115 <br />MS <br />mg/kg <br />40.00 <br />110% <br />75-125 <br />(SP 2516460-003) <br />MSD <br />mg/kg <br />40.00 <br />104% <br />75-125 <br />MSRPD <br />mg/kg <br />5.5% <br />1520 <br />PDS <br />mg/kg <br />40.00 <br />108% <br />75-125 <br />Chromium <br />3050 <br />10/19/2025:211639AC <br />Blank <br />mg/kg <br />ND <br /><0.5 <br />LCS <br />mg/kg <br />40.00 <br />103% <br />85-115 <br />MS <br />mg/kg <br />40.00 <br />106% <br />75-125 <br />(SP 2516460-003) <br />MSD <br />mg/kg <br />40.00 <br />102% <br />75-125 <br />MSRPD <br />mg/kg <br />3.4% <br />:s20 <br />PDS <br />mg/kg <br />40.00 <br />105% <br />75-125 <br />Cobalt <br />3050 <br />10/19/2025:211639AC <br />Blank <br />mg/kg <br />ND <br /><0.3 <br />LCS <br />mg/kg <br />40.00 <br />104% <br />85-115 <br />MS <br />mg/kg <br />40.00 <br />109% <br />75-125 <br />(SP 2516460-003) <br />MSD <br />mg/kg <br />40.00 <br />102% <br />75-125 <br />MSRPD <br />mg/kg <br />6.8% <br />:520 <br />PDS <br />mg/kg <br />40.00 <br />108% <br />75-125 <br />_ <br />Copper <br />3050 <br />10/19/2025:211639AC <br />Blank <br />mg/kg <br />ND <br /><0.5 <br />LCS <br />mg/kg <br />40.00 <br />101% <br />85-115 <br />MS <br />mg/kg <br />40.00 <br />115% <br />75-125 <br />(SP 2516460-003) <br />MSD <br />mg/kg <br />40.00 <br />104% <br />75-125 <br />Section: Quality Control <br />Page 4 of 6 <br />Corporate Offices & Laboratory Office & Laboratory Office & Laboratory <br />853 Corporation Street 2500 Stagecoach Road 563 E. Undo Avenue <br />Santa Paula, CA 93060 Stockton, CA 95215 Chico, CA 95926 <br />TEL: (805)392-2000 TEL: (209)942-0182 TEL: (530)343-5818 <br />CA ELAP Certification No. 1573 CA ELAP Certification No. 1563 CA ELAP Certification No. 2670 <br />Office & Laboratory <br />3442 Empresa Drive, Suite D <br />San Luis Obispo, CA 93401 <br />TEL: (805)783-2940 <br />CA ELAP Certification No. 2775 <br />Page 4 of 6 <br />435 <br />435 <br />430 <br />Office & Laboratory <br />9411 W. Goshen Avenue <br />Visalia, CA 93291 <br />TEL: (559)734-9473 <br />CA ELAP Certification No. 2810 <br />