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Technician II Chemical

Company name
Asarco Inc.

Kearny, AZ

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Chemical Technician II

Reports to: Chief Chemist/Lab Supervisor


Collect, prepare, and analyze samples from all areas in Ray Operations. Record and report results to the appropriate departments. Assist Metallurgical Engineer and Chief Chemist in the coordination of activities concerning metallurgical process control and metallurgical testing to ensure the optimum efficiency of the operation via the Ray Mine Lab. Plus, be able to perform the duties and tasks within the Specialty Lab completely.

Essential Functions and Responsibilities

A. Prepare mine, concentrator, and SX-Ew samples for assay using crushers, splitters, pulverizers, and associated equipment.

B. Operate the quality control lab bar code system to enter samples into the system.

C. Perform wet analysis of the samples using the following equipment: Precision Balance, Atomic Absorption Spectrometer, pH Meters, X-ray Fluorescence Spectrometer, and other analytical equipment.

D. Maintain the quality of the assay results produced in the Quality Control Lab.

E. Promote and maintain safety and good housekeeping in the laboratory area.

F. Ensure that work practices comply with Company, Local, State, and Federal Safety and Environmental Standards and policies.

G. Interact with workforce and Human Resources, Purchasing, Accounting, etc. to ensure compliance with established company policies.

H. Be fully competent within LIMS and deriving assays from the lab system.

I. Have full and complete knowledge of the Specialty Lab in the capacity of filling in for the Chemist I.


Able to interact with operations personnel in regard to sample analysis and applications to the Ray Mine system.


A. Thorough knowledge of the Atomic Absorption Spectrophotometer (FAA).

B. Thorough knowledge of the Teledyn DC ARC spectrograph

C. Thorough Knowledge of the LECO sulfur analyzer

D. SX/EW solutions including the organic solutions

E. Thorough knowledge of the Panalytical XRF PW 2606


Complete understanding of the Ray Metlab data entry system, Specialty Lab equipment: AAS, Optical Emission Spectrograph, Organics, Titrametrics, LECO analyzer.


Requesting 5 years of mining lab experience, with some college courses in a science discipline.


Must wear safety PPE, not limited to ear plugs/muffs, respirator, etc.


Able to lift 50 lbs., mine sample preparation

A core value of ASARCO LLC is “Safety First.” The Company is committed to help employees continuously improve their efforts to work in the most safe, inclusive, socially and environmentally responsible manner practicable. Employee safety and health, both on and off the job, are critically important to the Company. Therefore, ASARCO LLC requires employees to have and effectively demonstrate good working knowledge of modern safety systems. Each employee will take prime responsibility for ensuring that s/he works within all required safety procedures and processes.

ASARCO LLC is an equal opportunity employer. Candidates must possess a current and valid driver’s license. Offers of employment are contingent upon a successful criminal background check and pre-employment physical including a drug screen (hair analysis).

ASARCO LLC offers an excellent low cost benefits package for medical/prescription/ dental/vision, disability coverage, life insurance and other optional coverage, and 401(k) plan with company match.

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Asarco Inc.
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