Pesticide Technology Laboratories, Inc.
(A.P.T. Labs, Inc.) was formally known as
A & S Environmental Testing, Inc.. The
company was established in August, 1986
offering both inorganic and organic analyses,
specializing in pesticide residue analysis.
In February, 1995 the company changed it's
name to APT Labs, Inc. and moved into it's
new facility in Wyomissing, PA. (a suburb
of Reading, PA.).